1 files changed, 1 insertions, 1 deletions
diff --git a/ext/ripper/tools/list-scan-event-ids.rb b/ext/ripper/tools/list-scan-event-ids.rb
index 28cd8bbe8a..670ae9ed09 100755
--- a/ext/ripper/tools/list-scan-event-ids.rb
+++ b/ext/ripper/tools/list-scan-event-ids.rb
@@ -17,7 +17,7 @@ def main
 end
 
 def extract_ids(f)
-  (f.read.scan(/ripper_id_(\w+)/).flatten - ['scan']).uniq
+  f.read.scan(/ripper_id_(\w+)/).flatten.uniq
 end
 
 main