It is not recommended to kill the wasp if it's not posing an immediate threat, as wasps play an important role in our ecosystem as pollinators and predators of other insects. However, if you feel that killing the wasp is necessary, you can use a commercial wasp spray, fly swatter or vacuum to remove it. Be sure to use caution when using these methods and dispose of the wasp safely. Keep in mind that killing the wasp can also attract more wasps to your home, so it is generally best to avoid using this method unless absolutely necessary.