diff --git a/bramble-android/src/main/java/org/briarproject/bramble/plugin/bluetooth/AndroidBluetoothPlugin.java b/bramble-android/src/main/java/org/briarproject/bramble/plugin/bluetooth/AndroidBluetoothPlugin.java
index 9eddf0849..f1f2f498d 100644
--- a/bramble-android/src/main/java/org/briarproject/bramble/plugin/bluetooth/AndroidBluetoothPlugin.java
+++ b/bramble-android/src/main/java/org/briarproject/bramble/plugin/bluetooth/AndroidBluetoothPlugin.java
@@ -238,7 +238,7 @@ class AndroidBluetoothPlugin extends
 		filter.addAction(ACTION_DISCOVERY_STARTED);
 		filter.addAction(ACTION_DISCOVERY_FINISHED);
 		filter.addAction(ACTION_FOUND);
-		AndroidUtils.registerReceiver(app, receiver, filter);
+		registerReceiver(app, receiver, filter);
 		try {
 			if (adapter.startDiscovery()) {
 				long now = clock.currentTimeMillis();
diff --git a/briar-android/src/main/java/org/briarproject/briar/android/util/UiUtils.java b/briar-android/src/main/java/org/briarproject/briar/android/util/UiUtils.java
index 70377dc15..2b8e2837f 100644
--- a/briar-android/src/main/java/org/briarproject/briar/android/util/UiUtils.java
+++ b/briar-android/src/main/java/org/briarproject/briar/android/util/UiUtils.java
@@ -1,15 +1,12 @@
 package org.briarproject.briar.android.util;
 
-import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.app.ActivityManager;
 import android.app.ActivityManager.MemoryInfo;
 import android.app.KeyguardManager;
 import android.content.ActivityNotFoundException;
-import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
-import android.content.IntentFilter;
 import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.graphics.drawable.Drawable;
@@ -70,7 +67,6 @@ import androidx.lifecycle.Observer;
 import androidx.vectordrawable.graphics.drawable.VectorDrawableCompat;
 
 import static android.content.Context.KEYGUARD_SERVICE;
-import static android.content.Context.RECEIVER_NOT_EXPORTED;
 import static android.content.Intent.FLAG_ACTIVITY_NEW_TASK;
 import static android.os.Build.MANUFACTURER;
 import static android.os.Build.VERSION.SDK_INT;
@@ -402,8 +398,8 @@ public class UiUtils {
 
 	public static void startDevReportActivity(Context ctx,
 			Class<? extends FragmentActivity> activity, @Nullable Throwable t,
-			@Nullable Long appStartTime, @Nullable byte[] logKey, @Nullable
-	String initialComment) {
+			@Nullable Long appStartTime, @Nullable byte[] logKey,
+			@Nullable String initialComment) {
 		// Collect memory stats from the current process, not the crash
 		// reporter process
 		ActivityManager am =