diff --git a/pkgs/top-level/haskell-defaults.nix b/pkgs/top-level/haskell-defaults.nix
index e7e206e2266..aa71d75f12e 100644
--- a/pkgs/top-level/haskell-defaults.nix
+++ b/pkgs/top-level/haskell-defaults.nix
@@ -111,7 +111,6 @@
       monadPar = self.monadPar_0_1_0_3;
       # deviating from Haskell platform here, to make some packages (notably statistics) compile
       jailbreakCabal = self.jailbreakCabal.override { Cabal = self.disableTest self.Cabal_1_14_0; };
-      cabal2nix = self.cabal2nix.override { Cabal = self.Cabal_1_16_0_3; hackageDb = self.hackageDb.override { Cabal = self.Cabal_1_16_0_3; }; };
     };
 
   # Abstraction for Haskell packages collections