--- ./mysql-test/main/alter_table.result	2020-02-27 19:35:41.279992329 +0300
+++ ./mysql-test/main/alter_table,aria.reject	2020-02-27 19:37:13.251994491 +0300
@@ -2716,8 +2716,7 @@
 t3	CREATE TABLE `t3` (
   `a` int(11) DEFAULT NULL,
   `b` int(11) DEFAULT NULL,
-  KEY `b` (`b`),
-  CONSTRAINT `t3_ibfk_1` FOREIGN KEY (`b`) REFERENCES `t1` (`bb`)
+  KEY `b` (`b`)
 ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1
 ALTER TABLE t1 RENAME COLUMN bb TO b;
 SHOW CREATE TABLE t1;
@@ -2733,8 +2732,7 @@
 t3	CREATE TABLE `t3` (
   `a` int(11) DEFAULT NULL,
   `c` int(11) DEFAULT NULL,
-  KEY `b` (`c`),
-  CONSTRAINT `t3_ibfk_1` FOREIGN KEY (`c`) REFERENCES `t1` (`b`)
+  KEY `b` (`c`)
 ) ENGINE=DEFAULT_ENGINE DEFAULT CHARSET=latin1
 CREATE TABLE t4(a int);
 ALTER TABLE t4 RENAME COLUMN a TO aa, ALGORITHM = INPLACE;