1 files changed, 1 insertions, 2 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/composite_test.rb b/activerecord/test/cases/adapters/postgresql/composite_test.rb
index 68b9e6daf7..f01717d1a7 100644
--- a/activerecord/test/cases/adapters/postgresql/composite_test.rb
+++ b/activerecord/test/cases/adapters/postgresql/composite_test.rb
@@ -83,9 +83,8 @@ end
 class PostgresqlCompositeWithCustomOIDTest < ActiveRecord::TestCase
   include PostgresqlCompositeBehavior
 
-  class FullAddressType
+  class FullAddressType < ActiveRecord::ConnectionAdapters::Type::Value
     def type; :full_address end
-    def simplified_type(sql_type); type end
 
     def type_cast(value)
       if value =~ /\("?([^",]*)"?,"?([^",]*)"?\)/