diff --git a/c/src/exec/posix/src/mqueuecreatesupp.c b/c/src/exec/posix/src/mqueuecreatesupp.c
index 148f5b54cb..6b3e5dbe58 100644
--- a/c/src/exec/posix/src/mqueuecreatesupp.c
+++ b/c/src/exec/posix/src/mqueuecreatesupp.c
@@ -74,7 +74,7 @@ int _POSIX_Message_queue_Create_support(
     attr = *attr_ptr;
   }
 
-#if defined(RTEMS_MULTIPROCESSING)
+#if 0 && defined(RTEMS_MULTIPROCESSING)
   if ( pshared == PTHREAD_PROCESS_SHARED &&
        !( _Objects_MP_Allocate_and_open( &_POSIX_Message_queue_Information, 0,
                             the_mq->Object.id, FALSE ) ) ) {
@@ -112,14 +112,14 @@ int _POSIX_Message_queue_Create_support(
            the_mq_attr,
            attr.mq_maxmsg,
            attr.mq_msgsize,
-#if defined(RTEMS_MULTIPROCESSING)
+#if 0 && defined(RTEMS_MULTIPROCESSING)
            _POSIX_Message_queue_MP_Send_extract_proxy
 #else
            NULL
 #endif
       ) ) {
 
-#if defined(RTEMS_MULTIPROCESSING)
+#if 0 && defined(RTEMS_MULTIPROCESSING)
     if ( pshared == PTHREAD_PROCESS_SHARED )
       _Objects_MP_Close( &_POSIX_Message_queue_Information, the_mq->Object.id );
 #endif
@@ -137,7 +137,7 @@ int _POSIX_Message_queue_Create_support(
  
   *message_queue = the_mq;
  
-#if defined(RTEMS_MULTIPROCESSING)
+#if 0 && defined(RTEMS_MULTIPROCESSING)
   if ( pshared == PTHREAD_PROCESS_SHARED )
     _POSIX_Message_queue_MP_Send_process_packet(
       POSIX_MESSAGE_QUEUE_MP_ANNOUNCE_CREATE,
diff --git a/c/src/exec/posix/src/mqueuedeletesupp.c b/c/src/exec/posix/src/mqueuedeletesupp.c
index ec717aedad..f8076d601a 100644
--- a/c/src/exec/posix/src/mqueuedeletesupp.c
+++ b/c/src/exec/posix/src/mqueuedeletesupp.c
@@ -48,7 +48,7 @@ void _POSIX_Message_queue_Delete(
 
     _POSIX_Message_queue_Free( the_mq );
  
-#if defined(RTEMS_MULTIPROCESSING)
+#if 0 && defined(RTEMS_MULTIPROCESSING)
     if ( the_mq->process_shared == PTHREAD_PROCESS_SHARED ) {
  
       _Objects_MP_Close(
diff --git a/c/src/exec/posix/src/mqueueunlink.c b/c/src/exec/posix/src/mqueueunlink.c
index 4c219eecea..26399386a7 100644
--- a/c/src/exec/posix/src/mqueueunlink.c
+++ b/c/src/exec/posix/src/mqueueunlink.c
@@ -63,7 +63,7 @@ int mq_unlink(
     _Objects_Get_index( the_mq_id )
   );
   
-#if defined(RTEMS_MULTIPROCESSING)
+#if 0 && defined(RTEMS_MULTIPROCESSING)
   if ( the_mq->process_shared == PTHREAD_PROCESS_SHARED ) {
     _Objects_MP_Close( &_POSIX_Message_queue_Information, the_mq_id );
   }