diff --git a/kernel/include/kthread.h b/kernel/include/kthread.h
index 35049c7805bdef..a751d4cd505fae 100644
--- a/kernel/include/kthread.h
+++ b/kernel/include/kthread.h
@@ -108,8 +108,7 @@ static inline bool z_is_thread_timeout_active(struct k_thread *thread)
 
 static inline bool z_is_thread_ready(struct k_thread *thread)
 {
-	return !((z_is_thread_prevented_from_running(thread)) != 0U ||
-		 z_is_thread_timeout_active(thread));
+	return !z_is_thread_prevented_from_running(thread);
 }
 
 static inline bool z_is_thread_state_set(struct k_thread *thread, uint32_t state)
diff --git a/kernel/sched.c b/kernel/sched.c
index 0c2be8ab74b870..add0dc51ddf106 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1164,10 +1164,10 @@ void z_impl_k_wakeup(k_tid_t thread)
 {
 	SYS_PORT_TRACING_OBJ_FUNC(k_thread, wakeup, thread);
 
-	z_abort_thread_timeout(thread);
-
 	k_spinlock_key_t  key = k_spin_lock(&_sched_spinlock);
 
+	z_abort_thread_timeout(thread);
+
 	if (!z_is_thread_sleeping(thread)) {
 		k_spin_unlock(&_sched_spinlock, key);
 		return;