needlessly denying Russia critical military capabilities
The needless felling of the Sycamore Gap tree shocked people around the country and overseas (The National Trust heritage charity)
Needless to say, I didn’t get the job
needlessly: innecesariamente. Unnecessarily
needless: innecesario
needless to say: ni que decir tiene, no es necesario decir, no hace falta decir, obviamente