diff --git a/core/data/schema/versions/SDBT_4_rollback.sql b/core/data/schema/versions/SDBT_4_rollback.sql
new file mode 100644
index 0000000..90a0e4f
--- /dev/null
+++ b/core/data/schema/versions/SDBT_4_rollback.sql
@@ -0,0 +1,12 @@
+SET FOREIGN_KEY_CHECKS = 0;
+
+ALTER TABLE chuni_score_playlog
+  CHANGE COLUMN isClear isClear TINYINT(1) NULL DEFAULT NULL;
+
+ALTER TABLE aime.chuni_score_best
+  CHANGE COLUMN isSuccess isSuccess TINYINT(1) NULL DEFAULT NULL ;
+
+ALTER TABLE chuni_score_playlog
+  DROP COLUMN ticketId;
+
+SET FOREIGN_KEY_CHECKS = 1;
\ No newline at end of file