By default, in macOS the keyboard shortcut Control+Space is enabled for switching keyboard input method such as Qwerty versus Dvorak.

I cannot remember the way to disable this default behavior. I have a conflict with another app that wants to use the Control+Space keystroke.

1 Answer 1


Go to System Preferences > Keyboard > Shortcuts > Input Sources and uncheck:

    [] Select the previous input source

Note that Input Sources may only show if you have, or have had, more than one in: System Preferences > Keyboard > Input Sources

Temporarily add one if necessary.

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  • I wonder how to work out doing this with the defaults command?
    – mike
    Commented Mar 19 at 9:09

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