diff --git a/include/zephyr/internal/syscall_handler.h b/include/zephyr/internal/syscall_handler.h
index 2952dc6d68c..cae1ba06983 100644
--- a/include/zephyr/internal/syscall_handler.h
+++ b/include/zephyr/internal/syscall_handler.h
@@ -157,7 +157,7 @@ void z_thread_perms_all_clear(struct k_thread *thread);
  *
  * @param object Address of the kernel object
  */
-void z_object_uninit(const void *obj);
+void k_object_uninit(const void *obj);
 
 /**
  * Initialize and reset permissions to only access by the caller
diff --git a/kernel/sched.c b/kernel/sched.c
index f3a5c92d7f6..4d8f4deecbf 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1752,8 +1752,8 @@ static void end_thread(struct k_thread *thread)
 #ifdef CONFIG_USERSPACE
 		z_mem_domain_exit_thread(thread);
 		z_thread_perms_all_clear(thread);
-		z_object_uninit(thread->stack_obj);
-		z_object_uninit(thread);
+		k_object_uninit(thread->stack_obj);
+		k_object_uninit(thread);
 #endif
 	}
 }
diff --git a/kernel/userspace.c b/kernel/userspace.c
index 314727569fd..b44526e4afe 100644
--- a/kernel/userspace.c
+++ b/kernel/userspace.c
@@ -790,7 +790,7 @@ void k_object_recycle(const void *obj)
 	}
 }
 
-void z_object_uninit(const void *obj)
+void k_object_uninit(const void *obj)
 {
 	struct k_object *ko;