diff --git a/programs/aes/aescrypt2.c b/programs/aes/aescrypt2.c
index be832e012..9e41c5984 100644
--- a/programs/aes/aescrypt2.c
+++ b/programs/aes/aescrypt2.c
@@ -65,10 +65,8 @@
 
 #if !defined(POLARSSL_AES_C) || !defined(POLARSSL_SHA256_C) ||\
     !defined(POLARSSL_FS_IO)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
     polarssl_printf("POLARSSL_AES_C and/or POLARSSL_SHA256_C and/or POLARSSL_FS_IO not defined.\n");
     return( 0 );
 }
diff --git a/programs/aes/crypt_and_hash.c b/programs/aes/crypt_and_hash.c
index 67b5f2b6b..85a144b75 100644
--- a/programs/aes/crypt_and_hash.c
+++ b/programs/aes/crypt_and_hash.c
@@ -66,11 +66,8 @@
 
 #if !defined(POLARSSL_CIPHER_C) || !defined(POLARSSL_MD_C) ||\
     !defined(POLARSSL_FS_IO)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_CIPHER_C and/or POLARSSL_MD_C and/or POLARSSL_FS_IO not defined.\n");
     return( 0 );
 }
diff --git a/programs/hash/generic_sum.c b/programs/hash/generic_sum.c
index 9183874d9..a49dbb7bf 100644
--- a/programs/hash/generic_sum.c
+++ b/programs/hash/generic_sum.c
@@ -42,11 +42,8 @@
 #endif
 
 #if !defined(POLARSSL_MD_C) || !defined(POLARSSL_FS_IO)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_MD_C and/or POLARSSL_FS_IO not defined.\n");
     return( 0 );
 }
diff --git a/programs/hash/hello.c b/programs/hash/hello.c
index 384ade1c4..c77411058 100644
--- a/programs/hash/hello.c
+++ b/programs/hash/hello.c
@@ -38,24 +38,18 @@
 #endif
 
 #if !defined(POLARSSL_MD5_C)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_MD5_C not defined.\n");
     return( 0 );
 }
 #else
-int main( int argc, char *argv[] )
+int main( void )
 {
     int i;
     unsigned char digest[16];
     char str[] = "Hello, world!";
 
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf( "\n  MD5('%s') = ", str );
 
     md5( (unsigned char *) str, 13, digest );
diff --git a/programs/hash/md5sum.c b/programs/hash/md5sum.c
index 318fb77e8..afe345455 100644
--- a/programs/hash/md5sum.c
+++ b/programs/hash/md5sum.c
@@ -42,11 +42,8 @@
 #endif
 
 #if !defined(POLARSSL_MD5_C) || !defined(POLARSSL_FS_IO)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_MD5_C and/or POLARSSL_FS_IO not defined.\n");
     return( 0 );
 }
diff --git a/programs/hash/sha1sum.c b/programs/hash/sha1sum.c
index 1e247d8b1..8dc4e086e 100644
--- a/programs/hash/sha1sum.c
+++ b/programs/hash/sha1sum.c
@@ -42,11 +42,8 @@
 #endif
 
 #if !defined(POLARSSL_SHA1_C) || !defined(POLARSSL_FS_IO)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_SHA1_C and/or POLARSSL_FS_IO not defined.\n");
     return( 0 );
 }
diff --git a/programs/hash/sha2sum.c b/programs/hash/sha2sum.c
index a9c569896..268d170b0 100644
--- a/programs/hash/sha2sum.c
+++ b/programs/hash/sha2sum.c
@@ -42,11 +42,8 @@
 #endif
 
 #if !defined(POLARSSL_SHA256_C) || !defined(POLARSSL_FS_IO)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_SHA256_C and/or POLARSSL_FS_IO not defined.\n");
     return( 0 );
 }
diff --git a/programs/pkey/dh_client.c b/programs/pkey/dh_client.c
index 5c8470d44..a29da4b03 100644
--- a/programs/pkey/dh_client.c
+++ b/programs/pkey/dh_client.c
@@ -56,11 +56,8 @@
     !defined(POLARSSL_ENTROPY_C) || !defined(POLARSSL_NET_C) ||  \
     !defined(POLARSSL_RSA_C) || !defined(POLARSSL_SHA256_C) ||    \
     !defined(POLARSSL_FS_IO) || !defined(POLARSSL_CTR_DRBG_C)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_AES_C and/or POLARSSL_DHM_C and/or POLARSSL_ENTROPY_C "
            "and/or POLARSSL_NET_C and/or POLARSSL_RSA_C and/or "
            "POLARSSL_SHA256_C and/or POLARSSL_FS_IO and/or "
@@ -68,7 +65,7 @@ int main( int argc, char *argv[] )
     return( 0 );
 }
 #else
-int main( int argc, char *argv[] )
+int main( void )
 {
     FILE *f;
 
@@ -87,9 +84,6 @@ int main( int argc, char *argv[] )
     dhm_context dhm;
     aes_context aes;
 
-    ((void) argc);
-    ((void) argv);
-
     memset( &rsa, 0, sizeof( rsa ) );
     dhm_init( &dhm );
     aes_init( &aes );
diff --git a/programs/pkey/dh_genprime.c b/programs/pkey/dh_genprime.c
index 6e0d01845..a3d574c76 100644
--- a/programs/pkey/dh_genprime.c
+++ b/programs/pkey/dh_genprime.c
@@ -54,18 +54,15 @@
 #if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_ENTROPY_C) ||   \
     !defined(POLARSSL_FS_IO) || !defined(POLARSSL_CTR_DRBG_C) ||     \
     !defined(POLARSSL_GENPRIME)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_BIGNUM_C and/or POLARSSL_ENTROPY_C and/or "
            "POLARSSL_FS_IO and/or POLARSSL_CTR_DRBG_C and/or "
            "POLARSSL_GENPRIME not defined.\n");
     return( 0 );
 }
 #else
-int main( int argc, char *argv[] )
+int main( void )
 {
     int ret = 1;
     mpi G, P, Q;
@@ -74,9 +71,6 @@ int main( int argc, char *argv[] )
     const char *pers = "dh_genprime";
     FILE *fout;
 
-    ((void) argc);
-    ((void) argv);
-
     mpi_init( &G ); mpi_init( &P ); mpi_init( &Q );
     entropy_init( &entropy );
 
diff --git a/programs/pkey/dh_server.c b/programs/pkey/dh_server.c
index 7ccb818f2..197e4f2d0 100644
--- a/programs/pkey/dh_server.c
+++ b/programs/pkey/dh_server.c
@@ -56,11 +56,8 @@
     !defined(POLARSSL_ENTROPY_C) || !defined(POLARSSL_NET_C) ||  \
     !defined(POLARSSL_RSA_C) || !defined(POLARSSL_SHA256_C) ||    \
     !defined(POLARSSL_FS_IO) || !defined(POLARSSL_CTR_DRBG_C)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_AES_C and/or POLARSSL_DHM_C and/or POLARSSL_ENTROPY_C "
            "and/or POLARSSL_NET_C and/or POLARSSL_RSA_C and/or "
            "POLARSSL_SHA256_C and/or POLARSSL_FS_IO and/or "
@@ -68,7 +65,7 @@ int main( int argc, char *argv[] )
     return( 0 );
 }
 #else
-int main( int argc, char *argv[] )
+int main( void )
 {
     FILE *f;
 
@@ -88,9 +85,6 @@ int main( int argc, char *argv[] )
     dhm_context dhm;
     aes_context aes;
 
-    ((void) argc);
-    ((void) argv);
-
     memset( &rsa, 0, sizeof( rsa ) );
     dhm_init( &dhm );
     aes_init( &aes );
diff --git a/programs/pkey/ecdsa.c b/programs/pkey/ecdsa.c
index 8eaed553a..ecbe15a19 100644
--- a/programs/pkey/ecdsa.c
+++ b/programs/pkey/ecdsa.c
@@ -58,11 +58,8 @@
 
 #if !defined(POLARSSL_ECDSA_C) || \
     !defined(POLARSSL_ENTROPY_C) || !defined(POLARSSL_CTR_DRBG_C)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_ECDSA_C and/or "
            "POLARSSL_ENTROPY_C and/or POLARSSL_CTR_DRBG_C not defined\n");
     return( 0 );
diff --git a/programs/pkey/gen_key.c b/programs/pkey/gen_key.c
index b3531ff17..d047d71ce 100644
--- a/programs/pkey/gen_key.c
+++ b/programs/pkey/gen_key.c
@@ -123,11 +123,8 @@ int dev_random_entropy_poll( void *data, unsigned char *output,
 
