Delete "Project SDK" configuration in IntelliJ

Question

Here is a screenshot of IntelliJ 2017.3.3 "New Project" dialog box.

Note how the Project SDK popup shows in red text an older release of Java 9 that I physically deleted from my Mac (from the /Library/Java/JavaVirtualMachines folder).

⇒ How do I delete that particular "Project SDK" setting within IntelliJ?

Clicking the "New" button in the upper-right of that dialog lets me add another JVM but does not allow me to delete.

Answer 1

• Select Project Structure from the File menu.

• Click SDKs in the left column and select the SDK you want to remove.

• Click the Delete icon (the minus sign).

• Click Apply (essential!) then OK to close the Project Structure window.

I just tried this in 2017.3.3 and it worked fine. The JetBrains documentation states that you can also click Alt+DELETE instead of clicking the Delete icon, but that didn't work for me.

Here's the screen:

To be clear, this action means that the SDK you just removed will no longer be available when you try to create a new project; that SDK will have to be added again on an individual project basis if needed.