diff --git a/src/androidTest/java/de/dennisguse/opentracks/data/ShareContentProviderTest.java b/src/androidTest/java/de/dennisguse/opentracks/data/ShareContentProviderTest.java
index a8c6f16d2..d7e63f348 100644
--- a/src/androidTest/java/de/dennisguse/opentracks/data/ShareContentProviderTest.java
+++ b/src/androidTest/java/de/dennisguse/opentracks/data/ShareContentProviderTest.java
@@ -7,7 +7,6 @@ import android.util.Pair;
 
 import org.junit.Test;
 
-import java.util.HashSet;
 import java.util.Set;
 
 import de.dennisguse.opentracks.data.models.Track;
@@ -24,10 +23,7 @@ public class ShareContentProviderTest {
 
     @Test
     public void testCreateAndParseURI_valid() {
-        Set<Track.Id> trackIds = new HashSet<>();
-        trackIds.add(new Track.Id(1));
-        trackIds.add(new Track.Id(3));
-        trackIds.add(new Track.Id(5));
+        Set<Track.Id> trackIds = Set.of(new Track.Id(1), new Track.Id(3), new Track.Id(5));
 
         Pair<Uri, String> shareURIandMIME = ShareContentProvider.createURI(trackIds, "filename.suffix", TrackFileFormat.KML_WITH_TRACKDETAIL_AND_SENSORDATA);
 
@@ -36,9 +32,7 @@ public class ShareContentProviderTest {
 
     @Test
     public void testCreateURIescapeFilename() {
-        Set<Track.Id> trackIds = new HashSet<>();
-        trackIds.add(new Track.Id(1));
-        Pair<Uri, String> shareURIandMIME = ShareContentProvider.createURI(trackIds, "../../&1=1", TrackFileFormat.KML_WITH_TRACKDETAIL_AND_SENSORDATA);
+        Pair<Uri, String> shareURIandMIME = ShareContentProvider.createURI(Set.of(new Track.Id(1)), "../../&1=1", TrackFileFormat.KML_WITH_TRACKDETAIL_AND_SENSORDATA);
 
         assertEquals(Uri.parse("content://de.dennisguse.opentracks.debug.content/tracks/KML_WITH_TRACKDETAIL_AND_SENSORDATA/1/..%2F..%2F%261%3D1"), shareURIandMIME.first);
     }
diff --git a/src/main/java/de/dennisguse/opentracks/data/ShareContentProvider.java b/src/main/java/de/dennisguse/opentracks/data/ShareContentProvider.java
index d2c59f6ae..4e5b3b9f3 100644
--- a/src/main/java/de/dennisguse/opentracks/data/ShareContentProvider.java
+++ b/src/main/java/de/dennisguse/opentracks/data/ShareContentProvider.java
@@ -24,6 +24,7 @@ import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
+import java.util.stream.Collectors;
 
 import de.dennisguse.opentracks.data.models.Track;
 import de.dennisguse.opentracks.data.tables.TracksColumns;
@@ -72,9 +73,7 @@ public class ShareContentProvider extends CustomContentProvider {
      * @return An URI for one file containing this tracks.
      */
     public static Pair<Uri, String> createURI(Track.Id trackId, String trackName, @NonNull TrackFileFormat trackFileFormat) {
-        Set<Track.Id> trackIds = new HashSet<>(1);
-        trackIds.add(trackId);
-        return createURI(trackIds, trackName, trackFileFormat);
+        return createURI(Set.of(trackId), trackName, trackFileFormat);
     }
 
     /**
@@ -108,11 +107,7 @@ public class ShareContentProvider extends CustomContentProvider {
 
         String[] uriTrackIds = uriPaths.get(2).split(TRACKID_DELIMITER);
 
-        Set<Track.Id> trackIds = new HashSet<>();
-        for (String uriTrackId : uriTrackIds) {
-            trackIds.add(new Track.Id(Long.parseLong(uriTrackId)));
-        }
-        return trackIds;
+        return Arrays.stream(uriTrackIds).map(uriTrackId -> new Track.Id(Long.parseLong(uriTrackId))).collect(Collectors.toSet());
     }
 
     /**
diff --git a/src/main/java/de/dennisguse/opentracks/data/TrackDataHub.java b/src/main/java/de/dennisguse/opentracks/data/TrackDataHub.java
index 0182022ba..def843c74 100644
--- a/src/main/java/de/dennisguse/opentracks/data/TrackDataHub.java
+++ b/src/main/java/de/dennisguse/opentracks/data/TrackDataHub.java
@@ -25,14 +25,12 @@ import android.os.HandlerThread;
 import android.util.Log;
 
 import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.Set;
 
-import de.dennisguse.opentracks.data.models.Altitude;
 import de.dennisguse.opentracks.data.models.Marker;
 import de.dennisguse.opentracks.data.models.Speed;
 import de.dennisguse.opentracks.data.models.Track;