Many Mac users don’t need a Java computer, but if you have Java installed and want to remove it from your Mac, you can remove Java and JRE applications with little effort.
Removing Java and JRE programs from your Mac is a little more complicated than installing it because there is no separate uninstaller or tool, and it’s not as simple as removing other Mac applications because the components are distributed in different locations. Instead, either turn to the command line or dig in the Finder and file system itself to remove Java in Mac OS. We will show you how to remove Java in both ways.
Note that by removing Java, you will lose the ability to run all of your Java applications or Java applications and applications, either individually, independently, or over a network. Of course, you don’t want to uninstall a Java application if the application or web application you’re using requires a Java application. An alternative option would be to simply disable Java instead of shutting it down, but not removing it from your computer.
Uninstalling Java from a Mac
Removing a Java application from your Mac is a three-step process that involves manually removing the various Java extensions and files found throughout macOS / Mac OS / Mac OS X, both in the System / Library folder and in the Users ~ / Library folder. You should always back up your Mac before deleting any items found in the system directory. Here’s what you want to do and search through the Finder:
- Close all active web browsers or other Java applications
- In Mac Finder, drag down the Go menu, choose Go to Folder, and type the following path:
- Locate and remove JavaAppletPlugin.plugin from this folder – note that moving this item to the Trash requires an administrator login
- Now go back to the Go menu and Go to folder and enter the following path:
- Locate and remove “JavaControlPanel.prefPane” from this folder, again you will need an administrator login
- Return to the Go menu again and go to the following path to the folder:
- Delete the Java folder
- Empty the Recycle Bin on your Mac as usual
/ Library / Internet Extensions /
/ Library / PreferencePanes /
~ / Library / Application Support / Java /
Java is completely removed in this way.
The Finder-based approach is an easier and more secure way to remove Java from a Mac, although Mac users can also remove Java and JRE via the command line.
Remove Java and JRE programs from the Mac OS command line
You can also remove a Java application from the command line using the rm command. This is for advanced users who understand the consequences of using rm with root privileges. This is not for beginners, as using the command line requires precise syntax and not using the correct syntax can lead to incorrect commands or unintentional data loss.
Execute the following commands one by one:
sudo rm -rf “/ Library / Internet Extensions / JavaAppletPlugin.plugin”
sudo rm -rf “/Library/PreferencePanes/JavaControlPanel.prefPane”
sudo rm -rf “~ / Library / Application Support / Java”
This requires authentication with sudo. Make sure your syntax is 100% correct, if you’re not sure if the syntax is correct, don’t run commands, and instead you’ll probably want to use a Finder-based approach to remove java.
Note that whether you remove Java and JRE applications from the command line or the Mac Finder interface, the result is the same. You specifically remove Java plug-ins, control panels, and Java application support from your Mac.
You can always reinstall Java on your Mac later if you decide or deem it necessary. Most Mac users don’t need a Java computer, so they don’t need to install it.
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FAQ: How to Uninstall Java on a Mac
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