diff --git a/pkgs/system/populate-cache.nix b/pkgs/system/populate-cache.nix
index f11012bfcb7..7117263ba91 100644
--- a/pkgs/system/populate-cache.nix
+++ b/pkgs/system/populate-cache.nix
@@ -33,8 +33,8 @@ let {
     aterm
     strategoxt
     xdoc
-    ghc
-    helium
+#    ghc
+#    helium
     perl
     python
     libxml2