diff --git a/pkgs/development/haskell-modules/generic-stack-builder.nix b/pkgs/development/haskell-modules/generic-stack-builder.nix
index 1a16cf3683fe..53772b90dfb7 100644
--- a/pkgs/development/haskell-modules/generic-stack-builder.nix
+++ b/pkgs/development/haskell-modules/generic-stack-builder.nix
@@ -37,7 +37,6 @@ stdenv.mkDerivation (args // {
 
   configurePhase = args.configurePhase or ''
     export STACK_ROOT=$NIX_BUILD_TOP/.stack
-    stack setup
   '';
 
   buildPhase = args.buildPhase or "stack build";