diff --git a/app/src/main/java/io/legato/kazusa/ui/widget/button/AccentStrokeButton.kt b/app/src/main/java/io/legato/kazusa/ui/widget/button/AccentStrokeButton.kt
deleted file mode 100644
index a64259cb7..000000000
--- a/app/src/main/java/io/legato/kazusa/ui/widget/button/AccentStrokeButton.kt
+++ /dev/null
@@ -1,66 +0,0 @@
-package io.legato.kazusa.ui.widget.button
-
-import android.content.Context
-import android.util.AttributeSet
-import com.google.android.material.button.MaterialButton
-//import io.legado.app.lib.theme.bottomBackground
-
-class AccentStrokeButton(context: Context, attrs: AttributeSet) :
-    MaterialButton(context, attrs) {
-
-//    private val isBottomBackground: Boolean
-
-//    init {
-//        val typedArray = context.obtainStyledAttributes(attrs, R.styleable.AccentStrokeTextView)
-//        isBottomBackground =
-//            typedArray.getBoolean(R.styleable.StrokeTextView_isBottomBackground, false)
-//        typedArray.recycle()
-//
-//        // MaterialButton specific attributes
-//        insetTop = 0
-//        insetBottom = 0
-//        upStyle()
-//    }
-
-//    private fun upStyle() {
-//        val isLight = ColorUtils.isColorLight(context.bottomBackground)
-//        val disableColor = if (isBottomBackground) {
-//            if (isLight) {
-//                context.getCompatColor(R.color.md_light_disabled)
-//            } else {
-//                context.getCompatColor(R.color.md_dark_disabled)
-//            }
-//        } else {
-//            context.getCompatColor(R.color.disabled)
-//        }
-//        val accentColor = if (isInEditMode) {
-//            context.getCompatColor(R.color.accent)
-//        } else {
-//            ThemeStore.accentColor(context)
-//        }
-//
-//        // Set MaterialButton properties
-//        strokeWidth = 1.dpToPx()
-//        strokeColor = ColorStateList.valueOf(accentColor)
-//
-//        // For disabled state
-//        val states = arrayOf(
-//            intArrayOf(-android.R.attr.state_enabled), // disabled
-//            intArrayOf(android.R.attr.state_enabled)  // enabled
-//        )
-//        val colors = intArrayOf(disableColor, accentColor)
-//
-//        // Set stroke color state list
-//        strokeColor = ColorStateList(states, colors)
-//
-//        // Set text color state list
-//        setTextColor(ColorStateList(states, colors))
-//
-//        // Set ripple color
-//        rippleColor = ColorStateList.valueOf(context.getCompatColor(R.color.transparent30))
-//
-//        // Remove default background and set transparent background
-//        setBackgroundColor(Color.TRANSPARENT)
-//    }
-
-}
\ No newline at end of file
diff --git a/app/src/main/res/drawable/bg_book_mask.xml b/app/src/main/res/drawable/bg_book_mask.xml
deleted file mode 100644
index 2ddaf0239..000000000
--- a/app/src/main/res/drawable/bg_book_mask.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- res/drawable/bg_semi_transparent_overlay.xml -->
-<shape xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shape="rectangle">
-    <solid android:color="@color/transparent50" />
-</shape>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/bg_book_mask_land.xml b/app/src/main/res/drawable/bg_book_mask_land.xml
deleted file mode 100644
index f250bea0c..000000000
--- a/app/src/main/res/drawable/bg_book_mask_land.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- res/drawable/bg_semi_transparent_overlay.xml -->
-<shape xmlns:android="http://schemas.android.com/apk/res/android"
-    android:shape="rectangle">
-    <solid android:color="@color/transparent70" />
-</shape>
\ No newline at end of file