diff --git a/nrf5/boards/pca10028/nrf51_hal_conf.h b/nrf5/boards/pca10028/nrf51_hal_conf.h
index 67cbc983ba..4bd11e1dd5 100644
--- a/nrf5/boards/pca10028/nrf51_hal_conf.h
+++ b/nrf5/boards/pca10028/nrf51_hal_conf.h
@@ -4,5 +4,7 @@
 #define HAL_UART_MODULE_ENABLED
 #define HAL_SPI_MODULE_ENABLED
 #define HAL_TIME_MODULE_ENABLED
+#define HAL_RTC_MODULE_ENABLED
+#define HAL_TIMER_MODULE_ENABLED
 
 #endif // NRF51_HAL_CONF_H__
diff --git a/nrf5/boards/pca10040/nrf52_hal_conf.h b/nrf5/boards/pca10040/nrf52_hal_conf.h
index 1ea1005c3c..f19e49744b 100644
--- a/nrf5/boards/pca10040/nrf52_hal_conf.h
+++ b/nrf5/boards/pca10040/nrf52_hal_conf.h
@@ -7,5 +7,7 @@
 // #define HAL_SPIE_MODULE_ENABLED
 #define HAL_TIME_MODULE_ENABLED
 #define HAL_PWM_MODULE_ENABLED
+#define HAL_RTC_MODULE_ENABLED
+#define HAL_TIMER_MODULE_ENABLED
 
 #endif // NRF52_HAL_CONF_H__