diff --git a/src/de/mas/jnus/lib/WUDService.java b/src/de/mas/jnus/lib/WUDService.java
index 9dddb96..2869532 100644
--- a/src/de/mas/jnus/lib/WUDService.java
+++ b/src/de/mas/jnus/lib/WUDService.java
@@ -11,9 +11,6 @@ import java.util.HashMap;
 import java.util.Locale;
 import java.util.Map;
 import java.util.Map.Entry;
-
-import com.sun.org.apache.xerces.internal.util.SynchronizedSymbolTable;
-
 import java.util.TreeMap;
 
 import de.mas.jnus.lib.implementations.wud.WUDImage;
diff --git a/src/de/mas/jnus/lib/implementations/NUSDataProviderRemote.java b/src/de/mas/jnus/lib/implementations/NUSDataProviderRemote.java
index af56753..4b52658 100644
--- a/src/de/mas/jnus/lib/implementations/NUSDataProviderRemote.java
+++ b/src/de/mas/jnus/lib/implementations/NUSDataProviderRemote.java
@@ -57,6 +57,6 @@ public class NUSDataProviderRemote extends NUSDataProvider {
 
     @Override
     public byte[] getRawCert() throws IOException {
-        return nulL;
+        return null;
     }
 }