diff --git a/app/src/main/java/io/legado/app/ui/main/bookshelf/BookGroupAdapter.kt b/app/src/main/java/io/legado/app/ui/main/bookshelf/BookGroupAdapter.kt
deleted file mode 100644
index 9e5dd0722..000000000
--- a/app/src/main/java/io/legado/app/ui/main/bookshelf/BookGroupAdapter.kt
+++ /dev/null
@@ -1,24 +0,0 @@
-package io.legado.app.ui.main.bookshelf
-
-import android.content.Context
-import io.legado.app.R
-import io.legado.app.base.adapter.ItemViewHolder
-import io.legado.app.base.adapter.SimpleRecyclerAdapter
-import io.legado.app.data.entities.BookGroup
-import kotlinx.android.synthetic.main.item_book_group.view.*
-import org.jetbrains.anko.sdk27.listeners.onClick
-
-class BookGroupAdapter(context: Context, val callBack: CallBack) :
-    SimpleRecyclerAdapter<BookGroup>(context, R.layout.item_book_group) {
-
-    override fun convert(holder: ItemViewHolder, item: BookGroup, payloads: MutableList<Any>) {
-        with(holder.itemView) {
-            tv_group.text = item.groupName
-            tv_group.onClick { callBack.onClickGroup(holder.layoutPosition) }
-        }
-    }
-
-    interface CallBack {
-        fun onClickGroup(position: Int)
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfFragment.kt b/app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfFragment.kt
index 26924d5d3..b7f91a0af 100644
--- a/app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/main/bookshelf/BookshelfFragment.kt
@@ -28,7 +28,6 @@ import org.jetbrains.anko.startActivity
 
 class BookshelfFragment : VMBaseFragment<BookshelfViewModel>(R.layout.fragment_bookshelf),
     SearchView.OnQueryTextListener,
-    BookGroupAdapter.CallBack,
     BookshelfAdapter.CallBack {
 
     override val viewModel: BookshelfViewModel
@@ -84,10 +83,6 @@ class BookshelfFragment : VMBaseFragment<BookshelfViewModel>(R.layout.fragment_b
         })
     }
 
-    override fun onClickGroup(position: Int) {
-        view_pager_bookshelf.setCurrentItem(position, false)
-    }
-
     override fun onQueryTextSubmit(query: String?): Boolean {
         context?.startActivity<SearchActivity>(Pair("key", query))
         return false