Inline Method

A method's body is just as clear as its name.  

Put the method’s body into the body of its callers and remove the method.

Sample:

BeforeRefactor
1public int GetRightNumber()
2{
3     return (MoreThanFive()) ? 2 : 1;
4}
5
6public bool MoreThanFive(int number)
7{
8     return number > 5;
9}

AfterRefactor
1public int GetRightNumber()
2{
3    return (_number > 5) ? 2 : 1;
4}