diff --git a/targets/TARGET_NORDIC/TARGET_NRF5x/TARGET_NRF52/TARGET_MCU_NRF52840/config/sdk_config.h b/targets/TARGET_NORDIC/TARGET_NRF5x/TARGET_NRF52/TARGET_MCU_NRF52840/config/sdk_config.h
index d85daf7f82..2c37583e2b 100644
--- a/targets/TARGET_NORDIC/TARGET_NRF5x/TARGET_NRF52/TARGET_MCU_NRF52840/config/sdk_config.h
+++ b/targets/TARGET_NORDIC/TARGET_NRF5x/TARGET_NRF52/TARGET_MCU_NRF52840/config/sdk_config.h
@@ -48,11 +48,6 @@
 
 // <h> nRF_BLE
 
-// SYSTICK_ENABLED
-#ifndef SYSTICK_ENABLED
-#define SYSTICK_ENABLED 0
-#endif
-
 //==========================================================
 // <q> BLE_ADVERTISING_ENABLED  - ble_advertising - Advertising module