Configure Resource Overlay?

[Yxklyx]

Without a mod is it possible to remove some items (like leather) from the left hand side resource overlay.

[glass zebra]

You can just use the category list and have leather not expanded. The uncategorised view gets unusable after a few month of playing due to not being able to hide items. The button for that is on the bottom right where all the other UI things are.

[Astasia]

Yes. On the bottom right corner of the screen is an option to change how the resource overlay is displayed, between the one that lists everything and one that collapses and extends based on resource category. If you switch it to the collapsing one you can extend everything but leather and have your various leathers hidden from view.

Edit: Looks like I was late to respond, had to double check where the button was since I hadn't touched it in so long. =p