diff --git a/pkgs/development/libraries/haskell/syb/0.3.3.nix b/pkgs/development/libraries/haskell/syb/0.3.3.nix
deleted file mode 100644
index 967bc75e5221..000000000000
--- a/pkgs/development/libraries/haskell/syb/0.3.3.nix
+++ /dev/null
@@ -1,16 +0,0 @@
-# This file was auto-generated by cabal2nix. Please do NOT edit manually!
-
-{ cabal }:
-
-cabal.mkDerivation (self: {
-  pname = "syb";
-  version = "0.3.3";
-  sha256 = "0jskxbnzariq2ahcymvjrp4bhl9cpflc1nh51whdl9axcrd5c901";
-  meta = {
-    homepage = "http://www.cs.uu.nl/wiki/GenericProgramming/SYB";
-    description = "Scrap Your Boilerplate";
-    license = self.stdenv.lib.licenses.bsd3;
-    platforms = self.ghc.meta.platforms;
-    hydraPlatforms = self.stdenv.lib.platforms.none;
-  };
-})
diff --git a/pkgs/development/libraries/haskell/syb/0.3.6.1.nix b/pkgs/development/libraries/haskell/syb/0.3.6.1.nix
deleted file mode 100644
index de9da0478892..000000000000
--- a/pkgs/development/libraries/haskell/syb/0.3.6.1.nix
+++ /dev/null
@@ -1,16 +0,0 @@
-# This file was auto-generated by cabal2nix. Please do NOT edit manually!
-
-{ cabal }:
-
-cabal.mkDerivation (self: {
-  pname = "syb";
-  version = "0.3.6.1";
-  sha256 = "1xyz6ahyvairzb5n1mrmryzrxrkd4m8ywxa6r6x5nqm2xa7zqv34";
-  meta = {
-    homepage = "http://www.cs.uu.nl/wiki/GenericProgramming/SYB";
-    description = "Scrap Your Boilerplate";
-    license = self.stdenv.lib.licenses.bsd3;
-    platforms = self.ghc.meta.platforms;
-    hydraPlatforms = self.stdenv.lib.platforms.none;
-  };
-})
diff --git a/pkgs/development/libraries/haskell/syb/0.3.7.nix b/pkgs/development/libraries/haskell/syb/0.3.7.nix
deleted file mode 100644
index 72f883e52432..000000000000
--- a/pkgs/development/libraries/haskell/syb/0.3.7.nix
+++ /dev/null
@@ -1,16 +0,0 @@
-# This file was auto-generated by cabal2nix. Please do NOT edit manually!
-
-{ cabal }:
-
-cabal.mkDerivation (self: {
-  pname = "syb";
-  version = "0.3.7";
-  sha256 = "0wysa348icabskih3k9xbmwaaw34hg58lpz3w3075942h650bx2r";
-  meta = {
-    homepage = "http://www.cs.uu.nl/wiki/GenericProgramming/SYB";
-    description = "Scrap Your Boilerplate";
-    license = self.stdenv.lib.licenses.bsd3;
-    platforms = self.ghc.meta.platforms;
-    hydraPlatforms = self.stdenv.lib.platforms.none;
-  };
-})
diff --git a/pkgs/development/libraries/haskell/syb/0.3.nix b/pkgs/development/libraries/haskell/syb/0.3.nix
deleted file mode 100644
index 355fd3671e41..000000000000
--- a/pkgs/development/libraries/haskell/syb/0.3.nix
+++ /dev/null
@@ -1,16 +0,0 @@
-# This file was auto-generated by cabal2nix. Please do NOT edit manually!
-
-{ cabal }:
-
-cabal.mkDerivation (self: {
-  pname = "syb";
-  version = "0.3";
-  sha256 = "1gnqw76zy7xvlabhbyk8hml88hpz2igf7b3mz2ic091f77qkkch7";
-  meta = {
-    homepage = "http://www.cs.uu.nl/wiki/GenericProgramming/SYB";
-    description = "Scrap Your Boilerplate";
-    license = self.stdenv.lib.licenses.bsd3;
-    platforms = self.ghc.meta.platforms;
-    hydraPlatforms = self.stdenv.lib.platforms.none;
-  };
-})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 2cc48820fe3c..6db10831ecc6 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -2306,10 +2306,6 @@ self : let callPackage = x : y : modifyPrio (newScope self x y); in
 
   stylishHaskell = callPackage ../development/libraries/haskell/stylish-haskell {};
 
-  syb_0_3 = callPackage ../development/libraries/haskell/syb/0.3.nix {};
-  syb_0_3_3 = callPackage ../development/libraries/haskell/syb/0.3.3.nix {};
-  syb_0_3_6_1 = callPackage ../development/libraries/haskell/syb/0.3.6.1.nix {};
-  syb_0_3_7 = callPackage ../development/libraries/haskell/syb/0.3.7.nix {};
   syb_0_4_0 = callPackage ../development/libraries/haskell/syb/0.4.0.nix {};
   syb_0_4_2 = callPackage ../development/libraries/haskell/syb/0.4.2.nix {};
   syb = self.syb_0_4_2;