diff --git a/pkgs/development/libraries/haskell/Shellac/Shellac-haskeline.nix b/pkgs/development/libraries/haskell/Shellac/Shellac-haskeline.nix
deleted file mode 100644
index 9f75a09ee690..000000000000
--- a/pkgs/development/libraries/haskell/Shellac/Shellac-haskeline.nix
+++ /dev/null
@@ -1,17 +0,0 @@
-{ cabal, haskeline, mtl, Shellac }:
-
-cabal.mkDerivation (self: {
-  pname = "Shellac-haskeline";
-  version = "0.2.0.1";
-  sha256 = "1xvs2ni83yyf7rx3ikmn2bkx20fyj03d03crqyyfw28mikhgv5br";
-  buildDepends = [ haskeline mtl Shellac ];
-  patchPhase = ''
-    sed -i -e 's|mtl>=1.1 && < 2.1|mtl|' Shellac-haskeline.cabal
-  '';
-  meta = {
-    description = "Haskeline backend module for Shellac";
-    license = self.stdenv.lib.licenses.bsd3;
-    platforms = self.ghc.meta.platforms;
-    maintainers = [ self.stdenv.lib.maintainers.andres ];
-  };
-})
diff --git a/pkgs/development/libraries/haskell/Shellac/Shellac-readline.nix b/pkgs/development/libraries/haskell/Shellac/Shellac-readline.nix
deleted file mode 100644
index a39ddf3383ec..000000000000
--- a/pkgs/development/libraries/haskell/Shellac/Shellac-readline.nix
+++ /dev/null
@@ -1,14 +0,0 @@
-{ cabal, readline, Shellac }:
-
-cabal.mkDerivation (self: {
-  pname = "Shellac-readline";
-  version = "0.9";
-  sha256 = "3edffecf2225c199f0a4df55e3685f7deee47755ae7f8d03f5da7fac3c2ab878";
-  buildDepends = [ readline Shellac ];
-  meta = {
-    description = "Readline backend module for Shellac";
-    license = self.stdenv.lib.licenses.bsd3;
-    platforms = self.ghc.meta.platforms;
-    maintainers = [ self.stdenv.lib.maintainers.andres ];
-  };
-})
diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 36e9984b8cce..67fef9ed23da 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -1400,10 +1400,6 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
 
   Shellac = callPackage ../development/libraries/haskell/Shellac/Shellac.nix {};
 
-  ShellacHaskeline = callPackage ../development/libraries/haskell/Shellac/Shellac-haskeline.nix {};
-
-  ShellacReadline = callPackage ../development/libraries/haskell/Shellac/Shellac-readline.nix {};
-
   show = callPackage ../development/libraries/haskell/show {};
 
   SMTPClient = callPackage ../development/libraries/haskell/SMTPClient {};