diff --git a/app/src/main/java/io/legado/app/ui/widget/page/DataSource.kt b/app/src/main/java/io/legado/app/ui/widget/page/DataSource.kt
index e10a48d8a..d7efe18a5 100644
--- a/app/src/main/java/io/legado/app/ui/widget/page/DataSource.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/page/DataSource.kt
@@ -9,8 +9,6 @@ interface DataSource {
 
     fun getChapterPosition(): Int
 
-    fun getChapter(position: Int): TextChapter?
-
     fun getCurrentChapter(): TextChapter?
 
     fun getNextChapter(): TextChapter?
diff --git a/app/src/main/java/io/legado/app/ui/widget/page/PageFactory.kt b/app/src/main/java/io/legado/app/ui/widget/page/PageFactory.kt
index f9b9ca4cb..72eaa5eda 100644
--- a/app/src/main/java/io/legado/app/ui/widget/page/PageFactory.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/page/PageFactory.kt
@@ -2,8 +2,6 @@ package io.legado.app.ui.widget.page
 
 abstract class PageFactory<DATA>(protected val dataSource: DataSource) {
 
-    abstract fun pageAt(index: Int): DATA?
-
     abstract fun moveToFirst()
 
     abstract fun moveToLast()
diff --git a/app/src/main/java/io/legado/app/ui/widget/page/PageView.kt b/app/src/main/java/io/legado/app/ui/widget/page/PageView.kt
index ec4693ffb..759ee2c46 100644
--- a/app/src/main/java/io/legado/app/ui/widget/page/PageView.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/page/PageView.kt
@@ -190,10 +190,6 @@ class PageView(context: Context, attrs: AttributeSet) :
         return ReadBook.durChapterIndex
     }
 
-    override fun getChapter(position: Int): TextChapter? {
-        return ReadBook.textChapter(position)
-    }
-
     override fun getCurrentChapter(): TextChapter? {
         return ReadBook.textChapter(0)
     }
diff --git a/app/src/main/java/io/legado/app/ui/widget/page/TextPageFactory.kt b/app/src/main/java/io/legado/app/ui/widget/page/TextPageFactory.kt
index d25acb1ef..d5aaa68d7 100644
--- a/app/src/main/java/io/legado/app/ui/widget/page/TextPageFactory.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/page/TextPageFactory.kt
@@ -21,11 +21,6 @@ class TextPageFactory(dataSource: DataSource) : PageFactory<TextPage>(dataSource
         }
     }
 
-    override fun pageAt(index: Int): TextPage {
-        return dataSource.getCurrentChapter()?.page(index)
-            ?: TextPage(index = index, title = "index：$index")
-    }
-
     override fun moveToFirst() {
         dataSource.setPageIndex(0)
     }