diff --git a/kallithea/templates/base/root.html b/kallithea/templates/base/root.html
--- a/kallithea/templates/base/root.html
+++ b/kallithea/templates/base/root.html
@@ -97,7 +97,6 @@
               pyroutes.register('toggle_following', "${h.url('toggle_following')}");
               pyroutes.register('changeset_info', "${h.url('changeset_info', repo_name='%(repo_name)s', revision='%(revision)s')}", ['repo_name', 'revision']);
               pyroutes.register('repo_size', "${h.url('repo_size', repo_name='%(repo_name)s')}", ['repo_name']);
-              pyroutes.register('changeset_comment_preview', "${h.url('changeset_comment_preview', repo_name='%(repo_name)s')}", ['repo_name']);
               pyroutes.register('repo_refs_data', "${h.url('repo_refs_data', repo_name='%(repo_name)s')}", ['repo_name']);
              });
         </script>