diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index 758f7a417470..da0aceb45095 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -886,6 +886,7 @@ config RTC_DRV_DS3232_HWMON
 config RTC_DRV_PCF2127
 	tristate "NXP PCF2127"
 	depends on RTC_I2C_AND_SPI
+	select WATCHDOG_CORE if WATCHDOG
 	help
 	  If you say yes here you get support for the NXP PCF2127/29 RTC
 	  chips with integrated quartz crystal for industrial applications.
diff --git a/drivers/rtc/rtc-pcf2127.c b/drivers/rtc/rtc-pcf2127.c
index 3ec87d320766..02b069caffd5 100644
--- a/drivers/rtc/rtc-pcf2127.c
+++ b/drivers/rtc/rtc-pcf2127.c
@@ -475,9 +475,11 @@ static int pcf2127_probe(struct device *dev, struct regmap *regmap,
 		return ret;
 	}
 
+#ifdef CONFIG_WATCHDOG
 	ret = devm_watchdog_register_device(dev, &pcf2127->wdd);
 	if (ret)
 		return ret;
+#endif /* CONFIG_WATCHDOG */
 
 	/*
 	 * Disable battery low/switch-over timestamp and interrupts.