Step 1: Log into your Joomla 3.0 admin dashboard
Step 2: Click Extensions in the top menu, and then click Module Manager
Step 3: In the list of modules on the page, click the module that you want to hide the title of
Step 4: Find the setting labeled Show Title:
Step 5: Show/Hide module title on display. Effect will depend on the chrome style in the template.
Step 6: To hide the title, click Hide, and then click Save in the top left of the page. You can see in the screenshots below the before and after effect of not showing a module’s title.