diff --git a/de.hftstuttgart.cityunits.model/src/de/hftstuttgart/cityunits/model/NullableQuantity.java b/de.hftstuttgart.cityunits.model/src/de/hftstuttgart/cityunits/model/NullableQuantity.java
index 3c8ad9d4b891d8993b062bbca6a09c7f02e10d3f..f85f1a5fbd3d71fb12f662a6f8c2114ddf7e5f16 100644
--- a/de.hftstuttgart.cityunits.model/src/de/hftstuttgart/cityunits/model/NullableQuantity.java
+++ b/de.hftstuttgart.cityunits.model/src/de/hftstuttgart/cityunits/model/NullableQuantity.java
@@ -27,8 +27,6 @@ import tech.units.indriya.quantity.Quantities;
  * of the quantity is always defined.
  */
 public class NullableQuantity {
-	   private static final Bundle BUNDLE = FrameworkUtil.getBundle(NullableQuantity.class);
-	   private static final ILog LOGGER = Platform.getLog(BUNDLE);
 	
 	static {
 		// TODO Implement specific QuantityFormat to enable custom number format?
@@ -43,22 +41,17 @@ public class NullableQuantity {
 	public static NullableQuantity create(String str) {
 		NullableQuantity newNullableQuantity = null;
 		try {
-			LOGGER.log(new Status(Status.INFO, BUNDLE.getSymbolicName(), "Create Quantity from " + str));
 			NumberFormat.getInstance().parse(str);
 			newNullableQuantity = new NullableQuantity(str);
 		} catch (final ParseException ex) { // no number value present: create NullQuantity just with unit
 			try {
 				NullableQuantity dummy = new NullableQuantity("1 " + str); //$NON-NLS-1$
-				LOGGER.log(new Status(Status.INFO, BUNDLE.getSymbolicName(),
-						"Create Quantity just with unit from " + str));
 				newNullableQuantity = new NullQuantity(dummy.getUnit());
 			} catch (final IllegalArgumentException ex1) { // Unit could not be parsed
-				LOGGER.log(new Status(Status.WARNING, BUNDLE.getSymbolicName(),
-						"Unit '" + str + "'  could not be parsed!", ex));
+				Platform.getLog(NullableQuantity.class).warn("Unit '" + str + "'  could not be parsed!", ex);
 			}
 		} catch (final IllegalArgumentException ex) { // Quantity could not be parsed
-			LOGGER.log(new Status(Status.WARNING, BUNDLE.getSymbolicName(),
-					"Quantity '" + str + "'  could not be parsed!", ex));
+			Platform.getLog(NullableQuantity.class).warn("Quantity '" + str + "'  could not be parsed!", ex);
 		}
 		return newNullableQuantity;
 	}