diff --git a/app/build.gradle b/app/build.gradle
index 5aae8ac..fff8fd2 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -23,5 +23,5 @@ android {
 
 dependencies {
     implementation"org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
-    implementation 'androidx.appcompat:appcompat:1.0.0-rc01'
+    implementation 'androidx.localbroadcastmanager:localbroadcastmanager:1.0.0-rc01'
 }
diff --git a/app/src/main/java/io/github/hidroh/splitme/SplitTileService.kt b/app/src/main/java/io/github/hidroh/splitme/SplitTileService.kt
index 1a5ee62..67a5e49 100644
--- a/app/src/main/java/io/github/hidroh/splitme/SplitTileService.kt
+++ b/app/src/main/java/io/github/hidroh/splitme/SplitTileService.kt
@@ -1,6 +1,7 @@
 package io.github.hidroh.splitme
 
 import android.accessibilityservice.AccessibilityServiceInfo.FEEDBACK_GENERIC
+import android.app.AlertDialog
 import android.content.*
 import android.content.Intent.*
 import android.content.res.Configuration
@@ -11,7 +12,6 @@ import android.service.quicksettings.Tile.STATE_ACTIVE
 import android.service.quicksettings.Tile.STATE_INACTIVE
 import android.service.quicksettings.TileService
 import android.view.accessibility.AccessibilityManager
-import androidx.appcompat.app.AlertDialog
 import androidx.localbroadcastmanager.content.LocalBroadcastManager
 
 class SplitTileService : TileService() {
@@ -81,7 +81,7 @@ class SplitTileService : TileService() {
   }
 
   private fun prompt() {
-    showDialog(AlertDialog.Builder(this, R.style.Theme_AppCompat_Light_Dialog_Alert)
+    showDialog(AlertDialog.Builder(this, android.R.style.Theme_DeviceDefault_Light_Dialog_Alert)
         .setMessage(R.string.accessibility_required)
         .setNegativeButton(android.R.string.cancel, null)
         .setPositiveButton(android.R.string.ok) { _, _ ->