diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
index e6f5a8c1f5ca..aad21b5817a6 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
@@ -159,4 +159,5 @@ self: super: {
     sha256 = "0a3159rnaw6shjzdm46799crd4pxh33s23qy51xa7z6nv5q8wsb5";
   });
   tls = self.tls_1_5_1;
+  vault = dontHaddock super.vault;
 }