diff --git a/pkgs/system/populate-cache.nix b/pkgs/system/populate-cache.nix
index 3df4d96039c8..f9d7fda968ee 100644
--- a/pkgs/system/populate-cache.nix
+++ b/pkgs/system/populate-cache.nix
@@ -56,8 +56,8 @@ let {
     nxml
     uml
     nix
-    ocaml
-    hevea
+#    ocaml
+#    hevea
   ;};