Unused method parameter

but keeping the method signature compatible... or can we just remove this??

kaminari-activerecord/lib/kaminari/activerecord/active_record_relation_methods.rb

@@ -9,7 +9,7 @@ module Kaminari
       super
     end
 
-    def total_count(column_name = :all, options = nil) #:nodoc:
+    def total_count(column_name = :all, _options = nil) #:nodoc:
       # #count overrides the #select which could include generated columns referenced in #order, so skip #order here, where it's irrelevant to the result anyway
       @total_count ||= begin
         c = except(:offset, :limit, :order)