diff --git a/F-Droid/src/org/fdroid/fdroid/RepoUpdater.java b/F-Droid/src/org/fdroid/fdroid/RepoUpdater.java
index 10f7ff526..78b27ddff 100644
--- a/F-Droid/src/org/fdroid/fdroid/RepoUpdater.java
+++ b/F-Droid/src/org/fdroid/fdroid/RepoUpdater.java
@@ -184,10 +184,12 @@ public class RepoUpdater {
 
     /**
      * My crappy benchmark with a Nexus 4, Android 5.0 on a fairly crappy internet connection I get:
-     *  * 25 = { 39, 35 } seconds
-     *  * 50 = { 36, 30 } seconds
-     *  * 100 = { 33, 27 } seconds
-     *  * 200 = { 30, 33 } seconds
+     *  * 25 = 37 seconds
+     *  * 50 = 33 seconds
+     *  * 100 = 30 seconds
+     *  * 200 = 32 seconds
+     *  Raising this means more memory consumption, so we'd like it to be low, but not
+     *  so low that it takes too long.
      */
     private static final int MAX_APP_BUFFER = 50;
 
@@ -241,8 +243,7 @@ public class RepoUpdater {
         try {
             context.getContentResolver().applyBatch(TempAppProvider.getAuthority(), appOperations);
         } catch (RemoteException|OperationApplicationException e) {
-            Log.e(TAG, "Error updating apps", e);
-            throw new UpdateException(repo, "Error updating apps: " + e.getMessage(), e);
+            throw new UpdateException(repo, "An internal error occured while updating the database", e);
         }
     }
 
@@ -378,7 +379,6 @@ public class RepoUpdater {
             }
         }
 
-        // TODO: Deal with more than MAX_QUERY_PARAMS...
         if (toDelete.size() > 0) {
             Uri uri = TempApkProvider.getApksUri(repo, toDelete);
             return ContentProviderOperation.newDelete(uri).build();
diff --git a/F-Droid/src/org/fdroid/fdroid/RepoXMLHandler.java b/F-Droid/src/org/fdroid/fdroid/RepoXMLHandler.java
index c0dd841f0..8f336863a 100644
--- a/F-Droid/src/org/fdroid/fdroid/RepoXMLHandler.java
+++ b/F-Droid/src/org/fdroid/fdroid/RepoXMLHandler.java
@@ -34,17 +34,6 @@ import java.util.List;
 
 /**
  * Parses the index.xml into Java data structures.
- *
- * For streaming apks from an index file, it is helpful if the index has the <repo> tag before
- * any <application> tags. This means that apps and apks can be saved instantly by the RepoUpdater,
- * without having to buffer them at all, saving memory. The XML spec doesn't mandate order like
- * this, though it is almost always a fair assumption:
- *
- *   http://www.ibm.com/developerworks/library/x-eleord/index.html
- *
- * This is doubly so, as repo indices are likely from fdroidserver, which will output everybodys
- * repo the same way. Having said that, this also should not be _forced_ upon people, but we can
- * at least consider rejecting malformed indexes.
  */
 public class RepoXMLHandler extends DefaultHandler {
 
diff --git a/F-Droid/src/org/fdroid/fdroid/data/TempApkProvider.java b/F-Droid/src/org/fdroid/fdroid/data/TempApkProvider.java
index e2806fd49..8a6f8e20e 100644
--- a/F-Droid/src/org/fdroid/fdroid/data/TempApkProvider.java
+++ b/F-Droid/src/org/fdroid/fdroid/data/TempApkProvider.java
@@ -1,20 +1,12 @@
 package org.fdroid.fdroid.data;
 
-import android.content.ContentResolver;
 import android.content.ContentValues;
 import android.content.Context;
 import android.content.UriMatcher;
-import android.database.Cursor;
 import android.net.Uri;
-import android.provider.BaseColumns;
 import android.util.Log;
 
-import org.fdroid.fdroid.Utils;
-
-import java.util.ArrayList;
-import java.util.HashMap;
 import java.util.List;
-import java.util.Map;
 
 /**
  * This class does all of its operations in a temporary sqlite table.
@@ -27,7 +19,6 @@ public class TempApkProvider extends ApkProvider {
 
     private static final String PATH_INIT = "init";
     private static final String PATH_COMMIT = "commit";
-    private static final String PATH_ROLLBACK = "rollback";
 
     private static final int CODE_INIT = 10000;
     private static final int CODE_COMMIT = CODE_INIT + 1;
@@ -119,8 +110,4 @@ public class TempApkProvider extends ApkProvider {
         write().execSQL("DELETE FROM " + DBHelper.TABLE_APK);
         write().execSQL("INSERT INTO " + DBHelper.TABLE_APK + " SELECT * FROM " + getTableName());
     }
-
-    private void removeTable() {
-        write().execSQL("DROP TABLE IF EXISTS " + getTableName());
-    }
 }
diff --git a/F-Droid/src/org/fdroid/fdroid/data/TempAppProvider.java b/F-Droid/src/org/fdroid/fdroid/data/TempAppProvider.java
index b4c9fb7eb..e469191f8 100644
--- a/F-Droid/src/org/fdroid/fdroid/data/TempAppProvider.java
+++ b/F-Droid/src/org/fdroid/fdroid/data/TempAppProvider.java
@@ -6,8 +6,6 @@ import android.content.UriMatcher;
 import android.net.Uri;
 import android.util.Log;
 
-import java.util.List;
-
 /**
  * This class does all of its operations in a temporary sqlite table.
  */
@@ -19,7 +17,6 @@ public class TempAppProvider extends AppProvider {
 
     private static final String PATH_INIT = "init";
     private static final String PATH_COMMIT = "commit";
-    private static final String PATH_ROLLBACK = "rollback";
 
     private static final int CODE_INIT = 10000;
     private static final int CODE_COMMIT = CODE_INIT + 1;
@@ -96,8 +93,4 @@ public class TempAppProvider extends AppProvider {
         write().execSQL("DELETE FROM " + DBHelper.TABLE_APP);
         write().execSQL("INSERT INTO " + DBHelper.TABLE_APP + " SELECT * FROM " + getTableName());
     }
-
-    private void removeTable() {
-
-    }
 }