Keep or drop further maths?

I'm going into the second year of sixth form now.
Not sure if I should or shouldn't drop A level further math. It would be better to keep it in terms of uni applications, since I'm looking into either computing or engineering.
But on the other hand, I'm finding it quite difficult at the moment, and dropping it means I've already covered the entirety of the content of single math and can spend the year just revising it. It also means I can focus more on learning new content in physics and computer science, so dropping further maths means that I might be able to achieve much higher grades than if I had to split my time between four things instead.

I'm going into the second year of sixth form now.
Not sure if I should or shouldn't drop A level further math. It would be better to keep it in terms of uni applications, since I'm looking into either computing or engineering.
But on the other hand, I'm finding it quite difficult at the moment, and dropping it means I've already covered the entirety of the content of single math and can spend the year just revising it. It also means I can focus more on learning new content in physics and computer science, so dropping further maths means that I might be able to achieve much higher grades than if I had to split my time between four things instead.

Cambridge, Oxford, Imperial and LSE want A-Level Further Maths.

I'm not applying to Oxbridge, but I do have Imperial in my sights... The courses say that although Further Maths is not required, it's highly recommended.
So if you consider that, should I still keep further maths even if I'm struggling with it?