diff --git a/loopback/locale/en.json b/loopback/locale/en.json
index 875f06e3b..352e08826 100644
--- a/loopback/locale/en.json
+++ b/loopback/locale/en.json
@@ -235,7 +235,6 @@
 	"Cannot add holidays on this day": "Cannot add holidays on this day",
 	"Cannot send mail": "Cannot send mail",
 	"CONSTRAINT `chkParkingCodeFormat` failed for `vn`.`parking`": "CONSTRAINT `chkParkingCodeFormat` failed for `vn`.`parking`",
-	"This postcode already exists": "This postcode already exists",
 	"Original invoice not found": "Original invoice not found",
 	"There is already a tray with the same height": "There is already a tray with the same height",
 	"The height must be greater than 50cm": "The height must be greater than 50cm",