diff --git a/plugins/org.eclipse.dd.gdb/src/org/eclipse/dd/gdb/internal/provisional/service/GDBProcesses.java b/plugins/org.eclipse.dd.gdb/src/org/eclipse/dd/gdb/internal/provisional/service/GDBProcesses.java
index 17f61fbe84a..66f465d42ab 100644
--- a/plugins/org.eclipse.dd.gdb/src/org/eclipse/dd/gdb/internal/provisional/service/GDBProcesses.java
+++ b/plugins/org.eclipse.dd.gdb/src/org/eclipse/dd/gdb/internal/provisional/service/GDBProcesses.java
@@ -29,6 +29,7 @@ import org.eclipse.dd.dsf.service.DsfSession;
 import org.eclipse.dd.gdb.internal.GdbPlugin;
 import org.eclipse.dd.gdb.internal.provisional.service.command.GDBControl;
 import org.eclipse.dd.gdb.internal.provisional.service.command.GDBControl.SessionType;
+import org.eclipse.dd.mi.service.IMIProcessDMContext;
 import org.eclipse.dd.mi.service.MIProcesses;
 import org.eclipse.dd.mi.service.command.MIControlDMContext;
 import org.eclipse.dd.mi.service.command.MIInferiorProcess;
@@ -98,8 +99,8 @@ public class GDBProcesses extends MIProcesses {
 	@Override
 	public void getExecutionData(IThreadDMContext dmc, DataRequestMonitor<IThreadDMData> rm) {
 		// We must first check for GdbProcessDMC because it is also a GdbThreadDMC
-		if (dmc instanceof MIProcessDMC) {
-			String pidStr = ((MIProcessDMC)dmc).getProcId();
+		if (dmc instanceof IMIProcessDMContext) {
+			String pidStr = ((IMIProcessDMContext)dmc).getProcId();
 			int pid = -1;
 			try {
 				pid = Integer.parseInt(pidStr);
@@ -174,7 +175,7 @@ public class GDBProcesses extends MIProcesses {
 	}
 
 	private IProcessDMContext[] makeProcessDMCs(MIControlDMContext controlDmc, IProcessInfo[] processes) {
-		IProcessDMContext[] procDmcs = new MIProcessDMC[processes.length];
+		IProcessDMContext[] procDmcs = new IMIProcessDMContext[processes.length];
 		for (int i=0; i<procDmcs.length; i++) {
 			procDmcs[i] = createProcessContext(controlDmc, Integer.toString(processes[i].getPid())); 
 		}
@@ -183,7 +184,7 @@ public class GDBProcesses extends MIProcesses {
 	
 	@Override
     public void terminate(IThreadDMContext thread, RequestMonitor rm) {
-		if (thread instanceof MIProcessDMC) {
+		if (thread instanceof IMIProcessDMContext) {
 			fGdb.terminate(rm);
 	    } else {
             rm.setStatus(new Status(IStatus.ERROR, GdbPlugin.PLUGIN_ID, INTERNAL_ERROR, "Invalid process context.", null)); //$NON-NLS-1$
diff --git a/plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/MIProcesses.java b/plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/MIProcesses.java
index 3c42060b56e..aaf5ac4efdd 100644
--- a/plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/MIProcesses.java
+++ b/plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/MIProcesses.java
@@ -57,7 +57,7 @@ public class MIProcesses extends AbstractDsfService implements IProcesses {
 	 * Context representing a thread group of GDB/MI. 
 	 */
     @Immutable
-	protected class MIExecutionGroupDMC extends AbstractDMContext
+	private static class MIExecutionGroupDMC extends AbstractDMContext
 	implements IMIExecutionGroupDMContext
 	{
 		/**
@@ -74,7 +74,7 @@ public class MIProcesses extends AbstractDsfService implements IProcesses {
 		 * @param processDmc The process context that is the parent of this context.
 		 * @param groupId GDB/MI thread group identifier.
 		 */
-		protected MIExecutionGroupDMC(String sessionId, IProcessDMContext processDmc, String groupId) {
+		public MIExecutionGroupDMC(String sessionId, IProcessDMContext processDmc, String groupId) {
 			super(sessionId, processDmc == null ? new IDMContext[0] : new IDMContext[] { processDmc });
 			fId = groupId;
 		}
@@ -101,7 +101,7 @@ public class MIProcesses extends AbstractDsfService implements IProcesses {
 	 * Context representing a thread. 
 	 */
     @Immutable
-    protected class MIThreadDMC extends AbstractDMContext
+    private static class MIThreadDMC extends AbstractDMContext
     implements IThreadDMContext
     {
     	/**
@@ -119,7 +119,7 @@ public class MIProcesses extends AbstractDsfService implements IProcesses {
     	 * @param processDmc The process that this thread belongs to.
     	 * @param id thread identifier.
     	 */
-    	protected MIThreadDMC(String sessionId, IProcessDMContext processDmc, String id) {
+    	public MIThreadDMC(String sessionId, IProcessDMContext processDmc, String id) {
 			super(sessionId, processDmc == null ? new IDMContext[0] : new IDMContext[] { processDmc });
     		fId = id;
     	}
@@ -144,7 +144,7 @@ public class MIProcesses extends AbstractDsfService implements IProcesses {
     }
 
     @Immutable
-    protected class MIProcessDMC extends AbstractDMContext
+    private static class MIProcessDMC extends AbstractDMContext
     implements IMIProcessDMContext
     {
       	/**
@@ -162,7 +162,7 @@ public class MIProcesses extends AbstractDsfService implements IProcesses {
          * @param controlDmc The control context parent of this process.
     	 * @param id process identifier.
     	 */
-    	protected MIProcessDMC(String sessionId, MIControlDMContext controlDmc, String id) {
+    	public MIProcessDMC(String sessionId, MIControlDMContext controlDmc, String id) {
 			super(sessionId, controlDmc == null ? new IDMContext[0] : new IDMContext[] { controlDmc });
     		fId = id;
     	}
diff --git a/plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/MIRunControlNS.java b/plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/MIRunControlNS.java
index a60eb7e17d2..2f6d8d88429 100644
--- a/plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/MIRunControlNS.java
+++ b/plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/MIRunControlNS.java
@@ -77,7 +77,8 @@ public class MIRunControlNS extends AbstractDsfService implements IMIRunControl
 	// it would be declared only once in IMIRunControl but this is real life and
 	// it has to be duplicated for the sake of backward compatibility.
 	// It sucks and leads to bloated, error-prone code but that's the way it is.
-	class MIExecutionDMCNS extends AbstractDMContext implements IMIExecutionDMContext
+	@Immutable
+	private static class MIExecutionDMCNS extends AbstractDMContext implements IMIExecutionDMContext
 	{
 		/**
 		 * Integer ID that is used to identify the thread in the GDB/MI protocol.