Facebook Purity is an add-on for web browsers such as Firefox, Chrome and Safari that gives users absolute control over what kind of content is displayed in their Facebook news feeds. Using the Purity add-on, users can choose to hide any type of post, including posts by specific applications. As the Facebook platform becomes more developed, however, the company gives users more control over what items are displayed in their news feeds. As such, some users may no longer have a need for the Purity add-on.
Open the Firefox web browser.
Click the "Tools" menu at the top of the window, select the "Greasemonkey" entry and click "Manage User Scripts."
Select the "FB Purity" entry in the left sidebar and click the "Uninstall" button.
Click "OK" and restart Firefox.
Open the Chrome web browser.
Click the wrench icon in the upper right corner, select the "Tools" entry and click "Extensions."
Locate the "F.B. Purity" entry and click the "Uninstall" link.
Click the "Uninstall" button on the confirmation dialog that appears.
Restart Chrome to complete the uninstallation of the script.
Open the Safari web browser.
Click the gear icon in the upper right corner of the window and choose "Preferences."
Choose the "F.B. Purity" entry in the left sidebar and click the "Uninstall" button.
Close the preferences panel and restart Safari.
If you don't see a "Tools" menu in Firefox, right-click near the very top of the browser window and select "Menu Bar" from the pop-up menu. When you're finished removing the script, you can right-click along the top again and deselect "Menu Bar" to return to your original setup.