diff --git a/ports/broadcom/common-hal/rtc/RTC.c b/ports/broadcom/common-hal/rtc/RTC.c
index 9d219dbe05..7be9a39803 100644
--- a/ports/broadcom/common-hal/rtc/RTC.c
+++ b/ports/broadcom/common-hal/rtc/RTC.c
@@ -32,13 +32,9 @@
 #include "shared/timeutils/timeutils.h"
 #include "shared-bindings/rtc/__init__.h"
 #include "shared-bindings/rtc/RTC.h"
-#include "common-hal/rtc/RTC.h"
 #include "supervisor/port.h"
 #include "supervisor/shared/translate/translate.h"
 
-void rtc_init(void) {
-}
-
 // This is the time in seconds since 2000 that the RTC was started.
 // TODO: Change the offset to ticks so that it can be a subsecond adjustment.
 static uint32_t rtc_offset = 0;
diff --git a/ports/broadcom/common-hal/rtc/RTC.h b/ports/broadcom/common-hal/rtc/RTC.h
index 4965356c50..09ae4ea86f 100644
--- a/ports/broadcom/common-hal/rtc/RTC.h
+++ b/ports/broadcom/common-hal/rtc/RTC.h
@@ -25,10 +25,9 @@
  * THE SOFTWARE.
  */
 
-#ifndef MICROPY_INCLUDED_MIMXRT10XX_COMMON_HAL_RTC_RTC_H
-#define MICROPY_INCLUDED_MIMXRT10XX_COMMON_HAL_RTC_RTC_H
+#ifndef MICROPY_INCLUDED_BROADCOM_COMMON_HAL_RTC_RTC_H
+#define MICROPY_INCLUDED_BROADCOM_COMMON_HAL_RTC_RTC_H
 
-extern void rtc_init(void);
 extern void rtc_reset(void);
 
-#endif  // MICROPY_INCLUDED_MIMXRT10XX_COMMON_HAL_RTC_RTC_H
+#endif  // MICROPY_INCLUDED_BROADCOM_COMMON_HAL_RTC_RTC_H