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 abfbe69568a..47bf367875c 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix
@@ -45,7 +45,6 @@ self: super: {
   unordered-containers = dontCheck super.unordered-containers;
 
   # Test suite does not compile.
-  cereal = dontCheck super.cereal;
   data-clist = doJailbreak super.data-clist;  # won't cope with QuickCheck 2.12.x
   dates = doJailbreak super.dates; # base >=4.9 && <4.12
   Diff = dontCheck super.Diff;