diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc
index e9909237897..85999cf3e59 100644
--- a/storage/innobase/handler/ha_innodb.cc
+++ b/storage/innobase/handler/ha_innodb.cc
@@ -2596,7 +2596,6 @@ innobase_alter_table_flags(
 	return(HA_INPLACE_ADD_INDEX_NO_READ_WRITE
 		| HA_INPLACE_DROP_INDEX_NO_READ_WRITE
 		| HA_INPLACE_ADD_UNIQUE_INDEX_NO_READ_WRITE
-		| HA_INPLACE_ADD_UNIQUE_INDEX_NO_WRITE
 		| HA_INPLACE_DROP_UNIQUE_INDEX_NO_READ_WRITE
 		| HA_INPLACE_ADD_PK_INDEX_NO_READ_WRITE);
 }