diff --git a/pom.xml b/pom.xml
index 555198a..1b6d477 100644
--- a/pom.xml
+++ b/pom.xml
@@ -95,6 +95,16 @@
             <version>2.2</version>
         </dependency>
         <dependency>
+            <groupId>ca.uhn.hapi</groupId>
+            <artifactId>hapi-structures-v22</artifactId>
+            <version>2.2</version>
+        </dependency>
+        <dependency>
+            <groupId>ca.uhn.hapi</groupId>
+            <artifactId>hapi-structures-v25</artifactId>
+            <version>2.2</version>
+        </dependency>
+        <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-log4j12</artifactId>
             <version>1.6.6</version>
diff --git a/src/main/java/de/uniluebeck/mi/projmi6/hapi/HL7Receiver.java b/src/main/java/de/uniluebeck/mi/projmi6/hapi/HL7Receiver.java
index 5280b09..509c47b 100644
--- a/src/main/java/de/uniluebeck/mi/projmi6/hapi/HL7Receiver.java
+++ b/src/main/java/de/uniluebeck/mi/projmi6/hapi/HL7Receiver.java
@@ -26,6 +26,7 @@ import java.util.Map;
 
 /**
  * Manages all HL7 receiving tasks
+ *
  * @param <T>
  */
 public class HL7Receiver<T extends AbstractMessage> implements ReceivingApplication {
@@ -63,6 +64,7 @@ public class HL7Receiver<T extends AbstractMessage> implements ReceivingApplicat
 
     /**
      * generates an ACK of received message, throws Exception otherwise
+     *
      * @param message to generate ACK
      * @return ACK of message
      * @throws HL7Exception
@@ -77,8 +79,9 @@ public class HL7Receiver<T extends AbstractMessage> implements ReceivingApplicat
 
     /**
      * generates an ACK with error code and log
+     *
      * @param message to generate ACK
-     * @param s error string
+     * @param s       error string
      * @return ACK with error code
      * @throws HL7Exception
      */
@@ -99,7 +102,8 @@ public class HL7Receiver<T extends AbstractMessage> implements ReceivingApplicat
 
     /**
      * encodes incoming message and save changes in database
-     * @param message received
+     *
+     * @param message  received
      * @param metadata //TODO
      * @return ACK of message
      * @throws HL7Exception
@@ -292,9 +296,6 @@ public class HL7Receiver<T extends AbstractMessage> implements ReceivingApplicat
 
 
     private Message processADT_A01(Message message, Map<String, Object> metadata) throws HL7Exception {
-        ADT_A01 adt_a01 = (ADT_A01) message;
-        System.out.println(adt_a01.toString());
-
         return generateACK(message);
     }