diff --git a/src/mainboard/google/oak/romstage.c b/src/mainboard/google/oak/romstage.c
index eecf49184c..a60a50dcaa 100644
--- a/src/mainboard/google/oak/romstage.c
+++ b/src/mainboard/google/oak/romstage.c
@@ -27,6 +27,7 @@
 #include <timestamp.h>
 
 #include <soc/mmu_operations.h>
+#include <soc/rtc.h>
 
 void main(void)
 {
@@ -36,6 +37,8 @@ void main(void)
 	console_init();
 	exception_init();
 
+	rtc_boot();
+
 	mt8173_mmu_after_dram();
 
 	run_ramstage();
diff --git a/src/soc/mediatek/mt8173/Makefile.inc b/src/soc/mediatek/mt8173/Makefile.inc
index 5a2406e69f..cbc98555fe 100644
--- a/src/soc/mediatek/mt8173/Makefile.inc
+++ b/src/soc/mediatek/mt8173/Makefile.inc
@@ -26,7 +26,7 @@ bootblock-$(CONFIG_DRIVERS_UART) += uart.c
 endif
 
 bootblock-y += gpio.c gpio_init.c pmic_wrap.c mt6391.c
-bootblock-y += wdt.c rtc.c
+bootblock-y += wdt.c
 bootblock-y += mmu_operations.c
 
 ################################################################################
@@ -49,7 +49,9 @@ romstage-$(CONFIG_DRIVERS_UART) += uart.c
 romstage-y += cbmem.c
 romstage-y += spi.c
 romstage-y += gpio.c
+romstage-y += pmic_wrap.c mt6391.c
 romstage-y += mmu_operations.c
+romstage-y += rtc.c
 
 ################################################################################
 
diff --git a/src/soc/mediatek/mt8173/bootblock.c b/src/soc/mediatek/mt8173/bootblock.c
index ac1fd3ab39..7fe879c4b9 100644
--- a/src/soc/mediatek/mt8173/bootblock.c
+++ b/src/soc/mediatek/mt8173/bootblock.c
@@ -17,7 +17,6 @@
 #include <soc/mmu_operations.h>
 #include <soc/mt6391.h>
 #include <soc/pll.h>
-#include <soc/rtc.h>
 #include <soc/wdt.h>
 
 void bootblock_soc_init(void)
@@ -34,6 +33,4 @@ void bootblock_soc_init(void)
 
 	/* init watch dog, will disable AP watch dog */
 	mtk_wdt_init();
-
-	rtc_boot();
 }