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<li>Wikipedia: <a href="https://en.wikipedia.org/wiki/Redundant_code">Redundant code</a>.</li>

<li>CERT Java Coding Standard: <a href="https://www.securecoding.cert.org/confluence/display/java/MSC56-J.+Detect+and+remove+superfluous+code+and+values">MSC56-J. Detect and remove superfluous code and values</a>.</li>

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