diff --git a/src/cpu/x86/mp_init.c b/src/cpu/x86/mp_init.c
index 9ccfc2f3c1..df74d24ba3 100644
--- a/src/cpu/x86/mp_init.c
+++ b/src/cpu/x86/mp_init.c
@@ -26,8 +26,6 @@
 
 #include <security/intel/stm/SmmStm.h>
 
-#define MAX_APIC_IDS 256
-
 struct mp_callback {
 	void (*func)(void *);
 	void *arg;