 #if !defined(POLARSSL_PK_WRITE_C) || !defined(POLARSSL_FS_IO) ||    \
     !defined(POLARSSL_ENTROPY_C) || !defined(POLARSSL_CTR_DRBG_C)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf( "POLARSSL_PK_WRITE_C and/or POLARSSL_FS_IO and/or "
             "POLARSSL_ENTROPY_C and/or POLARSSL_CTR_DRBG_C "
             "not defined.\n" );
diff --git a/programs/pkey/key_app.c b/programs/pkey/key_app.c
index f89f436ca..7c01caf4e 100644
--- a/programs/pkey/key_app.c
+++ b/programs/pkey/key_app.c
@@ -64,11 +64,8 @@
 
 #if !defined(POLARSSL_BIGNUM_C) ||                                  \
     !defined(POLARSSL_PK_PARSE_C) || !defined(POLARSSL_FS_IO)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_BIGNUM_C and/or "
            "POLARSSL_PK_PARSE_C and/or POLARSSL_FS_IO not defined.\n");
     return( 0 );
diff --git a/programs/pkey/key_app_writer.c b/programs/pkey/key_app_writer.c
index 8fcd63185..ddd5e19ff 100644
--- a/programs/pkey/key_app_writer.c
+++ b/programs/pkey/key_app_writer.c
@@ -86,11 +86,8 @@
     "\n"
  
 #if !defined(POLARSSL_PK_WRITE_C) || !defined(POLARSSL_FS_IO)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf( "POLARSSL_PK_WRITE_C and/or POLARSSL_FS_IO not defined.\n" );
     return( 0 );
 }
diff --git a/programs/pkey/mpi_demo.c b/programs/pkey/mpi_demo.c
index a6d11987a..3b7c08572 100644
--- a/programs/pkey/mpi_demo.c
+++ b/programs/pkey/mpi_demo.c
@@ -40,22 +40,16 @@
 #endif
 
 #if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_FS_IO)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_BIGNUM_C and/or POLARSSL_FS_IO not defined.\n");
     return( 0 );
 }
 #else
-int main( int argc, char *argv[] )
+int main( void )
 {
     mpi E, P, Q, N, H, D, X, Y, Z;
 
-    ((void) argc);
-    ((void) argv);
-
     mpi_init( &E ); mpi_init( &P ); mpi_init( &Q ); mpi_init( &N );
     mpi_init( &H ); mpi_init( &D ); mpi_init( &X ); mpi_init( &Y );
     mpi_init( &Z );
diff --git a/programs/pkey/pk_decrypt.c b/programs/pkey/pk_decrypt.c
index f2f8e59be..c53e7ef34 100644
--- a/programs/pkey/pk_decrypt.c
+++ b/programs/pkey/pk_decrypt.c
@@ -49,11 +49,8 @@
 #if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_PK_PARSE_C) ||  \
     !defined(POLARSSL_FS_IO) || !defined(POLARSSL_ENTROPY_C) || \
     !defined(POLARSSL_CTR_DRBG_C)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_BIGNUM_C and/or POLARSSL_PK_PARSE_C and/or "
            "POLARSSL_FS_IO and/or POLARSSL_ENTROPY_C and/or "
            "POLARSSL_CTR_DRBG_C not defined.\n");
diff --git a/programs/pkey/pk_encrypt.c b/programs/pkey/pk_encrypt.c
index 5e4276268..115334341 100644
--- a/programs/pkey/pk_encrypt.c
+++ b/programs/pkey/pk_encrypt.c
@@ -49,11 +49,8 @@
 #if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_PK_PARSE_C) ||  \
     !defined(POLARSSL_ENTROPY_C) || !defined(POLARSSL_FS_IO) || \
     !defined(POLARSSL_CTR_DRBG_C)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_BIGNUM_C and/or POLARSSL_PK_PARSE_C and/or "
            "POLARSSL_ENTROPY_C and/or POLARSSL_FS_IO and/or "
            "POLARSSL_CTR_DRBG_C not defined.\n");
diff --git a/programs/pkey/pk_sign.c b/programs/pkey/pk_sign.c
index c11bc3a01..021d154f4 100644
--- a/programs/pkey/pk_sign.c
+++ b/programs/pkey/pk_sign.c
@@ -56,11 +56,8 @@
     !defined(POLARSSL_SHA256_C) ||                                    \
     !defined(POLARSSL_PK_PARSE_C) || !defined(POLARSSL_FS_IO) ||    \
     !defined(POLARSSL_CTR_DRBG_C)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_BIGNUM_C and/or POLARSSL_ENTROPY_C and/or "
            "POLARSSL_SHA256_C and/or "
            "POLARSSL_PK_PARSE_C and/or POLARSSL_FS_IO and/or "
diff --git a/programs/pkey/pk_verify.c b/programs/pkey/pk_verify.c
index bed3261cc..1bfb66f1c 100644
--- a/programs/pkey/pk_verify.c
+++ b/programs/pkey/pk_verify.c
@@ -52,11 +52,8 @@
 #if !defined(POLARSSL_BIGNUM_C) ||                                  \
     !defined(POLARSSL_SHA256_C) || !defined(POLARSSL_PK_PARSE_C) ||   \
     !defined(POLARSSL_FS_IO)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_BIGNUM_C and/or "
            "POLARSSL_SHA256_C and/or POLARSSL_PK_PARSE_C and/or "
            "POLARSSL_FS_IO not defined.\n");
diff --git a/programs/pkey/rsa_decrypt.c b/programs/pkey/rsa_decrypt.c
index 084619c6d..e7606929b 100644
--- a/programs/pkey/rsa_decrypt.c
+++ b/programs/pkey/rsa_decrypt.c
@@ -47,11 +47,8 @@
 #if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_RSA_C) ||  \
     !defined(POLARSSL_FS_IO) || !defined(POLARSSL_ENTROPY_C) || \
     !defined(POLARSSL_CTR_DRBG_C)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_BIGNUM_C and/or POLARSSL_RSA_C and/or "
            "POLARSSL_FS_IO and/or POLARSSL_ENTROPY_C and/or "
            "POLARSSL_CTR_DRBG_C not defined.\n");
diff --git a/programs/pkey/rsa_encrypt.c b/programs/pkey/rsa_encrypt.c
index 2f88209d7..afef96dc4 100644
--- a/programs/pkey/rsa_encrypt.c
+++ b/programs/pkey/rsa_encrypt.c
@@ -48,11 +48,8 @@
 #if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_RSA_C) ||  \
     !defined(POLARSSL_ENTROPY_C) || !defined(POLARSSL_FS_IO) || \
     !defined(POLARSSL_CTR_DRBG_C)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_BIGNUM_C and/or POLARSSL_RSA_C and/or "
            "POLARSSL_ENTROPY_C and/or POLARSSL_FS_IO and/or "
            "POLARSSL_CTR_DRBG_C not defined.\n");
diff --git a/programs/pkey/rsa_genkey.c b/programs/pkey/rsa_genkey.c
index 5741d4663..d38545922 100644
--- a/programs/pkey/rsa_genkey.c
+++ b/programs/pkey/rsa_genkey.c
@@ -52,18 +52,15 @@
 #if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_ENTROPY_C) ||   \
     !defined(POLARSSL_RSA_C) || !defined(POLARSSL_GENPRIME) ||      \
     !defined(POLARSSL_FS_IO) || !defined(POLARSSL_CTR_DRBG_C)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_BIGNUM_C and/or POLARSSL_ENTROPY_C and/or "
            "POLARSSL_RSA_C and/or POLARSSL_GENPRIME and/or "
            "POLARSSL_FS_IO and/or POLARSSL_CTR_DRBG_C not defined.\n");
     return( 0 );
 }
 #else
-int main( int argc, char *argv[] )
+int main( void )
 {
     int ret;
     rsa_context rsa;
@@ -73,9 +70,6 @@ int main( int argc, char *argv[] )
     FILE *fpriv = NULL;
     const char *pers = "rsa_genkey";
 
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf( "\n  . Seeding the random number generator..." );
     fflush( stdout );
 
diff --git a/programs/pkey/rsa_sign.c b/programs/pkey/rsa_sign.c
index 685db517e..0693a36f5 100644
--- a/programs/pkey/rsa_sign.c
+++ b/programs/pkey/rsa_sign.c
@@ -45,11 +45,8 @@
 
 #if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_RSA_C) ||  \
     !defined(POLARSSL_SHA256_C) || !defined(POLARSSL_FS_IO)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_BIGNUM_C and/or POLARSSL_RSA_C and/or "
            "POLARSSL_SHA256_C and/or POLARSSL_FS_IO not defined.\n");
     return( 0 );
diff --git a/programs/pkey/rsa_sign_pss.c b/programs/pkey/rsa_sign_pss.c
index 3d84b6939..45b7364cf 100644
--- a/programs/pkey/rsa_sign_pss.c
+++ b/programs/pkey/rsa_sign_pss.c
@@ -56,11 +56,8 @@
     !defined(POLARSSL_RSA_C) || !defined(POLARSSL_SHA256_C) ||        \
     !defined(POLARSSL_PK_PARSE_C) || !defined(POLARSSL_FS_IO) ||    \
     !defined(POLARSSL_CTR_DRBG_C)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_BIGNUM_C and/or POLARSSL_ENTROPY_C and/or "
            "POLARSSL_RSA_C and/or POLARSSL_SHA256_C and/or "
            "POLARSSL_PK_PARSE_C and/or POLARSSL_FS_IO and/or "
diff --git a/programs/pkey/rsa_verify.c b/programs/pkey/rsa_verify.c
index 7d9445149..c43fc305f 100644
--- a/programs/pkey/rsa_verify.c
+++ b/programs/pkey/rsa_verify.c
@@ -44,11 +44,8 @@
 
