A notebook that weighs more than a kilo is simply not a good thing
– Linus Torvalds
If you are an adult, able-bodied human male, and you even notice a laptop being "heavy" becauase it's over 1000 grams, I am sorry but your health is fucked. I am not a strong man. But if you are so weak 200grams extra or whatever bothers you, sort your life out. Seriously. You will feel so much better.
I travel with strict luggage limits (both size and weight) and hike all day. Removing weight absolutely helps.