diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index f177bdb6a13..e4f4684fb9d 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -175,9 +175,6 @@ self: super: {
   wai-test = dontHaddock super.wai-test;
   zlib-conduit = dontHaddock super.zlib-conduit;
 
-  # The test suite won't even start.
-  darcs = dontCheck super.darcs;
-
   # https://github.com/massysett/rainbox/issues/1
   rainbox = dontCheck super.rainbox;