diff --git a/mysql-test/suite/rpl/disabled.def b/mysql-test/suite/rpl/disabled.def
index 860afb147c8..57907210693 100644
--- a/mysql-test/suite/rpl/disabled.def
+++ b/mysql-test/suite/rpl/disabled.def
@@ -15,14 +15,3 @@ rpl_row_binlog_max_cache_size : MDEV-11092
 rpl_row_index_choice      : MDEV-11666
 rpl_auto_increment_update_failure  : disabled for now
 rpl_current_user          : waits for MDEV-22374 fix
-rpl_start_alter_1         : DEBUG_SYNC timeout
-rpl_start_alter_2         : DEBUG_SYNC timeout
-rpl_start_alter_3         : DEBUG_SYNC timeout
-rpl_start_alter_4         : DEBUG_SYNC timeout
-rpl_start_alter_5         : DEBUG_SYNC timeout
-rpl_start_alter_6         : DEBUG_SYNC timeout
-rpl_start_alter_7         : DEBUG_SYNC timeout
-rpl_start_alter_8         : DEBUG_SYNC timeout
-rpl_start_alter_mysqlbinlog_1 : DEBUG_SYNC timeout
-rpl_start_alter_mysqlbinlog_2 : DEBUG_SYNC timeout
-rpl_start_alter_restart_slave : DEBUG_SYNC timeout
diff --git a/sql/sql_table.cc b/sql/sql_table.cc
index 529b0461f92..acd15d3f911 100644
--- a/sql/sql_table.cc
+++ b/sql/sql_table.cc
@@ -7675,7 +7675,7 @@ static bool mysql_inplace_alter_table(THD *thd,
   THD_STAGE_INFO(thd, stage_alter_inplace);
   DBUG_EXECUTE_IF("start_alter_delay_master", {
     debug_sync_set_action(thd,
-                          STRING_WITH_LEN("now wait_for alter_cont"));
+                          STRING_WITH_LEN("now wait_for alter_cont NO_CLEAR_EVENT"));
       });
 
   /* We can abort alter table for any table type */
@@ -10856,7 +10856,7 @@ do_continue:;
 
   DBUG_EXECUTE_IF("start_alter_delay_master", {
     debug_sync_set_action(thd,
-                          STRING_WITH_LEN("now wait_for alter_cont"));
+                          STRING_WITH_LEN("now wait_for alter_cont NO_CLEAR_EVENT"));
       });
   // It's now safe to take the table level lock.
   if (lock_tables(thd, table_list, alter_ctx.tables_opened,