diff --git a/lib/liquid/template.rb b/lib/liquid/template.rb
index 4617e1e8..87f1491c 100644
--- a/lib/liquid/template.rb
+++ b/lib/liquid/template.rb
@@ -73,8 +73,6 @@ module Liquid
       self
     end
 
-    # memoize because the warnings operation
-    # could be expensive.
     def warnings
       return [] unless @root
       @warnings ||= @root.warnings