Right or Ctrl-click the conversation in Skype sidebar.
If you are aiming to keep things tidy, your intention to remove it is natural too. Having exchanged a few messages, especially if you have a lot of people reaching out, you may not feel like conversation history deserves a spot on your Recent list. Much like the case with browsers, at times, you may not want to keep your history on Skype. If you have run into a similar issue, then get comfortable and lets get this figured out. This, however, does not mean that the app is without flaw, as many users still struggle with completely removing Skype from their Macs. Skype, for instance, has paved a way for the majority of today’s social networking programs and, over the years, earned its spot on the list of essential applications for a number of users. Some applications come and go, but some tend to stick. Moreover, in the majority of cases there is a wide selection of apps full of features with a different approach the same task. No matter what needs to be done - there is an app for that.
Applications are used to do anything whether it is to take notes, listen to music, edit pictures, browse the web - you name it.