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Type parameters that aren't used are dead code, which can only distract and possibly confuse developers during maintenance. Therefore, unused type parameters should be removed.

Noncompliant Code Example
public class MoreMath<T> {  // Noncompliant; <T> is ignored

  public int Add<T>(int a, int b) // Noncompliant; <T> is ignored
    {
    return a + b;
    }
}


Compliant Solution
public class MoreMath {

    public int Add (int a, int b)
    {
      return a + b;
    }
}