diff --git a/tests/kernel/spinlock/src/main.c b/tests/kernel/spinlock/src/main.c
index 4ad13373d15c1..e204035f3c75c 100644
--- a/tests/kernel/spinlock/src/main.c
+++ b/tests/kernel/spinlock/src/main.c
@@ -137,6 +137,8 @@ ZTEST(spinlock, test_spinlock_bounce)
 		bounce_once(1234, false);
 	}
 
+	k_thread_abort(&cpu1_thread);
+
 	bounce_done = 1;
 }
 
@@ -219,6 +221,8 @@ ZTEST(spinlock, test_trylock)
 
 	bounce_done = 1;
 
+	k_thread_abort(&cpu1_thread);
+
 	zassert_true(trylock_failures > 0);
 	zassert_true(trylock_successes > 0);
 }