diff --git a/pkgs/development/libraries/atk/default.nix b/pkgs/development/libraries/atk/default.nix
index 0c9e998ed2e..b1e8a008029 100644
--- a/pkgs/development/libraries/atk/default.nix
+++ b/pkgs/development/libraries/atk/default.nix
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
     license = "LGPLv2+";
 
     maintainers = with stdenv.lib.maintainers; [ raskin urkud ];
-    platforms = stdenv.lib.platforms.linux;
+    platforms = stdenv.lib.platforms.linux ++ stdenv.lib.platforms.darwin;
   };
 
 }
diff --git a/pkgs/development/libraries/gdk-pixbuf/default.nix b/pkgs/development/libraries/gdk-pixbuf/default.nix
index 6ad30f66e03..52d50369dc7 100644
--- a/pkgs/development/libraries/gdk-pixbuf/default.nix
+++ b/pkgs/development/libraries/gdk-pixbuf/default.nix
@@ -24,10 +24,8 @@ stdenv.mkDerivation rec {
 
   meta = {
     description = "A library for image loading and manipulation";
-
     homepage = http://library.gnome.org/devel/gdk-pixbuf/;
-
     maintainers = [ stdenv.lib.maintainers.eelco ];
-    platforms = stdenv.lib.platforms.linux;
+    platforms = stdenv.lib.platforms.unix;
   };
 }
diff --git a/pkgs/development/libraries/qt-4.x/4.8/default.nix b/pkgs/development/libraries/qt-4.x/4.8/default.nix
index 59151d35326..47b48bd979f 100644
--- a/pkgs/development/libraries/qt-4.x/4.8/default.nix
+++ b/pkgs/development/libraries/qt-4.x/4.8/default.nix
@@ -173,6 +173,6 @@ stdenv.mkDerivation rec {
     description = "A cross-platform application framework for C++";
     license     = "GPL/LGPL";
     maintainers = with maintainers; [ lovek323 phreedom sander urkud ];
-    platforms   = platforms.all;
+    platforms   = platforms.linux;
   };
 }
diff --git a/pkgs/development/tools/misc/intltool/default.nix b/pkgs/development/tools/misc/intltool/default.nix
index b2a400a6189..c9bb661935a 100644
--- a/pkgs/development/tools/misc/intltool/default.nix
+++ b/pkgs/development/tools/misc/intltool/default.nix
@@ -27,7 +27,7 @@ stdenv.mkDerivation {
     homepage = "http://launchpad.net/intltool/";
     license = stdenv.lib.licenses.gpl2Plus;
     maintainers = [stdenv.lib.maintainers.raskin];
-    platforms = stdenv.lib.platforms.linux;
+    platforms = stdenv.lib.platforms.unix;
     inherit (s) version;
   };
 }
diff --git a/pkgs/top-level/release.nix b/pkgs/top-level/release.nix
index 7fa545a8f6d..cc62eaec86d 100644
--- a/pkgs/top-level/release.nix
+++ b/pkgs/top-level/release.nix
@@ -140,7 +140,6 @@ let
       gphoto2 = linux;
       gpm = linux;
       gprolog = linux;
-      gpsbabel = all;
       gpscorrelate = linux;
       gpsd = linux;
       gqview = gtkSupported;
@@ -212,7 +211,6 @@ let
       mysql = linux;
       mysql51 = linux;
       mysql55 = linux;
-      namazu = all;
       nano = allBut "i686-cygwin";
       ncat = linux;
       netcat = all;