diff --git a/pkgs/development/haskell-modules/configuration-nix.nix b/pkgs/development/haskell-modules/configuration-nix.nix
index a6cfef6f45f6..3164d23ca53e 100644
--- a/pkgs/development/haskell-modules/configuration-nix.nix
+++ b/pkgs/development/haskell-modules/configuration-nix.nix
@@ -264,11 +264,13 @@ self: super: builtins.intersectAttrs super {
       }
     );
 
-  llvm-hs = super.llvm-hs.override { llvm-config = pkgs.llvm; };
-  llvm-hs_6_3_0 = super.llvm-hs_6_3_0.override {
-    llvm-config = pkgs.llvm_6;
-    llvm-hs-pure = super.llvm-hs-pure_6_2_1;
-  };
+  llvm-hs =
+      let dontCheckDarwin = if pkgs.stdenv.isDarwin
+                            then dontCheck
+                            else pkgs.lib.id;
+      in dontCheckDarwin (super.llvm-hs.override {
+        llvm-config = pkgs.llvm_6;
+      });
 
   # Needs help finding LLVM.
   spaceprobe = addBuildTool super.spaceprobe self.llvmPackages.llvm;