diff --git a/panel/nix/overlay.nix b/panel/nix/overlay.nix
index 3265f5e4..cbb7b8eb 100644
--- a/panel/nix/overlay.nix
+++ b/panel/nix/overlay.nix
@@ -1,12 +1,9 @@
 /**
   Nixpkgs overlay adding extra packages needed for the application
 */
-{
-  sources ? import ../../npins,
-}:
 _: prev:
 let
-  extraPython3Packages = prev.callPackage ./python-packages { inherit sources; };
+  extraPython3Packages = prev.callPackage ./python-packages { };
 
 in
 {