diff --git a/nixos/modules/services/mail/mailman.nix b/nixos/modules/services/mail/mailman.nix
index e3c014a6c6557..3aa1c65a8d268 100644
--- a/nixos/modules/services/mail/mailman.nix
+++ b/nixos/modules/services/mail/mailman.nix
@@ -80,6 +80,9 @@ in {
     (lib.mkRemovedOptionModule [ "services" "mailman" "package" ] ''
       Didn't have an effect for several years.
     '')
+    (lib.mkRemovedOptionModule [ "services" "mailman" "extraPythonPackages" ] ''
+      Didn't have an effect for several years.
+    '')
   ];
 
   options = {
@@ -282,12 +285,6 @@ in {
         };
       };
 
-      extraPythonPackages = lib.mkOption {
-        description = "Packages to add to the python environment used by mailman and mailman-web";
-        type = lib.types.listOf lib.types.package;
-        default = [];
-      };
-
       settings = lib.mkOption {
         description = "Settings for mailman.cfg";
         type = lib.types.attrsOf (lib.types.attrsOf lib.types.str);