diff --git a/src/androidTest/java/de/dennisguse/opentracks/ui/aggregatedStatistics/EspressoAggregatedFilterTest.java b/src/androidTest/java/de/dennisguse/opentracks/ui/aggregatedStatistics/EspressoAggregatedFilterTest.java
index 410cc8c1c..ce12e3be8 100644
--- a/src/androidTest/java/de/dennisguse/opentracks/ui/aggregatedStatistics/EspressoAggregatedFilterTest.java
+++ b/src/androidTest/java/de/dennisguse/opentracks/ui/aggregatedStatistics/EspressoAggregatedFilterTest.java
@@ -12,7 +12,6 @@ import static org.hamcrest.Matchers.allOf;
 import static de.dennisguse.opentracks.util.EspressoUtils.waitFor;
 
 import android.util.Pair;
-import android.view.View;
 
 import androidx.test.core.app.ApplicationProvider;
 import androidx.test.espresso.ViewInteraction;
@@ -72,7 +71,7 @@ public class EspressoAggregatedFilterTest {
         ViewInteraction checkBox = onView(
                 allOf(withId(R.id.filter_dialog_check_button), withText(CATEGORY),
                         withParent(allOf(withId(R.id.filter_items),
-                                withParent(IsInstanceOf.<View>instanceOf(android.view.ViewGroup.class)))),
+                                withParent(IsInstanceOf.instanceOf(android.view.ViewGroup.class)))),
                         isDisplayed()));
         checkBox.perform(waitFor(2000));
 
diff --git a/src/main/java/de/dennisguse/opentracks/TrackListActivity.java b/src/main/java/de/dennisguse/opentracks/TrackListActivity.java
index 40587a381..671de5486 100644
--- a/src/main/java/de/dennisguse/opentracks/TrackListActivity.java
+++ b/src/main/java/de/dennisguse/opentracks/TrackListActivity.java
@@ -38,7 +38,6 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.widget.SearchView;
 import androidx.core.content.ContextCompat;
-import androidx.core.splashscreen.SplashScreen;
 import androidx.cursoradapter.widget.ResourceCursorAdapter;
 import androidx.loader.app.LoaderManager;
 import androidx.loader.content.CursorLoader;
diff --git a/src/main/java/de/dennisguse/opentracks/data/CustomContentProvider.java b/src/main/java/de/dennisguse/opentracks/data/CustomContentProvider.java
index b78960d0c..ffeb3bd83 100644
--- a/src/main/java/de/dennisguse/opentracks/data/CustomContentProvider.java
+++ b/src/main/java/de/dennisguse/opentracks/data/CustomContentProvider.java
@@ -27,7 +27,6 @@ import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteException;
 import android.database.sqlite.SQLiteQueryBuilder;
 import android.net.Uri;
-import android.os.Bundle;
 import android.text.TextUtils;
 import android.util.Log;
 
diff --git a/src/main/java/de/dennisguse/opentracks/io/file/importer/TrackImporter.java b/src/main/java/de/dennisguse/opentracks/io/file/importer/TrackImporter.java
index 1f294a082..e70d12290 100644
--- a/src/main/java/de/dennisguse/opentracks/io/file/importer/TrackImporter.java
+++ b/src/main/java/de/dennisguse/opentracks/io/file/importer/TrackImporter.java
@@ -25,7 +25,6 @@ import de.dennisguse.opentracks.data.models.Marker;
 import de.dennisguse.opentracks.data.models.Speed;
 import de.dennisguse.opentracks.data.models.Track;
 import de.dennisguse.opentracks.data.models.TrackPoint;
-import de.dennisguse.opentracks.settings.PreferencesUtils;
 import de.dennisguse.opentracks.stats.TrackStatistics;
 import de.dennisguse.opentracks.stats.TrackStatisticsUpdater;
 import de.dennisguse.opentracks.ui.markers.MarkerUtils;
diff --git a/src/main/java/de/dennisguse/opentracks/services/TrackDeleteService.java b/src/main/java/de/dennisguse/opentracks/services/TrackDeleteService.java
index b29a4536c..590846b21 100644
--- a/src/main/java/de/dennisguse/opentracks/services/TrackDeleteService.java
+++ b/src/main/java/de/dennisguse/opentracks/services/TrackDeleteService.java
@@ -22,7 +22,6 @@ import java.util.concurrent.Executors;
 import de.dennisguse.opentracks.R;
 import de.dennisguse.opentracks.data.ContentProviderUtils;
 import de.dennisguse.opentracks.data.models.Track;
-import de.dennisguse.opentracks.settings.PreferencesUtils;
 
 public class TrackDeleteService extends Service {
 
diff --git a/src/main/res/drawable/ic_baseline_delete_24.xml b/src/main/res/drawable/ic_baseline_delete_24.xml
deleted file mode 100644
index de011dd99..000000000
--- a/src/main/res/drawable/ic_baseline_delete_24.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<vector android:height="24dp" android:tint="#000000"
-    android:viewportHeight="24" android:viewportWidth="24"
-    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
-    <path android:fillColor="@android:color/white" android:pathData="M6,19c0,1.1 0.9,2 2,2h8c1.1,0 2,-0.9 2,-2V7H6v12zM19,4h-3.5l-1,-1h-5l-1,1H5v2h14V4z"/>
-</vector>