 #if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_RSA_C) ||  \
     !defined(POLARSSL_SHA256_C) || !defined(POLARSSL_FS_IO)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_BIGNUM_C and/or POLARSSL_RSA_C and/or "
            "POLARSSL_SHA256_C and/or POLARSSL_FS_IO not defined.\n");
     return( 0 );
diff --git a/programs/pkey/rsa_verify_pss.c b/programs/pkey/rsa_verify_pss.c
index 5af230ddb..c313512c8 100644
--- a/programs/pkey/rsa_verify_pss.c
+++ b/programs/pkey/rsa_verify_pss.c
@@ -53,11 +53,8 @@
 #if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_RSA_C) ||      \
     !defined(POLARSSL_SHA256_C) || !defined(POLARSSL_PK_PARSE_C) ||   \
     !defined(POLARSSL_FS_IO)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_BIGNUM_C and/or POLARSSL_RSA_C and/or "
            "POLARSSL_SHA256_C and/or POLARSSL_PK_PARSE_C and/or "
            "POLARSSL_FS_IO not defined.\n");
diff --git a/programs/random/gen_entropy.c b/programs/random/gen_entropy.c
index 3de168091..54baa18b7 100644
--- a/programs/random/gen_entropy.c
+++ b/programs/random/gen_entropy.c
@@ -41,11 +41,8 @@
 #endif
 
 #if !defined(POLARSSL_ENTROPY_C) || !defined(POLARSSL_FS_IO)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_ENTROPY_C and/or POLARSSL_FS_IO not defined.\n");
     return( 0 );
 }
diff --git a/programs/random/gen_random_ctr_drbg.c b/programs/random/gen_random_ctr_drbg.c
index 58d7368ad..acd0778de 100644
--- a/programs/random/gen_random_ctr_drbg.c
+++ b/programs/random/gen_random_ctr_drbg.c
@@ -44,11 +44,8 @@
 
 #if !defined(POLARSSL_CTR_DRBG_C) || !defined(POLARSSL_ENTROPY_C) ||\
  !defined(POLARSSL_FS_IO)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_CTR_DRBG_C and/or POLARSSL_ENTROPY_C and/or POLARSSL_FS_IO not defined.\n");
     return( 0 );
 }
diff --git a/programs/random/gen_random_havege.c b/programs/random/gen_random_havege.c
index 946d33414..0f5800c36 100644
--- a/programs/random/gen_random_havege.c
+++ b/programs/random/gen_random_havege.c
@@ -42,11 +42,8 @@
 #endif
 
 #if !defined(POLARSSL_HAVEGE_C) || !defined(POLARSSL_FS_IO)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_HAVEGE_C not defined.\n");
     return( 0 );
 }
diff --git a/programs/ssl/ssl_client1.c b/programs/ssl/ssl_client1.c
index 36be15f6c..bbb841091 100644
--- a/programs/ssl/ssl_client1.c
+++ b/programs/ssl/ssl_client1.c
@@ -60,11 +60,8 @@
     !defined(POLARSSL_SSL_TLS_C) || !defined(POLARSSL_SSL_CLI_C) || \
     !defined(POLARSSL_NET_C) || !defined(POLARSSL_RSA_C) ||         \
     !defined(POLARSSL_CTR_DRBG_C) || !defined(POLARSSL_X509_CRT_PARSE_C)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_BIGNUM_C and/or POLARSSL_ENTROPY_C and/or "
            "POLARSSL_SSL_TLS_C and/or POLARSSL_SSL_CLI_C and/or "
            "POLARSSL_NET_C and/or POLARSSL_RSA_C and/or "
@@ -81,7 +78,7 @@ static void my_debug( void *ctx, int level, const char *str )
     fflush(  (FILE *) ctx  );
 }
 
-int main( int argc, char *argv[] )
+int main( void )
 {
     int ret, len, server_fd = -1;
     unsigned char buf[1024];
@@ -92,9 +89,6 @@ int main( int argc, char *argv[] )
     ssl_context ssl;
     x509_crt cacert;
 
-    ((void) argc);
-    ((void) argv);
-
 #if defined(POLARSSL_DEBUG_C)
     debug_set_threshold( DEBUG_LEVEL );
 #endif
diff --git a/programs/ssl/ssl_client2.c b/programs/ssl/ssl_client2.c
index 4243ccafb..32a55b62b 100644
--- a/programs/ssl/ssl_client2.c
+++ b/programs/ssl/ssl_client2.c
@@ -97,147 +97,6 @@
 #define GET_REQUEST "GET %s HTTP/1.0\r\nExtra-header: "
 #define GET_REQUEST_END "\r\n\r\n"
 
-#if !defined(POLARSSL_ENTROPY_C) ||  !defined(POLARSSL_FS_IO) || \
-    !defined(POLARSSL_SSL_TLS_C) || !defined(POLARSSL_SSL_CLI_C) || \
-    !defined(POLARSSL_NET_C) || !defined(POLARSSL_CTR_DRBG_C)
-int main( int argc, char *argv[] )
-{
-    ((void) argc);
-    ((void) argv);
-
-    polarssl_printf("POLARSSL_ENTROPY_C and/or "
-           "POLARSSL_SSL_TLS_C and/or POLARSSL_SSL_CLI_C and/or "
-           "POLARSSL_NET_C and/or POLARSSL_CTR_DRBG_C not defined.\n");
-    return( 0 );
-}
-#else
-/*
- * global options
- */
-struct options
-{
-    const char *server_name;    /* hostname of the server (client only)     */
-    const char *server_addr;    /* address of the server (client only)      */
-    int server_port;            /* port on which the ssl service runs       */
-    int debug_level;            /* level of debugging                       */
-    int nbio;                   /* should I/O be blocking?                  */
-    const char *request_page;   /* page on server to request                */
-    int request_size;           /* pad request with header to requested size */
-    const char *ca_file;        /* the file with the CA certificate(s)      */
-    const char *ca_path;        /* the path with the CA certificate(s) reside */
-    const char *crt_file;       /* the file with the client certificate     */
-    const char *key_file;       /* the file with the client key             */
-    const char *psk;            /* the pre-shared key                       */
-    const char *psk_identity;   /* the pre-shared key identity              */
-    int force_ciphersuite[2];   /* protocol/ciphersuite to use, or all      */
-    int renegotiation;          /* enable / disable renegotiation           */
-    int allow_legacy;           /* allow legacy renegotiation               */
-    int renegotiate;            /* attempt renegotiation?                   */
-    int renego_delay;           /* delay before enforcing renegotiation     */
-    int exchanges;              /* number of data exchanges                 */
-    int min_version;            /* minimum protocol version accepted        */
-    int max_version;            /* maximum protocol version accepted        */
-    int arc4;                   /* flag for arc4 suites support             */
-    int auth_mode;              /* verify mode for connection               */
-    unsigned char mfl_code;     /* code for maximum fragment length         */
-    int trunc_hmac;             /* negotiate truncated hmac or not          */
-    int recsplit;               /* enable record splitting?                 */
-    int reconnect;              /* attempt to resume session                */
-    int reco_delay;             /* delay in seconds before resuming session */
-    int tickets;                /* enable / disable session tickets         */
-    const char *alpn_string;    /* ALPN supported protocols                 */
-    int fallback;               /* is this a fallback connection?           */
-    int extended_ms;            /* negotiate extended master secret?        */
-    int etm;                    /* negotiate encrypt then mac?              */
-} opt;
-
-static void my_debug( void *ctx, int level, const char *str )
-{
-    ((void) level);
-
-    polarssl_fprintf( (FILE *) ctx, "%s", str );
-    fflush(  (FILE *) ctx  );
-}
-
-/*
- * Test recv/send functions that make sure each try returns
- * WANT_READ/WANT_WRITE at least once before sucesseding
- */
-static int my_recv( void *ctx, unsigned char *buf, size_t len )
-{
-    static int first_try = 1;
-    int ret;
-
-    if( first_try )
-    {
-        first_try = 0;
-        return( POLARSSL_ERR_NET_WANT_READ );
-    }
-
-    ret = net_recv( ctx, buf, len );
-    if( ret != POLARSSL_ERR_NET_WANT_READ )
-        first_try = 1; /* Next call will be a new operation */
-    return( ret );
-}
-
-static int my_send( void *ctx, const unsigned char *buf, size_t len )
-{
-    static int first_try = 1;
-    int ret;
-
-    if( first_try )
-    {
-        first_try = 0;
-        return( POLARSSL_ERR_NET_WANT_WRITE );
-    }
-
-    ret = net_send( ctx, buf, len );
-    if( ret != POLARSSL_ERR_NET_WANT_WRITE )
-        first_try = 1; /* Next call will be a new operation */
-    return( ret );
-}
-
-#if defined(POLARSSL_X509_CRT_PARSE_C)
-/*
- * Enabled if debug_level > 1 in code below
- */
-static int my_verify( void *data, x509_crt *crt, int depth, int *flags )
-{
-    char buf[1024];
-    ((void) data);
-
-    polarssl_printf( "\nVerify requested for (Depth %d):\n", depth );
-    x509_crt_info( buf, sizeof( buf ) - 1, "", crt );
-    polarssl_printf( "%s", buf );
-
-    if( ( (*flags) & BADCERT_EXPIRED ) != 0 )
-        polarssl_printf( "  ! server certificate has expired\n" );
-
-    if( ( (*flags) & BADCERT_REVOKED ) != 0 )
-        polarssl_printf( "  ! server certificate has been revoked\n" );
-
-    if( ( (*flags) & BADCERT_CN_MISMATCH ) != 0 )
-        polarssl_printf( "  ! CN mismatch\n" );
-
-    if( ( (*flags) & BADCERT_NOT_TRUSTED ) != 0 )
-        polarssl_printf( "  ! self-signed or not signed by a trusted CA\n" );
-
-    if( ( (*flags) & BADCRL_NOT_TRUSTED ) != 0 )
-        polarssl_printf( "  ! CRL not trusted\n" );
-
-    if( ( (*flags) & BADCRL_EXPIRED ) != 0 )
-        polarssl_printf( "  ! CRL expired\n" );
-
-    if( ( (*flags) & BADCERT_OTHER ) != 0 )
-        polarssl_printf( "  ! other (unknown) flag\n" );
-
-    if ( ( *flags ) == 0 )
-        polarssl_printf( "  This certificate has no flags\n" );
-
-    return( 0 );
-}
-#endif /* POLARSSL_X509_CRT_PARSE_C */
-
 #if defined(POLARSSL_X509_CRT_PARSE_C)
 #if defined(POLARSSL_FS_IO)
 #define USAGE_IO \
@@ -379,6 +238,144 @@ static int my_verify( void *data, x509_crt *crt, int depth, int *flags )
     "    force_ciphersuite=<name>    default: all enabled\n"\
     " acceptable ciphersuite names:\n"
 
