--- a/kernel/ztdummy.c
+++ b/kernel/ztdummy.c
@@ -54,7 +54,6 @@
  * If using an i386 architecture without a PC real-time clock,
  * the #define USE_RTC should be commented out.
  */
-#if defined(__i386__) || defined(__x86_64__)
 #if LINUX_VERSION_CODE >= VERSION_CODE(2,6,15)
 /* The symbol hrtimer_forward is only exported as of 2.6.22: */
 #if defined(CONFIG_HIGH_RES_TIMERS) && LINUX_VERSION_CODE >= VERSION_CODE(2,6,22)
@@ -67,7 +66,6 @@
 #define USE_RTC
 #endif
 #endif
-#endif
 
 #include <linux/kernel.h>
 #include <linux/errno.h>
