Xcode 6.4 showing duplicate 'Simulators' with Unique Id

Question

Till yesterday, everything was normal with Xcode. It was showing simulators as :

Answer 1

Go to the terminal to see the list of simulators using:

xcrun simctl list

Use the id's to delete the duplicates using:

xcrun simctl delete 

E.g.

xcrun simctl delete 4B645F13-D130-412D-8EB4-B49BE7E2D7DA