+#if !defined(POLARSSL_ENTROPY_C) ||  !defined(POLARSSL_FS_IO) || \
+    !defined(POLARSSL_SSL_TLS_C) || !defined(POLARSSL_SSL_CLI_C) || \
+    !defined(POLARSSL_NET_C) || !defined(POLARSSL_CTR_DRBG_C)
+int main( void )
+{
+    polarssl_printf("POLARSSL_ENTROPY_C and/or "
+           "POLARSSL_SSL_TLS_C and/or POLARSSL_SSL_CLI_C and/or "
+           "POLARSSL_NET_C and/or POLARSSL_CTR_DRBG_C not defined.\n");
+    return( 0 );
+}
+#else
+/*
+ * global options
+ */
+struct options
+{
+    const char *server_name;    /* hostname of the server (client only)     */
+    const char *server_addr;    /* address of the server (client only)      */
+    int server_port;            /* port on which the ssl service runs       */
+    int debug_level;            /* level of debugging                       */
+    int nbio;                   /* should I/O be blocking?                  */
+    const char *request_page;   /* page on server to request                */
+    int request_size;           /* pad request with header to requested size */
+    const char *ca_file;        /* the file with the CA certificate(s)      */
+    const char *ca_path;        /* the path with the CA certificate(s) reside */
+    const char *crt_file;       /* the file with the client certificate     */
+    const char *key_file;       /* the file with the client key             */
+    const char *psk;            /* the pre-shared key                       */
+    const char *psk_identity;   /* the pre-shared key identity              */
+    int force_ciphersuite[2];   /* protocol/ciphersuite to use, or all      */
+    int renegotiation;          /* enable / disable renegotiation           */
+    int allow_legacy;           /* allow legacy renegotiation               */
+    int renegotiate;            /* attempt renegotiation?                   */
+    int renego_delay;           /* delay before enforcing renegotiation     */
+    int exchanges;              /* number of data exchanges                 */
+    int min_version;            /* minimum protocol version accepted        */
+    int max_version;            /* maximum protocol version accepted        */
+    int arc4;                   /* flag for arc4 suites support             */
+    int auth_mode;              /* verify mode for connection               */
+    unsigned char mfl_code;     /* code for maximum fragment length         */
+    int trunc_hmac;             /* negotiate truncated hmac or not          */
+    int recsplit;               /* enable record splitting?                 */
+    int reconnect;              /* attempt to resume session                */
+    int reco_delay;             /* delay in seconds before resuming session */
+    int tickets;                /* enable / disable session tickets         */
+    const char *alpn_string;    /* ALPN supported protocols                 */
+    int fallback;               /* is this a fallback connection?           */
+    int extended_ms;            /* negotiate extended master secret?        */
+    int etm;                    /* negotiate encrypt then mac?              */
+} opt;
+
+static void my_debug( void *ctx, int level, const char *str )
+{
+    ((void) level);
+
+    polarssl_fprintf( (FILE *) ctx, "%s", str );
+    fflush(  (FILE *) ctx  );
+}
+
+/*
+ * Test recv/send functions that make sure each try returns
+ * WANT_READ/WANT_WRITE at least once before sucesseding
+ */
+static int my_recv( void *ctx, unsigned char *buf, size_t len )
+{
+    static int first_try = 1;
+    int ret;
+
+    if( first_try )
+    {
+        first_try = 0;
+        return( POLARSSL_ERR_NET_WANT_READ );
+    }
+
+    ret = net_recv( ctx, buf, len );
+    if( ret != POLARSSL_ERR_NET_WANT_READ )
+        first_try = 1; /* Next call will be a new operation */
+    return( ret );
+}
+
+static int my_send( void *ctx, const unsigned char *buf, size_t len )
+{
+    static int first_try = 1;
+    int ret;
+
+    if( first_try )
+    {
+        first_try = 0;
+        return( POLARSSL_ERR_NET_WANT_WRITE );
+    }
+
+    ret = net_send( ctx, buf, len );
+    if( ret != POLARSSL_ERR_NET_WANT_WRITE )
+        first_try = 1; /* Next call will be a new operation */
+    return( ret );
+}
+
+#if defined(POLARSSL_X509_CRT_PARSE_C)
+/*
+ * Enabled if debug_level > 1 in code below
+ */
+static int my_verify( void *data, x509_crt *crt, int depth, int *flags )
+{
+    char buf[1024];
+    ((void) data);
+
+    polarssl_printf( "\nVerify requested for (Depth %d):\n", depth );
+    x509_crt_info( buf, sizeof( buf ) - 1, "", crt );
+    polarssl_printf( "%s", buf );
+
+    if( ( (*flags) & BADCERT_EXPIRED ) != 0 )
+        polarssl_printf( "  ! server certificate has expired\n" );
+
+    if( ( (*flags) & BADCERT_REVOKED ) != 0 )
+        polarssl_printf( "  ! server certificate has been revoked\n" );
+
+    if( ( (*flags) & BADCERT_CN_MISMATCH ) != 0 )
+        polarssl_printf( "  ! CN mismatch\n" );
+
+    if( ( (*flags) & BADCERT_NOT_TRUSTED ) != 0 )
+        polarssl_printf( "  ! self-signed or not signed by a trusted CA\n" );
+
+    if( ( (*flags) & BADCRL_NOT_TRUSTED ) != 0 )
+        polarssl_printf( "  ! CRL not trusted\n" );
+
+    if( ( (*flags) & BADCRL_EXPIRED ) != 0 )
+        polarssl_printf( "  ! CRL expired\n" );
+
+    if( ( (*flags) & BADCERT_OTHER ) != 0 )
+        polarssl_printf( "  ! other (unknown) flag\n" );
+
+    if ( ( *flags ) == 0 )
+        polarssl_printf( "  This certificate has no flags\n" );
+
+    return( 0 );
+}
+#endif /* POLARSSL_X509_CRT_PARSE_C */
+
 int main( int argc, char *argv[] )
 {
     int ret = 0, len, tail_len, server_fd, i, written, frags;
diff --git a/programs/ssl/ssl_fork_server.c b/programs/ssl/ssl_fork_server.c
index 575160f84..2bdf3f600 100644
--- a/programs/ssl/ssl_fork_server.c
+++ b/programs/ssl/ssl_fork_server.c
@@ -85,11 +85,8 @@ int main( int argc, char *argv[] )
     return( 0 );
 }
 #elif defined(_WIN32)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("_WIN32 defined. This application requires fork() and signals "
            "to work correctly.\n");
     return( 0 );
@@ -107,7 +104,7 @@ static void my_debug( void *ctx, int level, const char *str )
     }
 }
 
