1 files changed, 2 insertions, 2 deletions
diff --git a/src/cpu.c b/src/cpu.c
index b689ecf2d7..2371ec2e5b 100644
--- a/src/cpu.c
+++ b/src/cpu.c
@@ -19,7 +19,7 @@ rt_hw_spinlock_t _cpus_lock;
  */
 static void _cpu_preempt_disable(void)
 {
-    register rt_base_t level;
+    rt_base_t level;
     struct rt_thread *current_thread;
 
     /* disable interrupt */
@@ -44,7 +44,7 @@ static void _cpu_preempt_disable(void)
  */
 static void _cpu_preempt_enable(void)
 {
-    register rt_base_t level;
+    rt_base_t level;
     struct rt_thread *current_thread;
 
     /* disable interrupt */