1 files changed, 2 insertions, 2 deletions

diff --git a/shell.nix b/shell.nix
index b0c7043..c6a98c9 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,9 +1,9 @@
 { pkgs ? (import <nixpkgs> {})
-, haskellPackages ? (import ./default.nix { inherit pkgs; }).haskellPackages.override { overrides = self: super: { mkDerivation = args : super.mkDerivation (args // { enableLibraryProfiling = true; }); }; }
+, haskellPackages ? (import ./default.nix { inherit pkgs; }).haskellPackages
 }:
 
 let
-  ghc = haskellPackages.ghcWithPackages (ps: payload ++ depends ++ (with ps; [ hlint cabal2nix cabal-install ]));
+  ghc = (haskellPackages.ghcWithPackages (ps: (payload ++ depends ++ (with ps; [ hlint cabal2nix cabal-install ])))).override { ignoreCollisions = true; };
   payload = builtins.attrValues (import ./default.nix {});
   depends = builtins.concatLists (builtins.map (x: if builtins.hasAttr "nativeBuildInputs" x then x.nativeBuildInputs else []) (builtins.attrValues (import ./default.nix {})));
 in pkgs.stdenv.mkDerivation rec {