defaults delete com.apple.dt.Xcode
rm -rf $HOME/Library/Application\ Support/Developer/Shared/Xcode
rm -rf $HOME/Library/Saved\ Application\ State/com.apple.dt.Xcode.savedState
rm -rf $HOME/Library/Preferences/com.apple.dt.Xcode.*
Topic:
Developer Tools & Services
SubTopic:
Xcode
Tags: