diff --git a/app/src/main/java/com/topjohnwu/magisk/Config.java b/app/src/main/java/com/topjohnwu/magisk/Config.java
index fe12378ff..10f4119ea 100644
--- a/app/src/main/java/com/topjohnwu/magisk/Config.java
+++ b/app/src/main/java/com/topjohnwu/magisk/Config.java
@@ -59,7 +59,6 @@ public class Config {
         public static final String CHECK_UPDATES = "check_update";
         public static final String UPDATE_CHANNEL = "update_channel";
         public static final String CUSTOM_CHANNEL = "custom_channel";
-        public static final String BOOT_FORMAT = "boot_format";
         public static final String LOCALE = "locale";
         public static final String DARK_THEME = "dark_theme";
         public static final String ETAG_KEY = "ETag";
@@ -214,7 +213,6 @@ public class Config {
                 return PREF_BOOL;
 
             case Key.CUSTOM_CHANNEL:
-            case Key.BOOT_FORMAT:
             case Key.LOCALE:
             case Key.ETAG_KEY:
                 return PREF_STR;
@@ -327,7 +325,6 @@ public class Config {
 
         // prefs string
         defs.put(Key.CUSTOM_CHANNEL, "");
-        defs.put(Key.BOOT_FORMAT, ".img");
         defs.put(Key.LOCALE, "");
         //defs.put(Key.ETAG_KEY, null);
 
diff --git a/app/src/main/res/values/arrays.xml b/app/src/main/res/values/arrays.xml
index 94546fe02..0beedc71e 100644
--- a/app/src/main/res/values/arrays.xml
+++ b/app/src/main/res/values/arrays.xml
@@ -86,11 +86,6 @@
         <item>Canary (Debug)</item>
     </string-array>
 
-    <string-array name="boot_formats">
-        <item>.img</item>
-        <item>.img.tar</item>
-    </string-array>
-
     <string-array name="sorting_orders">
         <item>@string/sort_by_name</item>
         <item>@string/sort_by_update</item>
diff --git a/app/src/main/res/xml/app_settings.xml b/app/src/main/res/xml/app_settings.xml
index 223226f25..b7a6a0f4b 100644
--- a/app/src/main/res/xml/app_settings.xml
+++ b/app/src/main/res/xml/app_settings.xml
@@ -47,14 +47,6 @@
             android:entries="@array/update_channel"
             android:entryValues="@array/value_array" />
 
-        <ListPreference
-            android:key="boot_format"
-            android:title="@string/settings_boot_format_title"
-            android:entries="@array/boot_formats"
-            android:entryValues="@array/boot_formats"
-            android:defaultValue=".img"
-            android:summary="@string/settings_boot_format_summary"/>
-
     </PreferenceCategory>
 
     <PreferenceCategory