diff --git a/core/model/src/commonMain/kotlin/io/github/droidkaigi/confsched2022/model/Timetable.kt b/core/model/src/commonMain/kotlin/io/github/droidkaigi/confsched2022/model/Timetable.kt
index 15d052d68..90c337e2c 100644
--- a/core/model/src/commonMain/kotlin/io/github/droidkaigi/confsched2022/model/Timetable.kt
+++ b/core/model/src/commonMain/kotlin/io/github/droidkaigi/confsched2022/model/Timetable.kt
@@ -135,7 +135,7 @@ public fun Timetable.Companion.fake(): Timetable {
                     TimeZone.of("UTC+9")
                 )
 
-                val fake = TimetableItem.Session.fake()
+                val fake = Session.fake()
                 add(
                     fake
                         .copy(
diff --git a/core/model/src/commonMain/kotlin/io/github/droidkaigi/confsched2022/model/TimetableItem.kt b/core/model/src/commonMain/kotlin/io/github/droidkaigi/confsched2022/model/TimetableItem.kt
index d0d639b06..93c95d237 100644
--- a/core/model/src/commonMain/kotlin/io/github/droidkaigi/confsched2022/model/TimetableItem.kt
+++ b/core/model/src/commonMain/kotlin/io/github/droidkaigi/confsched2022/model/TimetableItem.kt
@@ -76,7 +76,7 @@ public sealed class TimetableItem {
     }
 }
 
-public fun TimetableItem.Session.Companion.fake(): Session {
+public fun Session.Companion.fake(): Session {
     return Session(
         id = TimetableItemId("2"),
         title = MultiLangText("DroidKaigiのアプリのアーキテクチャ", "DroidKaigi App Architecture"),
diff --git a/core/model/src/commonMain/kotlin/io/github/droidkaigi/confsched2022/strings/Strings.kt b/core/model/src/commonMain/kotlin/io/github/droidkaigi/confsched2022/strings/Strings.kt
index ea2c3731a..68865f972 100644
--- a/core/model/src/commonMain/kotlin/io/github/droidkaigi/confsched2022/strings/Strings.kt
+++ b/core/model/src/commonMain/kotlin/io/github/droidkaigi/confsched2022/strings/Strings.kt
@@ -1,12 +1,11 @@
 package io.github.droidkaigi.confsched2022.strings
 
-import io.github.droidkaigi.confsched2022.model.Res
 import io.github.droidkaigi.confsched2022.model.Res.strings
 
 public val Strings: strings
-    get() = Res.strings
+    get() = strings
 
 // For iOS usage
 @Suppress("unused")
 public val shared: strings
-    get() = Res.strings
+    get() = strings