diff --git a/git-review b/git-review
index da012f4..05a1bea 100755
--- a/git-review
+++ b/git-review
@@ -487,7 +487,6 @@ def get_branch_name(target_branch):
 
 
 def assert_one_change(remote, branch, yes, have_hook):
-    branch_name = get_branch_name(branch)
     has_color = check_color_support()
     if has_color:
         color = git_config_get_value("color", "ui").lower()