diff --git a/lib/ransack_ext.rb b/lib/ransack_ext.rb
index 2a8094dd571..e73b92a61f0 100644
--- a/lib/ransack_ext.rb
+++ b/lib/ransack_ext.rb
@@ -2,11 +2,11 @@
 # identically to the versions given in Ransack.
 #
 Ransack.configure do |config|
-  {'contains'=>'cont', 'starts_with'=>'start', 'ends_with'=>'end'}.each do |old,new|
-    config.add_predicate old, Ransack::Constants::DERIVED_PREDICATES.detect{ |q, args| q == new }[1]
+  {'contains'=>'cont', 'starts_with'=>'start', 'ends_with'=>'end'}.each do |old,current|
+    config.add_predicate old, Ransack::Constants::DERIVED_PREDICATES.detect{ |q, _| q == current }[1]
   end
 
-  {'equals'=>'eq', 'greater_than'=>'gt', 'less_than'=>'lt'}.each do |old,new|
-    config.add_predicate old, arel_predicate: new
+  {'equals'=>'eq', 'greater_than'=>'gt', 'less_than'=>'lt'}.each do |old,current|
+    config.add_predicate old, arel_predicate: current
   end
 end