diff --git a/home-manager/progs/zen/default.nix b/home-manager/progs/zen/default.nix
index e1c2e5a..5386a26 100644
--- a/home-manager/progs/zen/default.nix
+++ b/home-manager/progs/zen/default.nix
@@ -89,6 +89,10 @@ in
         # https://github.com/nix-community/home-manager/issues/6083
         "services.sync.engine.prefs" = false;
         "services.sync.engine.addons" = false;
+        # disable built-in password manager — using bitwarden
+        "signon.rememberSignons" = false;
+        "signon.autofillForms" = false;
+        "signon.management.page.breach-alerts.enabled" = false;
       };
     };
   };