diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix
index 47bf367875c0..2d382e906325 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix
@@ -53,7 +53,6 @@ self: super: {
   hpc-coveralls = doJailbreak super.hpc-coveralls; # https://github.com/guillaume-nargeot/hpc-coveralls/issues/82
   http-api-data = doJailbreak super.http-api-data;
   persistent-sqlite = dontCheck super.persistent-sqlite;
-  psqueues = dontCheck super.psqueues;    # won't cope with QuickCheck 2.12.x
   system-fileio = dontCheck super.system-fileio;  # avoid dependency on broken "patience"
   unicode-transforms = dontCheck super.unicode-transforms;
   wl-pprint-extras = doJailbreak super.wl-pprint-extras; # containers >=0.4 && <0.6 is too tight; https://github.com/ekmett/wl-pprint-extras/issues/17