diff --git a/pkgs/development/compilers/ghc/6.10.4.nix b/pkgs/development/compilers/ghc/6.10.4.nix
index ee7ca20ddf7..d8157673fbc 100644
--- a/pkgs/development/compilers/ghc/6.10.4.nix
+++ b/pkgs/development/compilers/ghc/6.10.4.nix
@@ -23,6 +23,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = "http://haskell.org/ghc";
     description = "The Glasgow Haskell Compiler";
-    inherit (ghc.meta) license platforms;
+    platforms = ["x86_64-linux" "i686-linux"];  # Darwin is unsupported.
+    inherit (ghc.meta) license;
   };
 }
diff --git a/pkgs/development/compilers/ghc/6.12.3.nix b/pkgs/development/compilers/ghc/6.12.3.nix
index 2364fe1d5b9..f6beaf3a006 100644
--- a/pkgs/development/compilers/ghc/6.12.3.nix
+++ b/pkgs/development/compilers/ghc/6.12.3.nix
@@ -37,6 +37,7 @@ stdenv.mkDerivation rec {
     homepage = "http://haskell.org/ghc";
     description = "The Glasgow Haskell Compiler";
     maintainers = with stdenv.lib.maintainers; [ marcweber andres simons ];
-    inherit (ghc.meta) license platforms;
+    platforms = ["x86_64-linux" "i686-linux"];  # Darwin is unsupported.
+    inherit (ghc.meta) license;
   };
 }
diff --git a/pkgs/development/compilers/ghc/7.0.4.nix b/pkgs/development/compilers/ghc/7.0.4.nix
index 9e61be7b47f..c28359af16f 100644
--- a/pkgs/development/compilers/ghc/7.0.4.nix
+++ b/pkgs/development/compilers/ghc/7.0.4.nix
@@ -45,13 +45,13 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = "http://haskell.org/ghc";
     description = "The Glasgow Haskell Compiler";
-    broken = stdenv.isDarwin;
     maintainers = [
       stdenv.lib.maintainers.marcweber
       stdenv.lib.maintainers.andres
       stdenv.lib.maintainers.simons
     ];
-    platforms = ["x86_64-linux" "i686-linux" "i686-darwin" "x86_64-darwin"];
+    platforms = ["x86_64-linux" "i686-linux"];  # Darwin is not supported.
+    inherit (ghc.meta) license;
   };
 
 }
diff --git a/pkgs/development/compilers/ghc/7.2.2.nix b/pkgs/development/compilers/ghc/7.2.2.nix
index 778b47afde7..651cf200a8d 100644
--- a/pkgs/development/compilers/ghc/7.2.2.nix
+++ b/pkgs/development/compilers/ghc/7.2.2.nix
@@ -45,13 +45,13 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = "http://haskell.org/ghc";
     description = "The Glasgow Haskell Compiler";
-    broken = stdenv.isDarwin;
     maintainers = [
       stdenv.lib.maintainers.marcweber
       stdenv.lib.maintainers.andres
       stdenv.lib.maintainers.simons
     ];
-    inherit (ghc.meta) license platforms;
+    platforms = ["x86_64-linux" "i686-linux"];  # Darwin is unsupported.
+    inherit (ghc.meta) license;
   };
 
 }