-int main( int argc, char *argv[] )
+int main( void )
 {
     int ret, len, cnt = 0, pid;
     int listen_fd;
@@ -121,9 +118,6 @@ int main( int argc, char *argv[] )
     x509_crt srvcert;
     pk_context pkey;
 
-    ((void) argc);
-    ((void) argv);
-
     memset( &ssl, 0, sizeof(ssl_context) );
 
     entropy_init( &entropy );
diff --git a/programs/ssl/ssl_mail_client.c b/programs/ssl/ssl_mail_client.c
index a148171d9..f39a5d855 100644
--- a/programs/ssl/ssl_mail_client.c
+++ b/programs/ssl/ssl_mail_client.c
@@ -91,16 +91,47 @@
 #define MODE_SSL_TLS            0
 #define MODE_STARTTLS           0
 
+#if defined(POLARSSL_BASE64_C)
+#define USAGE_AUTH \
+    "    authentication=%%d   default: 0 (disabled)\n"      \
+    "    user_name=%%s        default: \"user\"\n"          \
+    "    user_pwd=%%s         default: \"password\"\n"      
+#else
+#define USAGE_AUTH \
+    "    authentication options disabled. (Require POLARSSL_BASE64_C)\n"
+#endif /* POLARSSL_BASE64_C */
+
+#if defined(POLARSSL_FS_IO)
+#define USAGE_IO \
+    "    ca_file=%%s          default: \"\" (pre-loaded)\n" \
+    "    crt_file=%%s         default: \"\" (pre-loaded)\n" \
+    "    key_file=%%s         default: \"\" (pre-loaded)\n"
+#else
+#define USAGE_IO \
+    "    No file operations available (POLARSSL_FS_IO not defined)\n"
+#endif /* POLARSSL_FS_IO */
+
+#define USAGE \
+    "\n usage: ssl_mail_client param=<>...\n"               \
+    "\n acceptable parameters:\n"                           \
+    "    server_name=%%s      default: localhost\n"         \
+    "    server_port=%%d      default: 4433\n"              \
+    "    debug_level=%%d      default: 0 (disabled)\n"      \
+    "    mode=%%d             default: 0 (SSL/TLS) (1 for STARTTLS)\n"  \
+    USAGE_AUTH                                              \
+    "    mail_from=%%s        default: \"\"\n"              \
+    "    mail_to=%%s          default: \"\"\n"              \
+    USAGE_IO                                                \
+    "    force_ciphersuite=<name>    default: all enabled\n"\
+    " acceptable ciphersuite names:\n"
+
 #if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_ENTROPY_C) ||  \
     !defined(POLARSSL_SSL_TLS_C) || !defined(POLARSSL_SSL_CLI_C) || \
     !defined(POLARSSL_NET_C) || !defined(POLARSSL_RSA_C) ||         \
     !defined(POLARSSL_CTR_DRBG_C) || !defined(POLARSSL_X509_CRT_PARSE_C) ||\
     !defined(POLARSSL_FS_IO)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_BIGNUM_C and/or POLARSSL_ENTROPY_C and/or "
            "POLARSSL_SSL_TLS_C and/or POLARSSL_SSL_CLI_C and/or "
            "POLARSSL_NET_C and/or POLARSSL_RSA_C and/or "
@@ -325,40 +356,6 @@ static int write_and_get_response( int sock_fd, unsigned char *buf, size_t len )
     while( 1 );
 }
 
-#if defined(POLARSSL_BASE64_C)
-#define USAGE_AUTH \
-    "    authentication=%%d   default: 0 (disabled)\n"      \
-    "    user_name=%%s        default: \"user\"\n"          \
-    "    user_pwd=%%s         default: \"password\"\n"      
-#else
-#define USAGE_AUTH \
-    "    authentication options disabled. (Require POLARSSL_BASE64_C)\n"
-#endif /* POLARSSL_BASE64_C */
-
-#if defined(POLARSSL_FS_IO)
-#define USAGE_IO \
-    "    ca_file=%%s          default: \"\" (pre-loaded)\n" \
-    "    crt_file=%%s         default: \"\" (pre-loaded)\n" \
-    "    key_file=%%s         default: \"\" (pre-loaded)\n"
-#else
-#define USAGE_IO \
-    "    No file operations available (POLARSSL_FS_IO not defined)\n"
-#endif /* POLARSSL_FS_IO */
-
-#define USAGE \
-    "\n usage: ssl_mail_client param=<>...\n"               \
-    "\n acceptable parameters:\n"                           \
-    "    server_name=%%s      default: localhost\n"         \
-    "    server_port=%%d      default: 4433\n"              \
-    "    debug_level=%%d      default: 0 (disabled)\n"      \
-    "    mode=%%d             default: 0 (SSL/TLS) (1 for STARTTLS)\n"  \
-    USAGE_AUTH                                              \
-    "    mail_from=%%s        default: \"\"\n"              \
-    "    mail_to=%%s          default: \"\"\n"              \
-    USAGE_IO                                                \
-    "    force_ciphersuite=<name>    default: all enabled\n"\
-    " acceptable ciphersuite names:\n"
-
 int main( int argc, char *argv[] )
 {
     int ret = 0, len, server_fd;
diff --git a/programs/ssl/ssl_pthread_server.c b/programs/ssl/ssl_pthread_server.c
index f95a6d88d..a22548556 100644
--- a/programs/ssl/ssl_pthread_server.c
+++ b/programs/ssl/ssl_pthread_server.c
@@ -73,17 +73,16 @@
 
 #define DEBUG_LEVEL 0
 
+#define MAX_NUM_THREADS 5
+
 #if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_CERTS_C) ||            \
     !defined(POLARSSL_ENTROPY_C) || !defined(POLARSSL_SSL_TLS_C) ||         \
     !defined(POLARSSL_SSL_SRV_C) || !defined(POLARSSL_NET_C) ||             \
     !defined(POLARSSL_RSA_C) || !defined(POLARSSL_CTR_DRBG_C) ||            \
     !defined(POLARSSL_X509_CRT_PARSE_C) || !defined(POLARSSL_FS_IO) ||      \
     !defined(POLARSSL_THREADING_C) || !defined(POLARSSL_THREADING_PTHREAD)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_BIGNUM_C and/or POLARSSL_CERTS_C and/or POLARSSL_ENTROPY_C "
            "and/or POLARSSL_SSL_TLS_C and/or POLARSSL_SSL_SRV_C and/or "
            "POLARSSL_NET_C and/or POLARSSL_RSA_C and/or "
@@ -124,8 +123,6 @@ typedef struct {
     pthread_t       thread;
 } pthread_info_t;
 
-#define MAX_NUM_THREADS 5
-
 static thread_info_t    base_info;
 static pthread_info_t   threads[MAX_NUM_THREADS];
 
@@ -373,7 +370,7 @@ static int thread_create( int client_fd )
     return( 0 );
 }
 
-int main( int argc, char *argv[] )
+int main( void )
 {
     int ret;
     int listen_fd;
@@ -389,9 +386,6 @@ int main( int argc, char *argv[] )
     ssl_cache_context cache;
 #endif
 
-    ((void) argc);
-    ((void) argv);
-
 #if defined(POLARSSL_MEMORY_BUFFER_ALLOC_C)
     memory_buffer_alloc_init( alloc_buf, sizeof(alloc_buf) );
 #endif
diff --git a/programs/ssl/ssl_server.c b/programs/ssl/ssl_server.c
index 0486517dd..58d99d692 100644
--- a/programs/ssl/ssl_server.c
+++ b/programs/ssl/ssl_server.c
@@ -73,11 +73,8 @@
     !defined(POLARSSL_SSL_SRV_C) || !defined(POLARSSL_NET_C) ||     \
     !defined(POLARSSL_RSA_C) || !defined(POLARSSL_CTR_DRBG_C) ||    \
     !defined(POLARSSL_X509_CRT_PARSE_C) || !defined(POLARSSL_FS_IO)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_BIGNUM_C and/or POLARSSL_CERTS_C and/or POLARSSL_ENTROPY_C "
            "and/or POLARSSL_SSL_TLS_C and/or POLARSSL_SSL_SRV_C and/or "
            "POLARSSL_NET_C and/or POLARSSL_RSA_C and/or "
@@ -94,7 +91,7 @@ static void my_debug( void *ctx, int level, const char *str )
     fflush(  (FILE *) ctx  );
 }
 
