diff --git a/spec/models/twitter_review.rb b/spec/models/twitter_review.rb
index <HASH>..<HASH> 100644
--- a/spec/models/twitter_review.rb
+++ b/spec/models/twitter_review.rb
@@ -1,6 +1,6 @@
 class TwitterReview < Review
   counter_culture :product, column_name: 'twitter_reviews_count'
-  counter_culture :user, column_name: 'review_value_sum', delta_magnitude: Proc.new {|model| model.weight}
+  counter_culture :user, column_name: 'review_value_sum', delta_magnitude: proc {|model| model.weight}
 
   counter_culture [:manages_company]
replace test code which use Proc.new