diff --git a/home/dln/home.nix b/home/dln/home.nix
index 53efd83..e3385c2 100644
--- a/home/dln/home.nix
+++ b/home/dln/home.nix
@@ -117,7 +117,6 @@ in
 
       "revset-aliases" = {
         # Prevent rewriting commits on main@origin and commits authored by other users;
-        "immutable_heads()" = "main@origin | (main@origin.. & ~mine())";
         "user(x)" = "author(x) | committer(x)";
         "trunk()" = "latest((present(main) | present(master)) & remote_branches())";
         "open" = "(mine() ~ ::trunk()) ~ heads(empty())";