I would say - No. Particularly, if you are cutting your hair with a clipper and just trimming the hair above the skin you would not be causing any damage.
But, keeping your clipper blades clean, sharp and sanitized never hurts. Many people think that they do not need to clean their clippers because they are not sharing them. But, they still collect bacteria if the debris is not removed after each use. And, when the blades are dull we tend to apply more pressure = infection. Happens more often then we think about and it's an easy fix!