Don't need to force size to nil

actionpack/lib/action_view/helpers/tags/date_field.rb

@@ -5,7 +5,6 @@ module ActionView
         def render
           options = @options.stringify_keys
           options["value"] = @options.fetch("value") { value(object).try(:to_date) }
-          options["size"] = nil
           @options = options
           super
         end

actionpack/lib/action_view/helpers/tags/file_field.rb

@@ -2,10 +2,6 @@ module ActionView
   module Helpers
     module Tags
       class FileField < TextField #:nodoc:
-        def render
-          @options.update(:size => nil)
-          super
-        end
       end
     end
   end

actionpack/lib/action_view/helpers/tags/hidden_field.rb

@@ -2,10 +2,6 @@ module ActionView
   module Helpers
     module Tags
       class HiddenField < TextField #:nodoc:
-        def render
-          @options.update(:size => nil)
-          super
-        end
       end
     end
   end

actionpack/lib/action_view/helpers/tags/number_field.rb

@@ -4,7 +4,6 @@ module ActionView
       class NumberField < TextField #:nodoc:
         def render
           options = @options.stringify_keys
-          options['size'] ||= nil
 
           if range = options.delete("in") || options.delete("within")
             options.update("min" => range.min, "max" => range.max)