diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 3e043aba7b8..3d391609d94 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -16678,8 +16678,6 @@ EOF
     };
   };
 
-  redNotebook = pkgs.rednotebook; # Backwards compatibility alias.
-
   uncertainties = callPackage ../development/python-modules/uncertainties { };
 
   funcy = buildPythonPackage rec {