diff --git a/cpukit/posix/include/rtems/posix/mqueue.h b/cpukit/posix/include/rtems/posix/mqueue.h
index 19dacc2612..1e2e7a7429 100644
--- a/cpukit/posix/include/rtems/posix/mqueue.h
+++ b/cpukit/posix/include/rtems/posix/mqueue.h
@@ -20,7 +20,7 @@
 #define _RTEMS_POSIX_MQUEUE_H
 
 #include <signal.h>
-
+#include <mqueue.h> /* struct mq_attr */
 #include <rtems/score/coremsg.h>
 #include <rtems/score/object.h>
 
diff --git a/cpukit/posix/include/rtems/posix/timer.h b/cpukit/posix/include/rtems/posix/timer.h
index d7633db531..c061e9d6b7 100644
--- a/cpukit/posix/include/rtems/posix/timer.h
+++ b/cpukit/posix/include/rtems/posix/timer.h
@@ -18,6 +18,7 @@
 
 #include <rtems/posix/config.h>
 #include <rtems/score/object.h>
+#include <rtems/score/watchdog.h> /* Watchdog_Control */
 
 #ifdef __cplusplus
 extern "C" {