diff --git a/pkgs/development/libraries/haskell/haskell-src/1.0.1.3.nix b/pkgs/development/libraries/haskell/haskell-src/1.0.1.3.nix
deleted file mode 100644
index e2e5ffa304d5..000000000000
--- a/pkgs/development/libraries/haskell/haskell-src/1.0.1.3.nix
+++ /dev/null
@@ -1,16 +0,0 @@
-# This file was auto-generated by cabal2nix. Please do NOT edit manually!
-
-{ cabal, happy }:
-
-cabal.mkDerivation (self: {
-  pname = "haskell-src";
-  version = "1.0.1.3";
-  sha256 = "a7872900acd2293775a6bdc6dc8f70438ccd80e62d2d1e2394ddff15b1883e89";
-  buildTools = [ happy ];
-  meta = {
-    description = "Manipulating Haskell source code";
-    license = self.stdenv.lib.licenses.bsd3;
-    platforms = self.ghc.meta.platforms;
-    hydraPlatforms = self.stdenv.lib.platforms.none;
-  };
-})
diff --git a/pkgs/development/libraries/haskell/haskell-src/1.0.1.4.nix b/pkgs/development/libraries/haskell/haskell-src/1.0.1.4.nix
deleted file mode 100644
index 54decb79f2b5..000000000000
--- a/pkgs/development/libraries/haskell/haskell-src/1.0.1.4.nix
+++ /dev/null
@@ -1,17 +0,0 @@
-# This file was auto-generated by cabal2nix. Please do NOT edit manually!
-
-{ cabal, happy, syb }:
-
-cabal.mkDerivation (self: {
-  pname = "haskell-src";
-  version = "1.0.1.4";
-  sha256 = "02h33d7970641p9vi62sgcxb5v4yaz8xx9vf2yxyvxs3hglm7f0j";
-  buildDepends = [ syb ];
-  buildTools = [ happy ];
-  meta = {
-    description = "Support for manipulating Haskell source code";
-    license = self.stdenv.lib.licenses.bsd3;
-    platforms = self.ghc.meta.platforms;
-    hydraPlatforms = self.stdenv.lib.platforms.none;
-  };
-})
diff --git a/pkgs/development/libraries/haskell/haskell-src/1.0.1.5.nix b/pkgs/development/libraries/haskell/haskell-src/1.0.1.5.nix
deleted file mode 100644
index 02032c21120b..000000000000
--- a/pkgs/development/libraries/haskell/haskell-src/1.0.1.5.nix
+++ /dev/null
@@ -1,18 +0,0 @@
-# This file was auto-generated by cabal2nix. Please do NOT edit manually!
-
-{ cabal, happy, syb }:
-
-cabal.mkDerivation (self: {
-  pname = "haskell-src";
-  version = "1.0.1.5";
-  sha256 = "1ay3i2sbrp0pzg6fagg8gqrwq5lcnm5jb5sr11frbk274a82cdwz";
-  buildDepends = [ syb ];
-  buildTools = [ happy ];
-  preConfigure = "runhaskell Setup.hs clean";
-  meta = {
-    description = "Support for manipulating Haskell source code";
-    license = self.stdenv.lib.licenses.bsd3;
-    platforms = self.ghc.meta.platforms;
-    maintainers = [ self.stdenv.lib.maintainers.andres ];
-  };
-})
diff --git a/pkgs/development/libraries/haskell/haskell-src/1.0.1.6.nix b/pkgs/development/libraries/haskell/haskell-src/default.nix
similarity index 100%
rename from pkgs/development/libraries/haskell/haskell-src/1.0.1.6.nix
rename to pkgs/development/libraries/haskell/haskell-src/default.nix
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 0e4578806de8..93adaf1dde15 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -1083,11 +1083,7 @@ self : let callPackage = x : y : modifyPrio (newScope self x y); in
 
   haskellPackages = callPackage ../development/libraries/haskell/haskell-packages {};
 
-  haskellSrc_1_0_1_3 = callPackage ../development/libraries/haskell/haskell-src/1.0.1.3.nix {};
-  haskellSrc_1_0_1_4 = callPackage ../development/libraries/haskell/haskell-src/1.0.1.4.nix {};
-  haskellSrc_1_0_1_5 = callPackage ../development/libraries/haskell/haskell-src/1.0.1.5.nix {};
-  haskellSrc_1_0_1_6 = callPackage ../development/libraries/haskell/haskell-src/1.0.1.6.nix {};
-  haskellSrc = self.haskellSrc_1_0_1_6;
+  haskellSrc = callPackage ../development/libraries/haskell/haskell-src {};
 
   haskellSrcExts_1_15_0_1 = callPackage ../development/libraries/haskell/haskell-src-exts/1.15.0.1.nix {};
   haskellSrcExts_1_16_0_1 = callPackage ../development/libraries/haskell/haskell-src-exts/1.16.0.1.nix {};