How to find unused code in Xcode 7?

In left side select Project and in Build Settings

Unused functions, parameters, and values

Other Warning Flags to -Wall -Wextra -Weverything

To check the unused functions and variables you can also use the following scripts-

https://github.com/PaulTaykalo/swift-scripts

Xcode has a number of settings you can enable to warn you about things like unused functions, parameters, and values.

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You can also easily enable strict warnings by setting your Other Warning Flags to -Wall -Wextra -Weverything.

Another option for detecting unused code is by using Code Coverage.

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