diff --git a/src/main/kotlin/roomescape/auth/business/AuthService.kt b/src/main/kotlin/roomescape/auth/business/AuthService.kt
index 21619524..bf648349 100644
--- a/src/main/kotlin/roomescape/auth/business/AuthService.kt
+++ b/src/main/kotlin/roomescape/auth/business/AuthService.kt
@@ -21,8 +21,8 @@ class AuthService(
     private val jwtHandler: JwtHandler,
 ) {
     fun login(request: LoginRequest): LoginResponse {
-        log.debug { "[AuthService.login] 로그인 시작: email=${request.email}" }
         val params = "email=${request.email}, password=${request.password}"
+        log.debug { "[AuthService.login] 로그인 시작: $params" }
 
         val member: MemberEntity = fetchMemberOrThrow(AuthErrorCode.LOGIN_FAILED, params, "login") {
             memberService.findByEmailAndPassword(request.email, request.password)
@@ -55,7 +55,6 @@ class AuthService(
         block: () -> MemberEntity,
     ): MemberEntity {
         try {
-            log.debug { "[AuthService.$calledBy] 회원 조회 시작: $params" }
             return block()
         } catch (e: Exception) {
             if (e !is RoomescapeException) {
diff --git a/src/main/kotlin/roomescape/member/business/MemberService.kt b/src/main/kotlin/roomescape/member/business/MemberService.kt
index ad6881d0..565590f7 100644
--- a/src/main/kotlin/roomescape/member/business/MemberService.kt
+++ b/src/main/kotlin/roomescape/member/business/MemberService.kt
@@ -57,7 +57,7 @@ class MemberService(
     }
 
     private fun fetchOrThrow(calledBy: String, params: String, block: () -> MemberEntity?): MemberEntity {
-        log.debug { "[MemberService.$calledBy] 회원 조회 시작: params=$params" }
+        log.debug { "[MemberService.$calledBy] 회원 조회 시작: $params" }
         return block()
             ?.also { log.info { "[MemberService.$calledBy] 회원 조회 완료: memberId=${it.id}" } }
             ?: run {
diff --git a/src/main/kotlin/roomescape/reservation/business/ReservationService.kt b/src/main/kotlin/roomescape/reservation/business/ReservationService.kt
index 78c945c1..a5374f75 100644
--- a/src/main/kotlin/roomescape/reservation/business/ReservationService.kt
+++ b/src/main/kotlin/roomescape/reservation/business/ReservationService.kt
@@ -60,7 +60,7 @@ class ReservationService(
 
     fun deleteReservation(reservationId: Long, memberId: Long) {
         validateIsMemberAdmin(memberId, "deleteReservation")
-        log.info { "[ReservationService.deleteReservation] 예약 삭제 시작: reservationId=$reservationId, memberId=$memberId" }
+        log.debug { "[ReservationService.deleteReservation] 예약 삭제 시작: reservationId=$reservationId, memberId=$memberId" }
         reservationRepository.deleteById(reservationId)
         log.info { "[ReservationService.deleteReservation] 예약 삭제 완료: reservationId=$reservationId" }
     }
@@ -272,7 +272,6 @@ class ReservationService(
         }
         log.debug { "[ReservationService.deleteWaiting] 대기 예약 삭제 시작: reservationId=$reservationId" }
         reservationRepository.delete(reservation)
-        log.debug { "[ReservationService.deleteWaiting] 대기 예약 삭제 완료: reservationId=$reservationId" }
 
         log.info { "[ReservationService.deleteWaiting] 대기 취소 완료: reservationId=$reservationId, memberId=$memberId" }
     }