diff --git a/src/include/delay.h b/src/include/delay.h
index 175cdaa..5d0dc01 100644
--- a/src/include/delay.h
+++ b/src/include/delay.h
@@ -1,7 +1,14 @@
 #ifndef DELAY_H
 #define DELAY_H
+
 #if !defined( __ROMCC__)
 
+#if CONFIG_HAVE_INIT_TIMER == 1
+void init_timer(void);
+#else
+#define init_timer() do{} while(0)
+#endif
+
 void udelay(unsigned usecs);
 void mdelay(unsigned msecs);
 void delay(unsigned secs);