RegisterXactCallback(removeTable, NULL);
 }
-
-#if PG_VERSION_NUM < 150000
-void _PG_fini(void);
-void
-_PG_fini(void)
-{
-       ExecutorEnd_hook = oldExecutorEndHook;
-#if PG_VERSION_NUM >= 90200
-       ProcessUtility_hook = oldProcessUtilityHook;
-#endif
-
-       if (excludeTables.tables)
-               free(excludeTables.tables);
-       if (includeTables.tables)
-               free(includeTables.tables);
-
-       excludeTables.tables = includeTables.tables = NULL;
-       excludeTables.nTables = includeTables.nTables = 0;
-}
-#endif