diff --git a/pkgs/development/compilers/ghcjs-ng/8.6/dep-overrides.nix b/pkgs/development/compilers/ghcjs-ng/8.6/dep-overrides.nix
index c2f2cb3b81a..bbf8a579919 100644
--- a/pkgs/development/compilers/ghcjs-ng/8.6/dep-overrides.nix
+++ b/pkgs/development/compilers/ghcjs-ng/8.6/dep-overrides.nix
@@ -1,4 +1,4 @@
-{ lib, haskellLib, fetchFromGitHub }:
+{ haskellLib }:
 
 let inherit (haskellLib) doJailbreak dontHaddock dontCheck;
 in self: super: {