How can i deactivate a keyboard shortcut?

Portuguese speakers that use a US keyboard patern are having problems with the keyboard shortcut Option + C, because we use this one to use “ç” in a lot of words. So, is someway to deactivate that keyboard shortcut?

Step 1 : Open Shortcut Setting Panel with Ctrl + Alt + Shift + H
Step 2 : Click this icon
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Step 3 : Now you can change the shortcut by press the keyboard icon…
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