-int main( int argc, char *argv[] )
+int main( void )
 {
     int ret, len;
     int listen_fd;
@@ -111,9 +108,6 @@ int main( int argc, char *argv[] )
     ssl_cache_context cache;
 #endif
 
-    ((void) argc);
-    ((void) argv);
-
     memset( &ssl, 0, sizeof(ssl_context) );
 #if defined(POLARSSL_SSL_CACHE_C)
     ssl_cache_init( &cache );
diff --git a/programs/ssl/ssl_server2.c b/programs/ssl/ssl_server2.c
index e39a7fddc..cebf3bffd 100644
--- a/programs/ssl/ssl_server2.c
+++ b/programs/ssl/ssl_server2.c
@@ -133,110 +133,6 @@
  */
 #define IO_BUF_LEN      200
 
-#if !defined(POLARSSL_ENTROPY_C) ||\
-    !defined(POLARSSL_SSL_TLS_C) || !defined(POLARSSL_SSL_SRV_C) || \
-    !defined(POLARSSL_NET_C) || !defined(POLARSSL_CTR_DRBG_C)
-#include <stdio.h>
-int main( int argc, char *argv[] )
-{
-    ((void) argc);
-    ((void) argv);
-
-    polarssl_printf("POLARSSL_ENTROPY_C and/or "
-           "POLARSSL_SSL_TLS_C and/or POLARSSL_SSL_SRV_C and/or "
-           "POLARSSL_NET_C and/or POLARSSL_CTR_DRBG_C not defined.\n");
-    return( 0 );
-}
-#else
-/*
- * global options
- */
-struct options
-{
-    const char *server_addr;    /* address on which the ssl service runs    */
-    int server_port;            /* port on which the ssl service runs       */
-    int debug_level;            /* level of debugging                       */
-    int nbio;                   /* should I/O be blocking?                  */
-    const char *ca_file;        /* the file with the CA certificate(s)      */
-    const char *ca_path;        /* the path with the CA certificate(s) reside */
-    const char *crt_file;       /* the file with the server certificate     */
-    const char *key_file;       /* the file with the server key             */
-    const char *crt_file2;      /* the file with the 2nd server certificate */
-    const char *key_file2;      /* the file with the 2nd server key         */
-    const char *psk;            /* the pre-shared key                       */
-    const char *psk_identity;   /* the pre-shared key identity              */
-    char *psk_list;             /* list of PSK id/key pairs for callback    */
-    int force_ciphersuite[2];   /* protocol/ciphersuite to use, or all      */
-    const char *version_suites; /* per-version ciphersuites                 */
-    int renegotiation;          /* enable / disable renegotiation           */
-    int allow_legacy;           /* allow legacy renegotiation               */
-    int renegotiate;            /* attempt renegotiation?                   */
-    int renego_delay;           /* delay before enforcing renegotiation     */
-    int renego_period;          /* period for automatic renegotiation       */
-    int exchanges;              /* number of data exchanges                 */
-    int min_version;            /* minimum protocol version accepted        */
-    int max_version;            /* maximum protocol version accepted        */
-    int arc4;                   /* flag for arc4 suites support             */
-    int auth_mode;              /* verify mode for connection               */
-    unsigned char mfl_code;     /* code for maximum fragment length         */
-    int trunc_hmac;             /* accept truncated hmac?                   */
-    int tickets;                /* enable / disable session tickets         */
-    int ticket_timeout;         /* session ticket lifetime                  */
-    int cache_max;              /* max number of session cache entries      */
-    int cache_timeout;          /* expiration delay of session cache entries */
-    char *sni;                  /* string describing sni information        */
-    const char *alpn_string;    /* ALPN supported protocols                 */
-    const char *dhm_file;       /* the file with the DH parameters          */
-    int extended_ms;            /* allow negotiation of extended MS?        */
-    int etm;                    /* allow negotiation of encrypt-then-MAC?   */
-} opt;
-
-static void my_debug( void *ctx, int level, const char *str )
-{
-    ((void) level);
-
-    polarssl_fprintf( (FILE *) ctx, "%s", str );
-    fflush(  (FILE *) ctx  );
-}
-
-/*
- * Test recv/send functions that make sure each try returns
- * WANT_READ/WANT_WRITE at least once before sucesseding
- */
-static int my_recv( void *ctx, unsigned char *buf, size_t len )
-{
-    static int first_try = 1;
-    int ret;
-
-    if( first_try )
-    {
-        first_try = 0;
-        return( POLARSSL_ERR_NET_WANT_READ );
-    }
-
-    ret = net_recv( ctx, buf, len );
-    if( ret != POLARSSL_ERR_NET_WANT_READ )
-        first_try = 1; /* Next call will be a new operation */
-    return( ret );
-}
-
-static int my_send( void *ctx, const unsigned char *buf, size_t len )
-{
-    static int first_try = 1;
-    int ret;
-
-    if( first_try )
-    {
-        first_try = 0;
-        return( POLARSSL_ERR_NET_WANT_WRITE );
-    }
-
-    ret = net_send( ctx, buf, len );
-    if( ret != POLARSSL_ERR_NET_WANT_WRITE )
-        first_try = 1; /* Next call will be a new operation */
-    return( ret );
-}
-
 #if defined(POLARSSL_X509_CRT_PARSE_C)
 #if defined(POLARSSL_FS_IO)
 #define USAGE_IO \
@@ -382,6 +278,107 @@ static int my_send( void *ctx, const unsigned char *buf, size_t len )
     "    force_ciphersuite=<name>    default: all enabled\n"            \
     " acceptable ciphersuite names:\n"
 
