You might have tried out a few of the template recipes. What will start to happen is that the content you installed from one will carry over and spoil the content from another.
Not to mention that you might have assigned certain links to another template altogether and the whole situation becomes a muddle.
The clean thing to do is only have templates you are actually using installed at any given time. This recipe will show you how to uninstall a template.
Log in to your Joomla! control panel.
We will now, very quickly remove an unwanted template. Repeat this recipe for each of the templates you will not be using as shown in the following steps: