diff --git a/src/main/kotlin/roomescape/payment/business/PaymentService.kt b/src/main/kotlin/roomescape/payment/business/PaymentService.kt
index a6b30c41..9ed0ccaf 100644
--- a/src/main/kotlin/roomescape/payment/business/PaymentService.kt
+++ b/src/main/kotlin/roomescape/payment/business/PaymentService.kt
@@ -22,6 +22,14 @@ class PaymentService(
     private val paymentFinder: PaymentFinder,
     private val paymentWriter: PaymentWriter
 ) {
+    @Transactional(readOnly = true)
+    fun existsByReservationId(reservationId: Long): Boolean {
+        log.info { "[PaymentService.existsByReservationId] 시작: reservationId=$reservationId" }
+
+        return paymentFinder.existsPaymentByReservationId(reservationId)
+            .also { log.info { "[PaymentService.existsByReservationId] 완료: reservationId=$reservationId, isPaid=$it" } }
+    }
+
     @Transactional
     fun createPayment(
         approvedPaymentInfo: PaymentApproveResponse,
@@ -41,14 +49,6 @@ class PaymentService(
             .also { log.info { "[PaymentService.createPayment] 완료: paymentKey=${it.paymentKey}, reservationId=${reservation.id}, paymentId=${it.id}" } }
     }
 
-    @Transactional(readOnly = true)
-    fun existsByReservationId(reservationId: Long): Boolean {
-        log.info { "[PaymentService.isReservationPaid] 시작: reservationId=$reservationId" }
-
-        return paymentFinder.existsPaymentByReservationId(reservationId)
-            .also { log.info { "[PaymentService.isReservationPaid] 완료: reservationId=$reservationId, isPaid=$it" } }
-    }
-
     @Transactional
     fun createCanceledPayment(
         canceledPaymentInfo: PaymentCancelResponse,
@@ -72,7 +72,7 @@ class PaymentService(
 
     @Transactional
     fun createCanceledPayment(reservationId: Long): PaymentCancelRequest {
-        log.info { "[PaymentService.createCanceledPaymentByReservationId] 시작: reservationId=$reservationId" }
+        log.info { "[PaymentService.createCanceledPayment] 시작: reservationId=$reservationId" }
 
         val payment: PaymentEntity = paymentFinder.findByReservationId(reservationId)
         val canceled: CanceledPaymentEntity = paymentWriter.createCanceled(
@@ -82,7 +82,7 @@ class PaymentService(
         )
 
         return PaymentCancelRequest(canceled.paymentKey, canceled.cancelAmount, canceled.cancelReason)
-            .also { log.info { "[PaymentService.createCanceledPaymentByReservationId] 완료: reservationId=$reservationId, paymentKey=${it.paymentKey}" } }
+            .also { log.info { "[PaymentService.createCanceledPayment] 완료: reservationId=$reservationId, paymentKey=${it.paymentKey}" } }
     }
 
     @Transactional