diff --git a/app/src/main/java/io/legato/kazusa/help/config/AppConfig.kt b/app/src/main/java/io/legato/kazusa/help/config/AppConfig.kt
index b6e85c1de..9b5e32e8d 100644
--- a/app/src/main/java/io/legato/kazusa/help/config/AppConfig.kt
+++ b/app/src/main/java/io/legato/kazusa/help/config/AppConfig.kt
@@ -740,13 +740,6 @@ object AppConfig : SharedPreferences.OnSharedPreferenceChangeListener {
             appCtx.putPrefString(PreferKey.mangaFooterConfig, value)
         }
 
-    //漫画水平滚动
-    var enableMangaHorizontalScroll
-        get() = appCtx.getPrefBoolean(PreferKey.enableMangaHorizontalScroll, false)
-        set(value) {
-            appCtx.putPrefBoolean(PreferKey.enableMangaHorizontalScroll, value)
-        }
-
     //漫画滚动方式
     var mangaScrollMode: Int
         get() = appCtx.getPrefInt(PreferKey.mangaScrollMode, MangaScrollMode.WEBTOON)
diff --git a/app/src/main/java/io/legato/kazusa/ui/book/manga/ReadMangaActivity.kt b/app/src/main/java/io/legato/kazusa/ui/book/manga/ReadMangaActivity.kt
index 5289a9c46..ab4d9cb99 100644
--- a/app/src/main/java/io/legato/kazusa/ui/book/manga/ReadMangaActivity.kt
+++ b/app/src/main/java/io/legato/kazusa/ui/book/manga/ReadMangaActivity.kt
@@ -10,7 +10,6 @@ import android.view.Menu
 import android.view.MenuItem
 import android.view.WindowManager
 import android.view.animation.LinearInterpolator
-import androidx.activity.addCallback
 import androidx.activity.viewModels
 import androidx.appcompat.app.AlertDialog
 import androidx.core.view.doOnLayout