+#if !defined(POLARSSL_ENTROPY_C) ||\
+    !defined(POLARSSL_SSL_TLS_C) || !defined(POLARSSL_SSL_SRV_C) || \
+    !defined(POLARSSL_NET_C) || !defined(POLARSSL_CTR_DRBG_C)
+#include <stdio.h>
+int main( void )
+{
+    polarssl_printf("POLARSSL_ENTROPY_C and/or "
+           "POLARSSL_SSL_TLS_C and/or POLARSSL_SSL_SRV_C and/or "
+           "POLARSSL_NET_C and/or POLARSSL_CTR_DRBG_C not defined.\n");
+    return( 0 );
+}
+#else
+/*
+ * global options
+ */
+struct options
+{
+    const char *server_addr;    /* address on which the ssl service runs    */
+    int server_port;            /* port on which the ssl service runs       */
+    int debug_level;            /* level of debugging                       */
+    int nbio;                   /* should I/O be blocking?                  */
+    const char *ca_file;        /* the file with the CA certificate(s)      */
+    const char *ca_path;        /* the path with the CA certificate(s) reside */
+    const char *crt_file;       /* the file with the server certificate     */
+    const char *key_file;       /* the file with the server key             */
+    const char *crt_file2;      /* the file with the 2nd server certificate */
+    const char *key_file2;      /* the file with the 2nd server key         */
+    const char *psk;            /* the pre-shared key                       */
+    const char *psk_identity;   /* the pre-shared key identity              */
+    char *psk_list;             /* list of PSK id/key pairs for callback    */
+    int force_ciphersuite[2];   /* protocol/ciphersuite to use, or all      */
+    const char *version_suites; /* per-version ciphersuites                 */
+    int renegotiation;          /* enable / disable renegotiation           */
+    int allow_legacy;           /* allow legacy renegotiation               */
+    int renegotiate;            /* attempt renegotiation?                   */
+    int renego_delay;           /* delay before enforcing renegotiation     */
+    int renego_period;          /* period for automatic renegotiation       */
+    int exchanges;              /* number of data exchanges                 */
+    int min_version;            /* minimum protocol version accepted        */
+    int max_version;            /* maximum protocol version accepted        */
+    int arc4;                   /* flag for arc4 suites support             */
+    int auth_mode;              /* verify mode for connection               */
+    unsigned char mfl_code;     /* code for maximum fragment length         */
+    int trunc_hmac;             /* accept truncated hmac?                   */
+    int tickets;                /* enable / disable session tickets         */
+    int ticket_timeout;         /* session ticket lifetime                  */
+    int cache_max;              /* max number of session cache entries      */
+    int cache_timeout;          /* expiration delay of session cache entries */
+    char *sni;                  /* string describing sni information        */
+    const char *alpn_string;    /* ALPN supported protocols                 */
+    const char *dhm_file;       /* the file with the DH parameters          */
+    int extended_ms;            /* allow negotiation of extended MS?        */
+    int etm;                    /* allow negotiation of encrypt-then-MAC?   */
+} opt;
+
+static void my_debug( void *ctx, int level, const char *str )
+{
+    ((void) level);
+
+    polarssl_fprintf( (FILE *) ctx, "%s", str );
+    fflush(  (FILE *) ctx  );
+}
+
+/*
+ * Test recv/send functions that make sure each try returns
+ * WANT_READ/WANT_WRITE at least once before sucesseding
+ */
+static int my_recv( void *ctx, unsigned char *buf, size_t len )
+{
+    static int first_try = 1;
+    int ret;
+
+    if( first_try )
+    {
+        first_try = 0;
+        return( POLARSSL_ERR_NET_WANT_READ );
+    }
+
+    ret = net_recv( ctx, buf, len );
+    if( ret != POLARSSL_ERR_NET_WANT_READ )
+        first_try = 1; /* Next call will be a new operation */
+    return( ret );
+}
+
+static int my_send( void *ctx, const unsigned char *buf, size_t len )
+{
+    static int first_try = 1;
+    int ret;
+
+    if( first_try )
+    {
+        first_try = 0;
+        return( POLARSSL_ERR_NET_WANT_WRITE );
+    }
+
+    ret = net_send( ctx, buf, len );
+    if( ret != POLARSSL_ERR_NET_WANT_WRITE )
+        first_try = 1; /* Next call will be a new operation */
+    return( ret );
+}
+
 /*
  * Used by sni_parse and psk_parse to handle coma-separated lists
  */
diff --git a/programs/test/benchmark.c b/programs/test/benchmark.c
index 37840811e..6d8d8e51e 100644
--- a/programs/test/benchmark.c
+++ b/programs/test/benchmark.c
@@ -70,13 +70,73 @@
 #define BUFSIZE         1024
 #define HEADER_FORMAT   "  %-24s :  "
 #define TITLE_LEN       25
+ 
+#define DHM_SIZES 3
+
+#define OPTIONS                                                         \
+    "md4, md5, ripemd160, sha1, sha256, sha512,\n"                      \
+    "arc4, des3, des, aes_cbc, aes_gcm, aes_ccm, camellia, blowfish,\n" \
+    "havege, ctr_drbg, hmac_drbg\n"                                     \
+    "rsa, dhm, ecdsa, ecdh.\n"
+
+#if defined(POLARSSL_ERROR_C)
+#define PRINT_ERROR                                                     \
+        polarssl_strerror( ret, ( char * )tmp, sizeof( tmp ) );         \
+        polarssl_printf( "FAILED: %s\n", tmp );
+#else
+#define PRINT_ERROR                                                     \
+        polarssl_printf( "FAILED: -0x%04x\n", -ret );
+#endif
+
+#define TIME_AND_TSC( TITLE, CODE )                                     \
+do {                                                                    \
+    unsigned long i, j, tsc;                                            \
+                                                                        \
+    polarssl_printf( HEADER_FORMAT, TITLE );                                     \
+    fflush( stdout );                                                   \
+                                                                        \
+    set_alarm( 1 );                                                     \
+    for( i = 1; ! alarmed; i++ )                                        \
+    {                                                                   \
+        CODE;                                                           \
+    }                                                                   \
+                                                                        \
+    tsc = hardclock();                                                  \
+    for( j = 0; j < 1024; j++ )                                         \
+    {                                                                   \
+        CODE;                                                           \
+    }                                                                   \
+                                                                        \
+    polarssl_printf( "%9lu Kb/s,  %9lu cycles/byte\n", i * BUFSIZE / 1024,       \
+                    ( hardclock() - tsc ) / ( j * BUFSIZE ) );          \
+} while( 0 )
+
+#define TIME_PUBLIC( TITLE, TYPE, CODE )                                \
+do {                                                                    \
+    unsigned long i;                                                    \
+    int ret;                                                            \
+                                                                        \
+    polarssl_printf( HEADER_FORMAT, TITLE );                                     \
+    fflush( stdout );                                                   \
+    set_alarm( 3 );                                                     \
+                                                                        \
+    ret = 0;                                                            \
+    for( i = 1; ! alarmed && ! ret ; i++ )                              \
+    {                                                                   \
+        CODE;                                                           \
+    }                                                                   \
+                                                                        \
+    if( ret != 0 )                                                      \
+    {                                                                   \
+PRINT_ERROR;                                                            \
+    }                                                                   \
+    else                                                                \
+        polarssl_printf( "%9lu " TYPE "/s\n", i / 3 );                           \
+} while( 0 )
 
 #if !defined(POLARSSL_TIMING_C)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_TIMING_C not defined.\n");
     return( 0 );
 }
@@ -104,61 +164,6 @@ static int myrand( void *rng_state, unsigned char *output, size_t len )
     return( 0 );
 }
 
-#define TIME_AND_TSC( TITLE, CODE )                                     \
-do {                                                                    \
-    unsigned long i, j, tsc;                                            \
-                                                                        \
-    polarssl_printf( HEADER_FORMAT, TITLE );                                     \
-    fflush( stdout );                                                   \
-                                                                        \
-    set_alarm( 1 );                                                     \
-    for( i = 1; ! alarmed; i++ )                                        \
-    {                                                                   \
-        CODE;                                                           \
-    }                                                                   \
-                                                                        \
-    tsc = hardclock();                                                  \
-    for( j = 0; j < 1024; j++ )                                         \
-    {                                                                   \
-        CODE;                                                           \
-    }                                                                   \
-                                                                        \
-    polarssl_printf( "%9lu Kb/s,  %9lu cycles/byte\n", i * BUFSIZE / 1024,       \
-                    ( hardclock() - tsc ) / ( j * BUFSIZE ) );          \
-} while( 0 )
-
-#if defined(POLARSSL_ERROR_C)
-#define PRINT_ERROR                                                     \
-        polarssl_strerror( ret, ( char * )tmp, sizeof( tmp ) );         \
-        polarssl_printf( "FAILED: %s\n", tmp );
-#else
-#define PRINT_ERROR                                                     \
-        polarssl_printf( "FAILED: -0x%04x\n", -ret );
-#endif
-
-#define TIME_PUBLIC( TITLE, TYPE, CODE )                                \
-do {                                                                    \
-    unsigned long i;                                                    \
-    int ret;                                                            \
-                                                                        \
-    polarssl_printf( HEADER_FORMAT, TITLE );                                     \
-    fflush( stdout );                                                   \
-    set_alarm( 3 );                                                     \
-                                                                        \
-    ret = 0;                                                            \
-    for( i = 1; ! alarmed && ! ret ; i++ )                              \
-    {                                                                   \
-        CODE;                                                           \
-    }                                                                   \
-                                                                        \
-    if( ret != 0 )                                                      \
-    {                                                                   \
-PRINT_ERROR;                                                            \
-    }                                                                   \
-    else                                                                \
-        polarssl_printf( "%9lu " TYPE "/s\n", i / 3 );                           \
-} while( 0 )
-
 unsigned char buf[BUFSIZE];
 
 typedef struct {
@@ -168,12 +173,6 @@ typedef struct {
          rsa, dhm, ecdsa, ecdh;
 } todo_list;
 
-#define OPTIONS                                                         \
-    "md4, md5, ripemd160, sha1, sha256, sha512,\n"                      \
-    "arc4, des3, des, aes_cbc, aes_gcm, aes_ccm, camellia, blowfish,\n" \
-    "havege, ctr_drbg, hmac_drbg\n"                                     \
-    "rsa, dhm, ecdsa, ecdh.\n"
-
 int main( int argc, char *argv[] )
 {
     int keysize, i;
@@ -521,7 +520,6 @@ int main( int argc, char *argv[] )
 #if defined(POLARSSL_DHM_C) && defined(POLARSSL_BIGNUM_C)
     if( todo.dhm )
     {
-#define DHM_SIZES 3
         int dhm_sizes[DHM_SIZES] = { 1024, 2048, 3072 };
         const char *dhm_P[DHM_SIZES] = {
             POLARSSL_DHM_RFC5114_MODP_1024_P,
diff --git a/programs/test/o_p_test.c b/programs/test/o_p_test.c
index 19fef9c91..3e77c55c9 100644
--- a/programs/test/o_p_test.c
+++ b/programs/test/o_p_test.c
@@ -58,11 +58,8 @@
 
 #if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_RSA_C) ||         \
     !defined(POLARSSL_PK_PARSE_C) || !defined(POLARSSL_FS_IO)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_BIGNUM_C and/or POLARSSL_RSA_C and/or "
            "POLARSSL_PK_PARSE_C and/or POLARSSL_FS_IO not defined.\n");
     return( 0 );
diff --git a/programs/test/ssl_cert_test.c b/programs/test/ssl_cert_test.c
index 3e006d32d..2b1d5a7b0 100644
--- a/programs/test/ssl_cert_test.c
+++ b/programs/test/ssl_cert_test.c
@@ -50,11 +50,8 @@
 
