diff --git a/pkgs/development/haskell-modules/configuration-ghc-7.8.x.nix b/pkgs/development/haskell-modules/configuration-ghc-7.8.x.nix
index 4b1d9df24e4..99bac5ae5a0 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-7.8.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-7.8.x.nix
@@ -84,10 +84,6 @@ self: super: {
   seqid = super.seqid_0_1_0;
   seqid-streams = super.seqid-streams_0_1_0;
 
-  # Need binary >= 0.7.2, but our compiler has only 0.7.1.0.
-  hosc = super.hosc.overrideScope (self: super: { binary = self.binary_0_7_6_1; });
-  tidal-midi = super.tidal-midi.overrideScope (self: super: { binary = self.binary_0_7_6_1; });
-
   # These packages need mtl 2.2.x directly or indirectly via dependencies.
   amazonka = markBroken super.amazonka;
   apiary-purescript = markBroken super.apiary-purescript;