Can hero skills be disabled?

A hero's skill used to be disabled by holding shift and clicking on the skill. A hero's disabled skill used to be enabled by holding shift and clicking on the skill.
Shift & click does nothing now. That action disappeared this week. Is there a way to assign a key to disable hero skills?

It worked just fine last night....

Edit: And while I'm not sure you can map a key to disable a hero skill, you can map a key to a hero skill (like "R-Alt" for Hero 1 to use Skill 7, which is what I have. Rarely used, generally in places where a hero carries a Ranger spirit that needs management.) but like I said, Shift+click worked last night, I did Rilohn Refuge and had Jin's Winter and Charm Animal disabled.

Works for me, just checked now.

EDIT: Sometimes the answer is often the simplest - are you sure you're pressing shift?

...i'm pretty sure it's hold X and click the skill.

Default option is Shift. X is for turning around. Also, it works for me.

It depends... changing a skill that uses the shift command can sometimes change the "x" factor.

For example, I didn't realize the default was Shift, because my disable key is at Ctrl.

Works for me

Open up Options and click the Control Tab, scroll down to

Action: Supress Action

and set the apropriate key there.
Sometimes the keys get unassigned.

Reassign them usually works.

If shift + click doesn't work for the skill that you pick the first time. Just take that skill out of the hero's bar and put in back, that'll fix it for you.

This fixed it. I couldn't figure out which option assigned that action. Thanks