diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b98163ab4c3..8b03912c3b1 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8800,9 +8800,7 @@ in
     texinfo = texinfo4;
   };
 
-  mueval = callPackage ../development/tools/haskell/mueval {
-    haskellPackages = haskell.packages.lts;
-  };
+  mueval = callPackage ../development/tools/haskell/mueval { };
 
   muparser = callPackage ../development/libraries/muparser { };
 
@@ -9247,7 +9245,6 @@ in
 
   lambdabot = callPackage ../development/tools/haskell/lambdabot {
     haskell-lib = haskell.lib;
-    haskellPackages = haskell.packages.lts;
   };
 
   leksah = callPackage ../development/tools/haskell/leksah {