diff --git a/tools/cooja/java/org/contikios/cooja/contikimote/ContikiMoteType.java b/tools/cooja/java/org/contikios/cooja/contikimote/ContikiMoteType.java
index 2a633f67a..adeed023d 100644
--- a/tools/cooja/java/org/contikios/cooja/contikimote/ContikiMoteType.java
+++ b/tools/cooja/java/org/contikios/cooja/contikimote/ContikiMoteType.java
@@ -212,6 +212,9 @@ public class ContikiMoteType implements MoteType {
   // Initial memory for all motes of this type
   private SectionMoteMemory initialMemory = null;
 
+  /** Offset between native (cooja) and contiki address space */
+  long offset;
+
   /**
    * Creates a new uninitialized Cooja mote type. This mote type needs to load
    * a library file and parse a map file before it can be used.
@@ -484,9 +487,8 @@ public class ContikiMoteType implements MoteType {
      *
      * This offset will be used in Cooja in the memory abstraction to match
      * Contiki's and Cooja's address spaces */
-    int offset;
     {
-      SectionMoteMemory tmp = new SectionMoteMemory(variables, 0);
+      SectionMoteMemory tmp = new SectionMoteMemory(variables);
       VarMemory varMem = new VarMemory(tmp);
       tmp.addMemorySection("tmp.data", dataSecParser.parse());
 
@@ -508,7 +510,7 @@ public class ContikiMoteType implements MoteType {
     }
 
     /* Create initial memory: data+bss+optional common */
-    initialMemory = new SectionMoteMemory(variables, offset);
+    initialMemory = new SectionMoteMemory(variables);
 
     initialMemory.addMemorySection("data", dataSecParser.parse());
 
diff --git a/tools/cooja/java/org/contikios/cooja/dialogs/ConfigurationWizard.java b/tools/cooja/java/org/contikios/cooja/dialogs/ConfigurationWizard.java
index de4beff02..40202fc7a 100644
--- a/tools/cooja/java/org/contikios/cooja/dialogs/ConfigurationWizard.java
+++ b/tools/cooja/java/org/contikios/cooja/dialogs/ConfigurationWizard.java
@@ -963,7 +963,7 @@ public class ConfigurationWizard extends JDialog {
     byte[] initialBssSection = new byte[bssSectionSize];
     javaLibrary.getMemory(relDataSectionAddr, dataSectionSize, initialDataSection);
     javaLibrary.getMemory(relBssSectionAddr, bssSectionSize, initialBssSection);
-    SectionMoteMemory memory = new SectionMoteMemory(addresses, 0);
+    SectionMoteMemory memory = new SectionMoteMemory(addresses);
     VarMemory varMem = new VarMemory(memory);
     memory.setMemorySegment(relDataSectionAddr, initialDataSection);
     memory.setMemorySegment(relBssSectionAddr, initialBssSection);
diff --git a/tools/cooja/java/org/contikios/cooja/mote/memory/SectionMoteMemory.java b/tools/cooja/java/org/contikios/cooja/mote/memory/SectionMoteMemory.java
index f1a43cebe..62c12df24 100644
--- a/tools/cooja/java/org/contikios/cooja/mote/memory/SectionMoteMemory.java
+++ b/tools/cooja/java/org/contikios/cooja/mote/memory/SectionMoteMemory.java
@@ -57,16 +57,11 @@ public class SectionMoteMemory implements MemoryInterface {
   private MemoryLayout memLayout;
   private long startAddr = Long.MAX_VALUE;
 
-  /* used to map Cooja's address space to native (Contiki's) addresses */
-  private final int offset;
-  
   /**
    * @param symbols Symbol addresses
-   * @param offset Offset for internally used addresses
    */
-  public SectionMoteMemory(Map<String, Symbol> symbols, int offset) {
+  public SectionMoteMemory(Map<String, Symbol> symbols) {
     this.symbols = symbols;
-    this.offset = offset;
   }
 
   /**
@@ -248,10 +243,6 @@ public class SectionMoteMemory implements MemoryInterface {
             address, address + data.length - 1);
   }
 
-  public void setMemorySegmentNative(long address, byte[] data) throws MoteMemoryException {
-    setMemorySegment(address + offset, data);
-  }
-
   @Override
   public long getStartAddr() {
     return startAddr;
@@ -292,7 +283,7 @@ public class SectionMoteMemory implements MemoryInterface {
   @Override
   public SectionMoteMemory clone() {
 
-    SectionMoteMemory clone = new SectionMoteMemory(symbols, offset);
+    SectionMoteMemory clone = new SectionMoteMemory(symbols);
 
     for (String secname : sections.keySet()) {
       // Copy section memory to new ArrayMemory
diff --git a/tools/cooja/java/org/contikios/cooja/motes/AbstractApplicationMote.java b/tools/cooja/java/org/contikios/cooja/motes/AbstractApplicationMote.java
index a7a8deaf6..98de78327 100644
--- a/tools/cooja/java/org/contikios/cooja/motes/AbstractApplicationMote.java
+++ b/tools/cooja/java/org/contikios/cooja/motes/AbstractApplicationMote.java
@@ -92,7 +92,7 @@ public abstract class AbstractApplicationMote extends AbstractWakeupMote impleme
     setSimulation(sim);
     this.moteType = moteType;
     MemoryLayout.getNative();
-    this.memory = new SectionMoteMemory(new HashMap<String, Symbol>(), 0);
+    this.memory = new SectionMoteMemory(new HashMap<String, Symbol>());
     this.moteInterfaces = new MoteInterfaceHandler(this, moteType.getMoteInterfaceClasses());
     this.moteInterfaces.getRadio().addObserver(radioDataObserver);
     requestImmediateWakeup();
@@ -152,7 +152,7 @@ public abstract class AbstractApplicationMote extends AbstractWakeupMote impleme
   public boolean setConfigXML(Simulation simulation,
       Collection<Element> configXML, boolean visAvailable) {
     setSimulation(simulation);
-    this.memory = new SectionMoteMemory(new HashMap<String, Symbol>(), 0);
+    this.memory = new SectionMoteMemory(new HashMap<String, Symbol>());
     moteInterfaces.getRadio().addObserver(radioDataObserver);
 
     for (Element element : configXML) {