diff --git a/pkgs/development/libraries/haskell/vty/4.6.0.4.nix b/pkgs/development/libraries/haskell/vty/4.6.0.4.nix
deleted file mode 100644
index 55c73118446..00000000000
--- a/pkgs/development/libraries/haskell/vty/4.6.0.4.nix
+++ /dev/null
@@ -1,18 +0,0 @@
-{ cabal, deepseq, mtl, parallel, parsec, terminfo, utf8String }:
-
-cabal.mkDerivation (self: {
-  pname = "vty";
-  version = "4.6.0.4";
-  sha256 = "0kabssw3v7nglvsr687ppmdnnmii1q2g5zg8rxwi2hcmvnjx7567";
-  buildDepends = [ deepseq mtl parallel parsec terminfo utf8String ];
-  meta = {
-    homepage = "http://trac.haskell.org/vty/";
-    description = "A simple terminal access library";
-    license = self.stdenv.lib.licenses.bsd3;
-    platforms = self.ghc.meta.platforms;
-    maintainers = [
-      self.stdenv.lib.maintainers.andres
-      self.stdenv.lib.maintainers.simons
-    ];
-  };
-})
diff --git a/pkgs/development/libraries/haskell/vty/4.7.0.4.nix b/pkgs/development/libraries/haskell/vty/default.nix
similarity index 100%
rename from pkgs/development/libraries/haskell/vty/4.7.0.4.nix
rename to pkgs/development/libraries/haskell/vty/default.nix
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index b62bd4d3bab..d922b397c31 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -1283,13 +1283,9 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
 
   vectorSpace = callPackage ../development/libraries/haskell/vector-space {};
 
-  # vty_4_6_0_4 = callPackage ../development/libraries/haskell/vty/4.6.0.4.nix {
-  #   vector = self.vector_0_7_1;
-  # };
-  vty_4_7_0_4 = callPackage ../development/libraries/haskell/vty/4.7.0.4.nix {
+  vty = callPackage ../development/libraries/haskell/vty {
     vector = self.vector_0_7_1;
   };
-  vty = self.vty_4_7_0_4;
 
   wai = callPackage ../development/libraries/haskell/wai {};