diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 4307ffe0f25..c1f6a612879 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -1288,9 +1288,7 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
 
   epic = callPackage ../development/compilers/epic {};
 
-  flapjax = callPackage ../development/compilers/flapjax {
-    WebBits = self.WebBits_1_0;
-  };
+  flapjax = callPackage ../development/compilers/flapjax {};
 
   helium = callPackage ../development/compilers/helium {};