 #if !defined(POLARSSL_RSA_C) || !defined(POLARSSL_X509_CRT_PARSE_C) || \
     !defined(POLARSSL_FS_IO) || !defined(POLARSSL_X509_CRL_PARSE_C)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_RSA_C and/or POLARSSL_X509_CRT_PARSE_C "
            "POLARSSL_FS_IO and/or POLARSSL_X509_CRL_PARSE_C "
            "not defined.\n");
@@ -85,16 +82,13 @@ const char *client_private_keys[MAX_CLIENT_CERTS] =
     "cert_digest.key"
 };
 
-int main( int argc, char *argv[] )
+int main( void )
 {
     int ret, i;
     x509_crt cacert;
     x509_crl crl;
     char buf[10240];
 
-    ((void) argc);
-    ((void) argv);
-
     x509_crt_init( &cacert );
     x509_crl_init( &crl );
 
diff --git a/programs/test/ssl_test.c b/programs/test/ssl_test.c
index c414ad032..7d24c0be2 100644
--- a/programs/test/ssl_test.c
+++ b/programs/test/ssl_test.c
@@ -86,11 +86,8 @@
     !defined(POLARSSL_SSL_CLI_C) || !defined(POLARSSL_NET_C) ||     \
     !defined(POLARSSL_RSA_C) || !defined(POLARSSL_CTR_DRBG_C) ||    \
     !defined(POLARSSL_X509_CRT_PARSE_C)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_BIGNUM_C and/or POLARSSL_ENTROPY_C and/or "
            "POLARSSL_SSL_TLS_C and/or POLARSSL_SSL_SRV_C and/or "
            "POLARSSL_SSL_CLI_C and/or POLARSSL_NET_C and/or "
diff --git a/programs/util/pem2der.c b/programs/util/pem2der.c
index c967e53da..670daea03 100644
--- a/programs/util/pem2der.c
+++ b/programs/util/pem2der.c
@@ -55,11 +55,8 @@
     "\n"
 
 #if !defined(POLARSSL_BASE64_C) || !defined(POLARSSL_FS_IO)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_BASE64_C and/or POLARSSL_FS_IO not defined.\n");
     return( 0 );
 }
diff --git a/programs/util/strerror.c b/programs/util/strerror.c
index f4da587e4..e785ffa7c 100644
--- a/programs/util/strerror.c
+++ b/programs/util/strerror.c
@@ -46,11 +46,8 @@
     "\n where <errorcode> can be a decimal or hexadecimal (starts with 0x or -0x)\n"
 
 #if !defined(POLARSSL_ERROR_C) && !defined(POLARSSL_ERROR_STRERROR_DUMMY)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_ERROR_C and/or POLARSSL_ERROR_STRERROR_DUMMY not defined.\n");
     return( 0 );
 }
diff --git a/programs/x509/cert_app.c b/programs/x509/cert_app.c
index 5d9348d3f..d74b4daf7 100644
--- a/programs/x509/cert_app.c
+++ b/programs/x509/cert_app.c
@@ -64,16 +64,33 @@
 #define DFL_DEBUG_LEVEL         0
 #define DFL_PERMISSIVE          0
 
+#define USAGE_IO \
+    "    ca_file=%%s          The single file containing the top-level CA(s) you fully trust\n" \
+    "                        default: \"\" (none)\n" \
+    "    crl_file=%%s         The single CRL file you want to use\n" \
+    "                        default: \"\" (none)\n" \
+    "    ca_path=%%s          The path containing the top-level CA(s) you fully trust\n" \
+    "                        default: \"\" (none) (overrides ca_file)\n"
+
+#define USAGE \
+    "\n usage: cert_app param=<>...\n"                  \
+    "\n acceptable parameters:\n"                       \
+    "    mode=file|ssl       default: none\n"           \
+    "    filename=%%s         default: cert.crt\n"      \
+    USAGE_IO                                            \
+    "    server_name=%%s      default: localhost\n"     \
+    "    server_port=%%d      default: 4433\n"          \
+    "    debug_level=%%d      default: 0 (disabled)\n"  \
+    "    permissive=%%d       default: 0 (disabled)\n"  \
+    "\n"
+
 #if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_ENTROPY_C) ||  \
     !defined(POLARSSL_SSL_TLS_C) || !defined(POLARSSL_SSL_CLI_C) || \
     !defined(POLARSSL_NET_C) || !defined(POLARSSL_RSA_C) ||         \
     !defined(POLARSSL_X509_CRT_PARSE_C) || !defined(POLARSSL_FS_IO) ||  \
     !defined(POLARSSL_CTR_DRBG_C)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_BIGNUM_C and/or POLARSSL_ENTROPY_C and/or "
            "POLARSSL_SSL_TLS_C and/or POLARSSL_SSL_CLI_C and/or "
            "POLARSSL_NET_C and/or POLARSSL_RSA_C and/or "
@@ -143,26 +160,6 @@ static int my_verify( void *data, x509_crt *crt, int depth, int *flags )
     return( 0 );
 }
 
-#define USAGE_IO \
-    "    ca_file=%%s          The single file containing the top-level CA(s) you fully trust\n" \
-    "                        default: \"\" (none)\n" \
-    "    crl_file=%%s         The single CRL file you want to use\n" \
-    "                        default: \"\" (none)\n" \
-    "    ca_path=%%s          The path containing the top-level CA(s) you fully trust\n" \
-    "                        default: \"\" (none) (overrides ca_file)\n"
-
-#define USAGE \
-    "\n usage: cert_app param=<>...\n"                  \
-    "\n acceptable parameters:\n"                       \
-    "    mode=file|ssl       default: none\n"           \
-    "    filename=%%s         default: cert.crt\n"      \
-    USAGE_IO                                            \
-    "    server_name=%%s      default: localhost\n"     \
-    "    server_port=%%d      default: 4433\n"          \
-    "    debug_level=%%d      default: 0 (disabled)\n"  \
-    "    permissive=%%d       default: 0 (disabled)\n"  \
-    "\n"
-
 int main( int argc, char *argv[] )
 {
     int ret = 0, server_fd;
diff --git a/programs/x509/cert_req.c b/programs/x509/cert_req.c
index e978201a9..d8527c6e4 100644
--- a/programs/x509/cert_req.c
+++ b/programs/x509/cert_req.c
@@ -83,11 +83,8 @@
 #if !defined(POLARSSL_X509_CSR_WRITE_C) || !defined(POLARSSL_FS_IO) ||  \
     !defined(POLARSSL_PK_PARSE_C) ||                                    \
     !defined(POLARSSL_ENTROPY_C) || !defined(POLARSSL_CTR_DRBG_C)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf( "POLARSSL_X509_CSR_WRITE_C and/or POLARSSL_FS_IO and/or "
             "POLARSSL_PK_PARSE_C and/or "
             "POLARSSL_ENTROPY_C and/or POLARSSL_CTR_DRBG_C "
diff --git a/programs/x509/cert_write.c b/programs/x509/cert_write.c
index aa1cf54e7..ed6f218da 100644
--- a/programs/x509/cert_write.c
+++ b/programs/x509/cert_write.c
@@ -124,11 +124,8 @@
     !defined(POLARSSL_X509_CRT_PARSE_C) || !defined(POLARSSL_FS_IO) ||      \
     !defined(POLARSSL_ENTROPY_C) || !defined(POLARSSL_CTR_DRBG_C) ||        \
     !defined(POLARSSL_ERROR_C)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf( "POLARSSL_X509_CRT_WRITE_C and/or POLARSSL_X509_CRT_PARSE_C and/or "
             "POLARSSL_FS_IO and/or "
             "POLARSSL_ENTROPY_C and/or POLARSSL_CTR_DRBG_C and/or "
diff --git a/programs/x509/crl_app.c b/programs/x509/crl_app.c
index e634cca3e..06395668c 100644
--- a/programs/x509/crl_app.c
+++ b/programs/x509/crl_app.c
@@ -53,11 +53,8 @@
 
 #if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_RSA_C) ||  \
     !defined(POLARSSL_X509_CRL_PARSE_C) || !defined(POLARSSL_FS_IO)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_BIGNUM_C and/or POLARSSL_RSA_C and/or "
            "POLARSSL_X509_CRL_PARSE_C and/or POLARSSL_FS_IO not defined.\n");
     return( 0 );
diff --git a/programs/x509/req_app.c b/programs/x509/req_app.c
index 3aa5f41ae..2058e4c43 100644
--- a/programs/x509/req_app.c
+++ b/programs/x509/req_app.c
@@ -53,11 +53,8 @@
 
 #if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_RSA_C) ||  \
     !defined(POLARSSL_X509_CSR_PARSE_C) || !defined(POLARSSL_FS_IO)
-int main( int argc, char *argv[] )
+int main( void )
 {
-    ((void) argc);
-    ((void) argv);
-
     polarssl_printf("POLARSSL_BIGNUM_C and/or POLARSSL_RSA_C and/or "
            "POLARSSL_X509_CSR_PARSE_C and/or POLARSSL_FS_IO not defined.\n");
     return( 0 );