diff --git a/lib/liquid/tags/cycle.rb b/lib/liquid/tags/cycle.rb
index f403199..ad116a6 100644
--- a/lib/liquid/tags/cycle.rb
+++ b/lib/liquid/tags/cycle.rb
@@ -30,7 +30,7 @@ module Liquid
     end
 
     def render(context)
-      context.registers[:cycle] ||= Hash.new
+      context.registers[:cycle] ||= {}
 
       context.stack do
         key = context.evaluate(@name)
diff --git a/lib/liquid/tags/for.rb b/lib/liquid/tags/for.rb
index a3566ad..d8e0852 100644
--- a/lib/liquid/tags/for.rb
+++ b/lib/liquid/tags/for.rb
@@ -120,7 +120,7 @@ module Liquid
     private
 
     def collection_segment(context)
-      offsets = context.registers[:for] ||= Hash.new
+      offsets = context.registers[:for] ||= {}
 
       from = if @from == :continue
         offsets[@name].to_i