diff --git a/lib/arjdbc/mysql/adapter.rb b/lib/arjdbc/mysql/adapter.rb
index <HASH>..<HASH> 100644
--- a/lib/arjdbc/mysql/adapter.rb
+++ b/lib/arjdbc/mysql/adapter.rb
@@ -240,23 +240,6 @@ module ArJdbc
       end
     end
 
-    # DATABASE STATEMENTS ======================================
-
-    # @override
-    def exec_insert(sql, name, binds, pk = nil, sequence_name = nil)
-      execute sql, name, binds
-    end
-
-    # @override
-    def exec_update(sql, name, binds)
-      execute sql, name, binds
-    end
-
-    # @override
-    def exec_delete(sql, name, binds)
-      execute sql, name, binds
-    end
-
     # @override make it public just like native MySQL adapter does
     def update_sql(sql, name = nil)
       super
[mysql] use prepared statement support with AR's exec_xxx methods