diff --git a/pkgs/applications/editors/neovim/utils.nix b/pkgs/applications/editors/neovim/utils.nix
index 8669a4849aba..4897134ef811 100644
--- a/pkgs/applications/editors/neovim/utils.nix
+++ b/pkgs/applications/editors/neovim/utils.nix
@@ -312,5 +312,5 @@ in
   inherit buildNeovimPlugin;
 }
 // lib.optionalAttrs config.allowAliases {
-  buildNeovimPluginFrom2Nix = lib.warn "buildNeovimPluginFrom2Nix was renamed to buildNeovimPlugin" buildNeovimPlugin;
+  buildNeovimPluginFrom2Nix = throw "buildNeovimPluginFrom2Nix was renamed to buildNeovimPlugin" buildNeovimPlugin; # converted to throw on 2025-12-30
 }