1 files changed, 0 insertions, 11 deletions
diff --git a/libcpu/arm/cortex-a/cpu.c b/libcpu/arm/cortex-a/cpu.c
index 9555e01e9c..7367bddd9f 100644
--- a/libcpu/arm/cortex-a/cpu.c
+++ b/libcpu/arm/cortex-a/cpu.c
@@ -15,17 +15,6 @@
 
 #ifdef RT_USING_SMP
 
-int rt_hw_cpu_id(void)
-{
-    int cpu_id;
-    __asm__ volatile (
-            "mrc p15, 0, %0, c0, c0, 5"
-            :"=r"(cpu_id)
-            );
-    cpu_id &= 0xf;
-    return cpu_id;
-};
-
 void rt_hw_spin_lock_init(rt_hw_spinlock_t *lock)
 {
     lock->slock = 0;