diff --git a/app/models/cost_query/group_by/ruby_aggregation.rb b/app/models/cost_query/group_by/ruby_aggregation.rb
deleted file mode 100644
index 3998dfc1bd..0000000000
--- a/app/models/cost_query/group_by/ruby_aggregation.rb
+++ /dev/null
@@ -1,13 +0,0 @@
-module CostQuery::GroupBy
-  module RubyAggregation
-    def responsible_for_sql?
-      false
-    end
-
-    ##
-    # @return [CostQuery::Result] aggregation
-    def compute_result
-      child.result.grouped_by(all_group_fields(false), type, group_fields)
-    end
-  end
-end
\ No newline at end of file