diff --git a/src/main/resources/schema/region-data.sql b/src/main/resources/schema/region-data.sql
index dfb041f1..420fcfda 100644
--- a/src/main/resources/schema/region-data.sql
+++ b/src/main/resources/schema/region-data.sql
@@ -1,5 +1,3 @@
-CREATE UNIQUE INDEX IF NOT EXISTS idx_region_sido_sigungu_dong ON region(sido_code, sigungu_code, dong_code);
-
 INSERT INTO region (code, sido_code, sigungu_code, dong_code, sido_name, sigungu_name, dong_name)
 VALUES ('1111010100', '11', '110', '10100', '서울특별시', '종로구', '청운동'),
        ('1111010200', '11', '110', '10200', '서울특별시', '종로구', '신교동'),