diff --git a/pkgs/development/libraries/fltk/1.4.nix b/pkgs/development/libraries/fltk/1.4.nix
index 3cdebe184d7e..cad4419a26cc 100644
--- a/pkgs/development/libraries/fltk/1.4.nix
+++ b/pkgs/development/libraries/fltk/1.4.nix
@@ -1,11 +1,13 @@
 { stdenv, fetchurl, pkgconfig, xlibsWrapper, xorgproto, libXi
 , freeglut, libGLU_combined, libjpeg, zlib, libXft, libpng
-, libtiff, freetype, cf-private, Cocoa, AGL, GLUT
+, libtiff, freetype, Cocoa, AGL, GLUT
 }:
 
 let
   version = "1.4.x-r13121";
-in stdenv.mkDerivation {
+in
+
+stdenv.mkDerivation {
   name = "fltk-${version}";
 
   src = fetchurl {
@@ -13,19 +15,16 @@ in stdenv.mkDerivation {
     sha256 = "1v8wxvxcbk99i82x2v5fpqg5vj8n7g8a38g30ry7nzcjn5sf3r63";
   };
 
-  preConfigure = "make clean";
-
   patches = stdenv.lib.optionals stdenv.isDarwin [ ./nsosv.patch ];
 
   nativeBuildInputs = [ pkgconfig ];
+  buildInputs = [ libGLU_combined libjpeg zlib libpng libXft ]
+    ++ stdenv.lib.optional stdenv.isDarwin [ AGL Cocoa GLUT ];
 
-  buildInputs = [
-    libGLU_combined
-    libjpeg
-    zlib
-    libpng
-    libXft
-  ];
+  propagatedBuildInputs = [ xorgproto ]
+    ++ (if stdenv.isDarwin
+        then [ freetype libtiff ]
+        else [ xlibsWrapper libXi freeglut ]);
 
   configureFlags = [
     "--enable-gl"
@@ -35,18 +34,15 @@ in stdenv.mkDerivation {
     "--enable-xft"
   ];
 
-  propagatedBuildInputs = [ xorgproto ]
-    ++ (if stdenv.isDarwin
-        then [ Cocoa AGL GLUT freetype libtiff cf-private  /* Needed for NSDefaultRunLoopMode */ ]
-        else [ xlibsWrapper libXi freeglut ]);
+  preConfigure = "make clean";
 
   enableParallelBuilding = true;
 
-  meta = {
+  meta = with stdenv.lib; {
     description = "A C++ cross-platform lightweight GUI library";
     homepage = http://www.fltk.org;
-    platforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.darwin;
-    license = stdenv.lib.licenses.gpl2;
+    platforms = platforms.linux ++ platforms.darwin;
+    license = licenses.gpl2;
   };
 
 }
diff --git a/pkgs/development/libraries/fltk/default.nix b/pkgs/development/libraries/fltk/default.nix
index 60773d29d3d6..bb9f8fe76c9d 100644
--- a/pkgs/development/libraries/fltk/default.nix
+++ b/pkgs/development/libraries/fltk/default.nix
@@ -1,11 +1,13 @@
 { stdenv, fetchurl, pkgconfig, xlibsWrapper, xorgproto, libXi
 , freeglut, libGLU_combined, libjpeg, zlib, libXft, libpng
-, libtiff, freetype, cf-private, Cocoa, AGL, GLUT
+, libtiff, freetype, Cocoa, AGL, GLUT
 }:
 
 let
   version = "1.3.5";
-in stdenv.mkDerivation {
+in
+
+stdenv.mkDerivation {
   name = "fltk-${version}";
 
   src = fetchurl {
@@ -16,14 +18,13 @@ in stdenv.mkDerivation {
   patches = stdenv.lib.optionals stdenv.isDarwin [ ./nsosv.patch ];
 
   nativeBuildInputs = [ pkgconfig ];
+  buildInputs = [ libGLU_combined libjpeg zlib libpng libXft ]
+    ++ stdenv.lib.optional stdenv.isDarwin [ AGL Cocoa GLUT ];
 
-  buildInputs = [
-    libGLU_combined
-    libjpeg
-    zlib
-    libpng
-    libXft
-  ];
+  propagatedBuildInputs = [ xorgproto ]
+    ++ (if stdenv.isDarwin
+        then [ freetype libtiff ]
+        else [ xlibsWrapper libXi freeglut ]);
 
   configureFlags = [
     "--enable-gl"
@@ -33,18 +34,12 @@ in stdenv.mkDerivation {
     "--enable-xft"
   ];
 
-  propagatedBuildInputs = [ xorgproto ]
-    ++ (if stdenv.isDarwin
-        then [ Cocoa AGL GLUT freetype libtiff cf-private  /* Needed for NSDefaultRunLoopMode */ ]
-        else [ xlibsWrapper libXi freeglut ]);
-
   enableParallelBuilding = true;
 
-  meta = {
+  meta = with stdenv.lib; {
     description = "A C++ cross-platform lightweight GUI library";
     homepage = http://www.fltk.org;
-    platforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.darwin;
-    license = stdenv.lib.licenses.gpl2;
+    platforms = platforms.linux ++ platforms.darwin;
+    license = licenses.gpl2;
   };
-
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index ac138bd858fb..298eb3f38432 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -10416,11 +10416,9 @@ in
   flite = callPackage ../development/libraries/flite { };
 
   fltk13 = callPackage ../development/libraries/fltk {
-    inherit (darwin) cf-private;
     inherit (darwin.apple_sdk.frameworks) Cocoa AGL GLUT;
   };
   fltk14 = callPackage ../development/libraries/fltk/1.4.nix {
-    inherit (darwin) cf-private;
     inherit (darwin.apple_sdk.frameworks) Cocoa AGL GLUT;
   };
   fltk = res.fltk13;