diff --git a/src/drivers/device/vdev.h b/src/drivers/device/vdev.h
index 419c92e456..b15fd8209f 100644
--- a/src/drivers/device/vdev.h
+++ b/src/drivers/device/vdev.h
@@ -181,7 +181,7 @@ protected:
 	 */
 	void		lock()
 	{
-		DEVICE_DEBUG("lock");
+		//DEVICE_DEBUG("lock");
 		do {} while (px4_sem_wait(&_lock) != 0);
 	}
 
@@ -190,7 +190,7 @@ protected:
 	 */
 	void		unlock()
 	{
-		DEVICE_DEBUG("unlock");
+		//DEVICE_DEBUG("unlock");
 		px4_sem_post(&_lock);
 	}