diff --git a/lsteamclient/steamclient_private.h b/lsteamclient/steamclient_private.h
index db2073b5..2d8ddc9e 100644
--- a/lsteamclient/steamclient_private.h
+++ b/lsteamclient/steamclient_private.h
@@ -40,17 +40,10 @@ typedef struct w_steam_iface *(*iface_constructor)( void * );
 extern iface_constructor find_iface_constructor( const char *iface_version );
 extern struct w_steam_iface *create_winISteamNetworkingFakeUDPPort_SteamNetworkingFakeUDPPort001( void * );
 
-struct SteamInputActionEvent_t;
-typedef void (*CDECL win_SteamInputActionEventCallbackPointer)( struct SteamInputActionEvent_t * );
-void lin_SteamInputActionEventCallbackPointer( struct SteamInputActionEvent_t *dat );
-
 struct w_steam_iface *create_win_interface(const char *name, void *linux_side);
 void *alloc_mem_for_iface(size_t size, const char *iface_version);
 void *alloc_vtable(void *vtable, unsigned int method_count, const char *iface_version);
 
-extern void start_callback_thread(void);
-extern void stop_callback_thread(void);
-
 void init_rtti( char *base );
 
 #include "steamclient_generated.h"