diff --git a/app/src/main/kotlin/com/hippo/ehviewer/ui/legacy/DrawerView.kt b/app/src/main/kotlin/com/hippo/ehviewer/ui/legacy/DrawerView.kt
deleted file mode 100644
index 061c73e1e..000000000
--- a/app/src/main/kotlin/com/hippo/ehviewer/ui/legacy/DrawerView.kt
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Copyright 2016 Hippo Seven
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.hippo.ehviewer.ui.legacy
-
-import android.content.Context
-import android.util.AttributeSet
-import android.widget.FrameLayout
-
-class DrawerView @JvmOverloads constructor(
-    context: Context,
-    attrs: AttributeSet? = null,
-) : FrameLayout(context, attrs) {
-    private var mMaxWidth = 0
-
-    init {
-        val a = context.obtainStyledAttributes(attrs, SIZE_ATTRS)
-        mMaxWidth = a.getDimensionPixelOffset(0, 0)
-        a.recycle()
-    }
-
-    override fun onMeasure(widthSpec: Int, heightSpec: Int) {
-        var widthSpec = widthSpec
-        when (MeasureSpec.getMode(widthSpec)) {
-            MeasureSpec.EXACTLY -> {}
-            MeasureSpec.AT_MOST -> widthSpec = MeasureSpec.makeMeasureSpec(
-                MeasureSpec.getSize(widthSpec).coerceAtMost(mMaxWidth),
-                MeasureSpec.EXACTLY,
-            )
-
-            MeasureSpec.UNSPECIFIED ->
-                widthSpec = MeasureSpec.makeMeasureSpec(mMaxWidth, MeasureSpec.EXACTLY)
-        }
-        // Let super sort out the height
-        super.onMeasure(widthSpec, heightSpec)
-    }
-
-    companion object {
-        private val SIZE_ATTRS = intArrayOf(android.R.attr.maxWidth)
-    }
-}