diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index cce3b04514ac..139fd6af3608 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -1506,9 +1506,6 @@ self: super: {
 
   data-tree-print = doJailbreak super.data-tree-print;
 
-  # 2020-11-15: aeson 1.5.4.1 needs to new quickcheck-instances for testing
-  aeson = dontCheck super.aeson;
-
   # 2020-11-15: nettle tests are pre MonadFail change
   # https://github.com/stbuehler/haskell-nettle/issues/10
   nettle = dontCheck super.nettle;