diff --git a/src/main/kotlin/roomescape/reservation/business/ReservationService.kt b/src/main/kotlin/roomescape/reservation/business/ReservationService.kt
index e584a11d..daf402c5 100644
--- a/src/main/kotlin/roomescape/reservation/business/ReservationService.kt
+++ b/src/main/kotlin/roomescape/reservation/business/ReservationService.kt
@@ -8,7 +8,6 @@ import org.springframework.stereotype.Service
 import org.springframework.transaction.annotation.Transactional
 import roomescape.common.config.next
 import roomescape.common.dto.CurrentUserContext
-import roomescape.common.dto.PrincipalType
 import roomescape.common.util.DateUtils
 import roomescape.user.business.UserService
 import roomescape.user.web.UserContactResponse
@@ -101,7 +100,7 @@ class ReservationService(
 
         return ReservationSummaryListResponse(reservations.map {
             val schedule: ScheduleSummaryResponse = scheduleService.findSummaryById(it.scheduleId)
-            val theme: ThemeInfoResponse = themeService.findSummaryById(schedule.themeId)
+            val theme: ThemeInfoResponse = themeService.findInfoById(schedule.themeId)
 
             ReservationSummaryResponse(
                 id = it.id,
@@ -183,7 +182,7 @@ class ReservationService(
 
     private fun validateCanCreate(request: PendingReservationCreateRequest) {
         val schedule = scheduleService.findSummaryById(request.scheduleId)
-        val theme = themeService.findSummaryById(schedule.themeId)
+        val theme = themeService.findInfoById(schedule.themeId)
 
         reservationValidator.validateCanCreate(schedule, theme, request)
     }