diff --git a/F-Droid/src/org/fdroid/fdroid/AppDetails.java b/F-Droid/src/org/fdroid/fdroid/AppDetails.java
index 11faee67c..cb833e8e9 100644
--- a/F-Droid/src/org/fdroid/fdroid/AppDetails.java
+++ b/F-Droid/src/org/fdroid/fdroid/AppDetails.java
@@ -1262,11 +1262,9 @@ public class AppDetails extends ActionBarActivity implements ProgressListener, A
     public static class AppDetailsHeaderFragment extends Fragment {
 
         private AppDetailsData data;
-        protected final Preferences prefs;
         protected final DisplayImageOptions displayImageOptions;
 
         public AppDetailsHeaderFragment() {
-            prefs = Preferences.get();
             displayImageOptions = new DisplayImageOptions.Builder()
                 .cacheInMemory(true)
                 .cacheOnDisk(true)
diff --git a/F-Droid/src/org/fdroid/fdroid/data/Repo.java b/F-Droid/src/org/fdroid/fdroid/data/Repo.java
index 2845c647e..2d04b4218 100644
--- a/F-Droid/src/org/fdroid/fdroid/data/Repo.java
+++ b/F-Droid/src/org/fdroid/fdroid/data/Repo.java
@@ -12,8 +12,6 @@ import java.util.Date;
 
 public class Repo extends ValueObject {
 
-    private static final String TAG = "fdroid.Repo";
-
     public static final int VERSION_DENSITY_SPECIFIC_ICONS = 11;
 
     protected long id;
diff --git a/F-Droid/src/org/fdroid/fdroid/data/ValueObject.java b/F-Droid/src/org/fdroid/fdroid/data/ValueObject.java
index 7499764df..78c5a51b8 100644
--- a/F-Droid/src/org/fdroid/fdroid/data/ValueObject.java
+++ b/F-Droid/src/org/fdroid/fdroid/data/ValueObject.java
@@ -4,8 +4,6 @@ import android.database.Cursor;
 
 abstract class ValueObject {
 
-    private static final String TAG = "fdroid.ValueObject";
-
     protected void checkCursorPosition(Cursor cursor) throws IllegalArgumentException {
         if (cursor.getPosition() == -1) {
             throw new IllegalArgumentException(