diff --git a/dbutils.h b/dbutils.h
index 6cdccc21..ab449827 100644
--- a/dbutils.h
+++ b/dbutils.h
@@ -408,7 +408,6 @@ bool		has_passfile(void);
 bool		begin_transaction(PGconn *conn);
 bool		commit_transaction(PGconn *conn);
 bool		rollback_transaction(PGconn *conn);
-bool		check_cluster_schema(PGconn *conn);
 
 /* GUC manipulation functions */
 bool		set_config(PGconn *conn, const char *config_param, const char *config_value);