In 10.9, Apple added this checkbox to “Mission Control” in “System Preferences”:
I’ve wanted that feature for a hella long time.
In the past, you threw this into terminal to remove the Dashboard:
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defaults write com.apple.dashboard mcx-disabled -boolean YES
killall Dock
However this code doesn’t work in 10.9. Not knowing about the checkbox in “Mission Control” in 10.9, I ran the above code and noticed it did nothing. So I googled around and finally discovered the checkbox … which also didn’t do anything. Why would Apple make something that doesn’t work? More googling led to nothing. Then I had an idea. Maybe setting the mcx-disabled property of the dashboard to true disabled the checkbox’s control over the dashboard. So I reset it by setting mcx-disabled back to NO:
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defaults write com.apple.dashboard mcx-disabled -boolean NO
killall Dock
Bam, the checkbox works! Goodbye dashboard.