diff --git a/cpukit/include/rtems/score/threadimpl.h b/cpukit/include/rtems/score/threadimpl.h
index 45c0795d9c..f25e347e33 100644
--- a/cpukit/include/rtems/score/threadimpl.h
+++ b/cpukit/include/rtems/score/threadimpl.h
@@ -74,11 +74,6 @@ typedef struct {
  */
 extern Thread_Zombie_registry _Thread_Zombies;
 
-/**
- *  Self for the GNU Ada Run-Time
- */
-extern void *rtems_ada_self;
-
 /**
  * @brief Object identifier of the global constructor thread.
  *