diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 766f7f793b5..4f9c32a1414 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -1113,17 +1113,6 @@ self: super: {
 
   socket_0_7_0_0 = super.socket_0_7_0_0.overrideScope (self: super: { QuickCheck = self.QuickCheck_2_9_2; });
 
-  # 0.5.6 invokes $PAGER in a way that crashes if there are args such as $PAGER="less -R"
-  ghc-core = overrideCabal super.ghc-core (drv: {
-    src = pkgs.fetchFromGitHub {
-      owner  = "shachaf";
-      repo   = "ghc-core";
-      rev    = "630196adf0bebf073328325302453ef1c409fd9a";
-      sha256 = "05jzpjy5zkri2faw5jnq5vh12mx58lrb0zfzz4h598miq2vc8848";
-    };
-    version = "2012-12-15";
-  });
-
   # Encountered missing dependencies: hspec >=1.3 && <2.1
   # https://github.com/rampion/ReadArgs/issues/8
   ReadArgs = doJailbreak super.ReadArgs;