don't need to eval everything

actionpack/lib/action_dispatch/routing/route_set.rb

@@ -185,8 +185,8 @@ def define_named_route_methods(name, route)
           #   foo_url(bar, baz, bang, sort_by: 'baz')
           #
           def define_url_helper(route, name, options)
+            @module.remove_possible_method name
             @module.module_eval <<-END_EVAL, __FILE__, __LINE__ + 1
-              remove_possible_method :#{name}
               def #{name}(*args)
                 if #{optimize_helper?(route)} && args.size == #{route.required_parts.size} && !args.last.is_a?(Hash) && optimize_routes_generation?
                   options = #{options.inspect}