diff --git a/piikii-application/src/main/kotlin/com/piikii/application/domain/course/Course.kt b/piikii-application/src/main/kotlin/com/piikii/application/domain/course/Course.kt
deleted file mode 100644
index 43a12dfd..00000000
--- a/piikii-application/src/main/kotlin/com/piikii/application/domain/course/Course.kt
+++ /dev/null
@@ -1,7 +0,0 @@
-package com.piikii.application.domain.course
-
-class Course(
-    val roomUid: Long,
-    val scheduleId: Long,
-    val placeId: Long,
-)
diff --git a/piikii-output-persistence/postgresql/src/main/kotlin/com/piikii/output/persistence/postgresql/adapter/CourseAdapter.kt b/piikii-output-persistence/postgresql/src/main/kotlin/com/piikii/output/persistence/postgresql/adapter/CourseAdapter.kt
index d4229a82..743f5fa3 100644
--- a/piikii-output-persistence/postgresql/src/main/kotlin/com/piikii/output/persistence/postgresql/adapter/CourseAdapter.kt
+++ b/piikii-output-persistence/postgresql/src/main/kotlin/com/piikii/output/persistence/postgresql/adapter/CourseAdapter.kt
@@ -1,15 +1,13 @@
 package com.piikii.output.persistence.postgresql.adapter
 
 import com.piikii.application.port.output.persistence.CourseQueryPort
-import com.piikii.output.persistence.postgresql.persistence.repository.CourseRepository
 import org.springframework.stereotype.Repository
 import java.util.UUID
 
 @Repository
-class CourseAdapter(
-    private val courseRepository: CourseRepository,
-) : CourseQueryPort {
+class CourseAdapter() : CourseQueryPort {
     override fun isCourseExist(roomUid: UUID): Boolean {
-        return courseRepository.existsByroomUid(roomUid)
+        // TODO: implement
+        return false
     }
 }
diff --git a/piikii-output-persistence/postgresql/src/main/kotlin/com/piikii/output/persistence/postgresql/persistence/entity/CourseEntity.kt b/piikii-output-persistence/postgresql/src/main/kotlin/com/piikii/output/persistence/postgresql/persistence/entity/CourseEntity.kt
deleted file mode 100644
index e53a2400..00000000
--- a/piikii-output-persistence/postgresql/src/main/kotlin/com/piikii/output/persistence/postgresql/persistence/entity/CourseEntity.kt
+++ /dev/null
@@ -1,22 +0,0 @@
-package com.piikii.output.persistence.postgresql.persistence.entity
-
-import com.piikii.output.persistence.postgresql.persistence.common.BaseEntity
-import jakarta.persistence.Column
-import jakarta.persistence.Entity
-import jakarta.persistence.Table
-import org.hibernate.annotations.DynamicUpdate
-import org.hibernate.annotations.SQLRestriction
-import java.util.UUID
-
-@Entity
-@Table(name = "course", schema = "piikii")
-@SQLRestriction("is_deleted = false")
-@DynamicUpdate
-class CourseEntity(
-    @Column(name = "room_uid", nullable = false)
-    val roomUid: UUID,
-    @Column(name = "schedule_id", nullable = false, unique = true)
-    val scheduleId: Long,
-    @Column(name = "place_id", nullable = false)
-    val placeId: Long,
-) : BaseEntity()
diff --git a/piikii-output-persistence/postgresql/src/main/kotlin/com/piikii/output/persistence/postgresql/persistence/entity/PlaceEntity.kt b/piikii-output-persistence/postgresql/src/main/kotlin/com/piikii/output/persistence/postgresql/persistence/entity/PlaceEntity.kt
index 6b4d43f9..5282e632 100644
--- a/piikii-output-persistence/postgresql/src/main/kotlin/com/piikii/output/persistence/postgresql/persistence/entity/PlaceEntity.kt
+++ b/piikii-output-persistence/postgresql/src/main/kotlin/com/piikii/output/persistence/postgresql/persistence/entity/PlaceEntity.kt
@@ -41,6 +41,8 @@ class PlaceEntity(
     var origin: Origin,
     @Column(name = "memo", length = 150)
     var memo: String?,
+    @Column(name = "confirmed", nullable = false)
+    var confirmed: Boolean = false,
 ) : BaseEntity() {
     constructor(roomUid: UUID, scheduleId: Long, place: Place) : this(
         roomUid = roomUid,
diff --git a/piikii-output-persistence/postgresql/src/main/kotlin/com/piikii/output/persistence/postgresql/persistence/repository/CourseRepository.kt b/piikii-output-persistence/postgresql/src/main/kotlin/com/piikii/output/persistence/postgresql/persistence/repository/CourseRepository.kt
deleted file mode 100644
index 39e72e0f..00000000
--- a/piikii-output-persistence/postgresql/src/main/kotlin/com/piikii/output/persistence/postgresql/persistence/repository/CourseRepository.kt
+++ /dev/null
@@ -1,9 +0,0 @@
-package com.piikii.output.persistence.postgresql.persistence.repository
-
-import com.piikii.output.persistence.postgresql.persistence.entity.CourseEntity
-import org.springframework.data.jpa.repository.JpaRepository
-import java.util.UUID
-
-interface CourseRepository : JpaRepository<CourseEntity, Long> {
-    fun existsByroomUid(roomUid: UUID): Boolean
-}