To remove the downspout you will have to remove the elbow at the bottom of the downspout.
How to take off rain gutters.
It might sound convenient but letting a large piece of gutter fall to the ground is unsafe.
You can use caulk to fill holes left in the siding once the gutters and downspouts are removed.
You can make a pry block from scrap 2 4 or 2 6.
Gutter nails or spikes used to hold rain gutters in place can work themselves loose with seasonal movement.
Here s a quick fix for that problem demonstrate.
Measure the gutter and cut the block to fit snugly between the fascia and the outer lip of the gutter filling the void with solid wood.
Your next step will be to remove the downspout.
If the gutter is very long be cautious removing it.
This is usually done by removing screws or using a pry bar to remove nails.
This is as simple as removing each gutter hanger or other device that holds the gutter in place.
Remove the gutter once all hangers are gone.
Then simply place the block in the gutter and use your hammer or pry bar against it to pull out the nail and remove the ferrule.
With the above safety procedures in mind use a power drill in reverse or a screwdriver to remove the screws underneath the roof or in the siding holding the gutter in place.