diff --git a/lib/active_remote/attributes.rb b/lib/active_remote/attributes.rb
index <HASH>..<HASH> 100644
--- a/lib/active_remote/attributes.rb
+++ b/lib/active_remote/attributes.rb
@@ -175,11 +175,6 @@ module ActiveRemote
         @attributes = attributes
       end
 
-      # Overrides ActiveModel::AttributeMethods to backport 3.2 fix
-      def instance_method_already_implemented?(method_name)
-        generated_attribute_methods.method_defined?(method_name)
-      end
-
     private
 
       # Expand an attribute name into its generated methods names
Remove patch for rails < <I>