diff --git a/V2rayNG/app/src/main/res/anim/fade_in.xml b/V2rayNG/app/src/main/res/anim/fade_in.xml
deleted file mode 100644
index 29e04320..00000000
--- a/V2rayNG/app/src/main/res/anim/fade_in.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<alpha xmlns:android="http://schemas.android.com/apk/res/android"
-    android:duration="@android:integer/config_shortAnimTime"
-    android:fromAlpha="0.0"
-    android:interpolator="@android:interpolator/decelerate_quad"
-    android:toAlpha="1.0" />
diff --git a/V2rayNG/app/src/main/res/anim/fade_out.xml b/V2rayNG/app/src/main/res/anim/fade_out.xml
deleted file mode 100644
index 2b8bb1cb..00000000
--- a/V2rayNG/app/src/main/res/anim/fade_out.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<alpha xmlns:android="http://schemas.android.com/apk/res/android"
-    android:duration="@android:integer/config_shortAnimTime"
-    android:fromAlpha="1.0"
-    android:interpolator="@android:interpolator/accelerate_quad"
-    android:toAlpha="0.0" />
diff --git a/V2rayNG/app/src/main/res/drawable-hdpi/ic_stat_name_black.png b/V2rayNG/app/src/main/res/drawable-hdpi/ic_stat_name_black.png
deleted file mode 100644
index 5361ddf6..00000000
Binary files a/V2rayNG/app/src/main/res/drawable-hdpi/ic_stat_name_black.png and /dev/null differ
diff --git a/V2rayNG/app/src/main/res/drawable/ic_attach_money_24dp.xml b/V2rayNG/app/src/main/res/drawable/ic_attach_money_24dp.xml
deleted file mode 100644
index b520fc98..00000000
--- a/V2rayNG/app/src/main/res/drawable/ic_attach_money_24dp.xml
+++ /dev/null
@@ -1,9 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-        android:width="24dp"
-        android:height="24dp"
-        android:viewportWidth="24.0"
-        android:viewportHeight="24.0">
-    <path
-        android:fillColor="#FF000000"
-        android:pathData="M11.8,10.9c-2.27,-0.59 -3,-1.2 -3,-2.15 0,-1.09 1.01,-1.85 2.7,-1.85 1.78,0 2.44,0.85 2.5,2.1h2.21c-0.07,-1.72 -1.12,-3.3 -3.21,-3.81V3h-3v2.16c-1.94,0.42 -3.5,1.68 -3.5,3.61 0,2.31 1.91,3.46 4.7,4.13 2.5,0.6 3,1.48 3,2.41 0,0.69 -0.49,1.79 -2.7,1.79 -2.06,0 -2.87,-0.92 -2.98,-2.1h-2.2c0.12,2.19 1.76,3.42 3.68,3.83V21h3v-2.15c1.95,-0.37 3.5,-1.5 3.5,-3.55 0,-2.84 -2.43,-3.81 -4.7,-4.4z"/>
-</vector>
diff --git a/V2rayNG/app/src/main/res/mipmap-hdpi/ic_launcher_round.png b/V2rayNG/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
deleted file mode 100644
index 76cd6462..00000000
Binary files a/V2rayNG/app/src/main/res/mipmap-hdpi/ic_launcher_round.png and /dev/null differ
diff --git a/V2rayNG/app/src/main/res/values-sw360dp-v13/values-preference.xml b/V2rayNG/app/src/main/res/values-sw360dp-v13/values-preference.xml
index 99153624..692929d6 100644
--- a/V2rayNG/app/src/main/res/values-sw360dp-v13/values-preference.xml
+++ b/V2rayNG/app/src/main/res/values-sw360dp-v13/values-preference.xml
@@ -1,5 +1,2 @@
 <?xml version="1.0" encoding="utf-8"?>
-<resources xmlns:tools="http://schemas.android.com/tools">
-    <bool name="config_materialPreferenceIconSpaceReserved" tools:ignore="MissingDefaultResource,PrivateResource">false</bool>
-    <dimen name="preference_category_padding_start" tools:ignore="MissingDefaultResource,PrivateResource">0dp</dimen>
-</resources>
\ No newline at end of file
+<resources xmlns:tools="http://schemas.android.com/tools"></resources>
\ No newline at end of file