diff --git a/app/build.gradle b/app/build.gradle
index da77da48..0e1cdd07 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -11,12 +11,12 @@ android {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
-    compileSdkVersion 27
+    compileSdkVersion 28
     dataBinding.enabled true
     defaultConfig {
         applicationId 'com.wireguard.android'
         minSdkVersion 21
-        targetSdkVersion 27
+        targetSdkVersion 28
         versionCode 437
         versionName '0.0.20180725'
         buildConfigField 'int', 'MIN_SDK_VERSION', "$minSdkVersion.apiLevel"
diff --git a/app/src/main/java/com/wireguard/android/Application.java b/app/src/main/java/com/wireguard/android/Application.java
index efca15dd..72545eb4 100644
--- a/app/src/main/java/com/wireguard/android/Application.java
+++ b/app/src/main/java/com/wireguard/android/Application.java
@@ -71,6 +71,7 @@ public class Application extends android.app.Application {
      * check the DN of the certs that signed the apk, without even bothering to try
      * validating that they're authentic. It's a good enough heuristic.
      */
+    @SuppressWarnings("deprecation")
     @Nullable
     private static String getInstallSource(final Context context) {
         if (BuildConfig.DEBUG)
diff --git a/app/src/main/java/com/wireguard/android/QuickTileService.java b/app/src/main/java/com/wireguard/android/QuickTileService.java
index 20464e14..15b06670 100644
--- a/app/src/main/java/com/wireguard/android/QuickTileService.java
+++ b/app/src/main/java/com/wireguard/android/QuickTileService.java
@@ -61,6 +61,10 @@ public class QuickTileService extends TileService {
     @SuppressWarnings("deprecation")
     @Override
     public void onCreate() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
+            iconOff = iconOn = Icon.createWithResource(this, R.drawable.ic_tile);
+            return;
+        }
         final SlashDrawable icon = new SlashDrawable(getResources().getDrawable(R.drawable.ic_tile));
         icon.setAnimationEnabled(false); /* Unfortunately we can't have animations, since Icons are marshaled. */
         icon.setSlashed(false);
@@ -69,17 +73,12 @@ public class QuickTileService extends TileService {
         icon.setBounds(0, 0, c.getWidth(), c.getHeight());
         icon.draw(c);
         iconOn = Icon.createWithBitmap(b);
-        /* TODO(msf): Change this to an explicit test for P when we start targetting SDK 28 */
-        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.O_MR1) {
-            iconOff = iconOn;
-        } else {
-            icon.setSlashed(true);
-            b = Bitmap.createBitmap(icon.getIntrinsicWidth(), icon.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
-            c = new Canvas(b);
-            icon.setBounds(0, 0, c.getWidth(), c.getHeight());
-            icon.draw(c);
-            iconOff = Icon.createWithBitmap(b);
-        }
+        icon.setSlashed(true);
+        b = Bitmap.createBitmap(icon.getIntrinsicWidth(), icon.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);
+        c = new Canvas(b);
+        icon.setBounds(0, 0, c.getWidth(), c.getHeight());
+        icon.draw(c);
+        iconOff = Icon.createWithBitmap(b);
     }
 
     @Override