diff --git a/overlays/10-previews.nix b/overlays/10-previews.nix
index eebb5912..4b969310 100644
--- a/overlays/10-previews.nix
+++ b/overlays/10-previews.nix
@@ -4,8 +4,5 @@ in {
   inherit unstable;
   unstableHaskellPackages = unstable.haskellPackages;
   unstableGhc = unstable.ghc;
-  inherit (unstable) nix home-assistant vscode-extensions vscodium mumble cachix cabal2nix alejandra;
-  nix-output-monitor = super.haskell.lib.overrideCabal unstable.nix-output-monitor {
-    src = super.sources.nix-output-monitor;
-  };
+  inherit (unstable) nix home-assistant vscode-extensions vscodium mumble cachix cabal2nix alejandra nix-output-monitor;
 }