1 files changed, 0 insertions, 4 deletions
diff --git a/activerecord/lib/active_record/attribute_methods/write.rb b/activerecord/lib/active_record/attribute_methods/write.rb
index eb585ee906..b605c09889 100644
--- a/activerecord/lib/active_record/attribute_methods/write.rb
+++ b/activerecord/lib/active_record/attribute_methods/write.rb
@@ -17,10 +17,6 @@ module ActiveRecord
                 write_attribute(attr_name, new_value)
               end
             end
-
-            if attr_name == primary_key && attr_name != "id"
-              generated_attribute_methods.module_eval("alias :id= :'#{primary_key}='")
-            end
           end
       end