diff --git a/app/models/concerns/rating_average.rb b/app/models/concerns/rating_average.rb
index bad6243..f6af173 100644
--- a/app/models/concerns/rating_average.rb
+++ b/app/models/concerns/rating_average.rb
@@ -7,7 +7,7 @@ module RatingAverage
     elsif instance_of?(Brewery)
       # creates empty arrays for beers that have no ratings
       # + wraps the array in an array
-      ratings = beers.map { |b| b.ratings }.reject(&:blank?)[0]
+      ratings = beers.map(&:b.ratings).reject(&:blank?)[0]
     elsif instance_of?(User)
       ratings = self.ratings
     else
@@ -16,14 +16,14 @@ module RatingAverage
 
     return 0 unless ratings.count > 0
 
-    ratings.map { |r| r.score }.sum / ratings.count.to_f
+    ratings.map(&:r.score).sum / ratings.count.to_f
   end
 
   def count_ratings
     if instance_of?(Beer) || User
       ratings.count
     elsif instance_of?(Brewery)
-      beers.map { |b| b.ratings.count }.sum
+      beers.map(&:ratings.count).sum
     else
       raise "Wrong class type for counting ratings, #{self.class}"
     end