diff --git a/briar-android/src/main/java/org/briarproject/briar/android/navdrawer/NavDrawerViewModel.java b/briar-android/src/main/java/org/briarproject/briar/android/navdrawer/NavDrawerViewModel.java
index 670c3eb0b..6107eef7f 100644
--- a/briar-android/src/main/java/org/briarproject/briar/android/navdrawer/NavDrawerViewModel.java
+++ b/briar-android/src/main/java/org/briarproject/briar/android/navdrawer/NavDrawerViewModel.java
@@ -121,7 +121,7 @@ public class NavDrawerViewModel extends DbViewModel {
 	@UiThread
 	void checkDozeWhitelisting() {
 		// check this first, to hit the DbThread only when really necessary
-		BriarApplication app = (BriarApplication) getApplication();
+		BriarApplication app = getApplication();
 		if (app.isInstrumentationTest() ||
 				!needsDozeWhitelisting(getApplication())) {
 			shouldAskForDozeWhitelisting.setValue(false);
diff --git a/briar-android/src/main/java/org/briarproject/briar/android/panic/PanicPreferencesFragment.java b/briar-android/src/main/java/org/briarproject/briar/android/panic/PanicPreferencesFragment.java
index ff13f6dbf..dde17a075 100644
--- a/briar-android/src/main/java/org/briarproject/briar/android/panic/PanicPreferencesFragment.java
+++ b/briar-android/src/main/java/org/briarproject/briar/android/panic/PanicPreferencesFragment.java
@@ -51,9 +51,9 @@ public class PanicPreferencesFragment extends PreferenceFragmentCompat
 	private void updatePreferences() {
 		pm = getActivity().getPackageManager();
 
-		lockPref = (SwitchPreferenceCompat) findPreference(KEY_LOCK);
-		panicAppPref = (ListPreference) findPreference(KEY_PANIC_APP);
-		purgePref = (SwitchPreferenceCompat) findPreference(KEY_PURGE);
+		lockPref = findPreference(KEY_LOCK);
+		panicAppPref = findPreference(KEY_PANIC_APP);
+		purgePref = findPreference(KEY_PURGE);
 
 		// check for connect/disconnect intents from panic trigger apps
 		if (PanicResponder.checkForDisconnectIntent(getActivity())) {