diff --git a/ble/services/DFUService.h b/ble/services/DFUService.h
index 4dbec30..0f29b62 100644
--- a/ble/services/DFUService.h
+++ b/ble/services/DFUService.h
@@ -17,6 +17,8 @@
 #ifndef __BLE_DFU_SERVICE_H__
 #define __BLE_DFU_SERVICE_H__
 
+#ifdef TARGET_NRF51822 /* DFU only supported on nrf51 platforms */
+
 #include "ble/BLE.h"
 #include "ble/UUID.h"
 
@@ -140,4 +142,5 @@ protected:
     static ResetPrepare_t handoverCallback;  /**< application specific handover callback. */
 };
 
+#endif /* #ifdef TARGET_NRF51822 */
 #endif /* #ifndef __BLE_DFU_SERVICE_H__*/
diff --git a/source/services/DFUService.cpp b/source/services/DFUService.cpp
index a72e559..b10e24c 100644
--- a/source/services/DFUService.cpp
+++ b/source/services/DFUService.cpp
@@ -14,6 +14,8 @@
  * limitations under the License.
  */
 
+#ifdef TARGET_NRF51822 /* DFU only supported on nrf51 platforms */
+
 #include "ble/services/DFUService.h"
 
 const uint8_t              DFUServiceBaseUUID[] = {
@@ -38,3 +40,5 @@ const uint8_t              DFUServicePacketCharacteristicUUID[] = {
 };
 
 DFUService::ResetPrepare_t DFUService::handoverCallback = NULL;
+
+#endif /* #ifdef TARGET_NRF51822 */