There are many synonyms for the phrase "have no need of something" which can be used to convey the same message in different ways. Some of the common synonyms for this phrase include; do not require, lack necessity, do without, dispense with, be unnecessary, have no use for, and not need to have. All of these phrases can be used interchangeably to describe a situation where something is not needed and can be easily eliminated or ignored. Whether you are writing an email, a business report, or a personal message, using the right synonym can help you express yourself more effectively and convey your message with greater clarity.