diff --git a/core/api_coupon.go b/core/api_coupon.go
index 23b99b7..6869838 100644
--- a/core/api_coupon.go
+++ b/core/api_coupon.go
@@ -345,12 +345,6 @@ func useCoupon(mongoClient gocommon.MongoClient, w http.ResponseWriter, r *http.
 		}
 	}
 
-	if coupon.Expire < time.Now().Unix() {
-		// 쿠폰 만료시간 경과
-		w.WriteHeader(http.StatusInternalServerError)
-		return
-	}
-
 	if len(coupon.Effect) == 0 {
 		// 쿠폰이 없네?
 		w.WriteHeader(http.StatusBadRequest)