2 files changed, 6 insertions, 20 deletions
diff --git a/pkgs/development/libraries/wxGTK-2.9/2.9.0.nix b/pkgs/development/libraries/wxGTK-2.9/2.9.0.nix
index 433f7fe2187d..0520adef4dcd 100644
--- a/pkgs/development/libraries/wxGTK-2.9/2.9.0.nix
+++ b/pkgs/development/libraries/wxGTK-2.9/2.9.0.nix
@@ -2,12 +2,6 @@
 , mesa, compat24 ? false, compat26 ? true, unicode ? true,
 }:
 
-assert pkgconfig != null && gtk != null;
-assert gtk.libtiff != null;
-assert gtk.libjpeg != null;
-assert gtk.libpng != null;
-assert gtk.libpng.zlib != null;
-
 stdenv.mkDerivation {
   name = "wxwidgets-2.9.0";
 
@@ -16,10 +10,9 @@ stdenv.mkDerivation {
     sha256 = "10n75mpypd9411b29gxmi0g2s7dgbfwkgiyhxwkjsyrmyvfc3xcc";
   };
 
-  buildInputs = [
-    pkgconfig gtk gtk.libtiff gtk.libjpeg gtk.libpng gtk.libpng.zlib
-    libXinerama libSM libXxf86vm xf86vidmodeproto mesa
-  ];
+  buildInputs = [ gtk libXinerama libSM libXxf86vm xf86vidmodeproto mesa ];
+
+  buildNativeInputs = [ pkgconfig ];
 
   configureFlags = [
     "--enable-gtk2"
diff --git a/pkgs/development/libraries/wxGTK-2.9/default.nix b/pkgs/development/libraries/wxGTK-2.9/default.nix
index 8385a52db19a..2f83d3cc03fb 100644
--- a/pkgs/development/libraries/wxGTK-2.9/default.nix
+++ b/pkgs/development/libraries/wxGTK-2.9/default.nix
@@ -2,12 +2,6 @@
 , mesa, compat24 ? false, compat26 ? true, unicode ? true,
 }:
 
-assert pkgconfig != null && gtk != null;
-assert gtk.libtiff != null;
-assert gtk.libjpeg != null;
-assert gtk.libpng != null;
-assert gtk.libpng.zlib != null;
-
 stdenv.mkDerivation {
   name = "wxwidgets-2.9.1";
 
@@ -16,10 +10,9 @@ stdenv.mkDerivation {
     sha256 = "1f6pdlzjawhhs17hmimk0l1n3g4g48n2iqrgl181xqfrbxyz75b8";
   };
 
-  buildInputs = [
-    pkgconfig gtk gtk.libtiff gtk.libjpeg gtk.libpng gtk.libpng.zlib
-    libXinerama libSM libXxf86vm xf86vidmodeproto mesa
-  ];
+  buildInputs = [ gtk libXinerama libSM libXxf86vm xf86vidmodeproto mesa ];
+
+  buildNativeInputs = [ pkgconfig ];
 
   configureFlags = [
     "--enable-gtk2"