If you have previously partitioned your Mac's hard drive in order to download a macOS beta or install Windows, but now you need that storage space back, you can remove the partition and recapture the much-needed space. Here's how to remove a hard drive partition on your Mac.
Getting rid of a secondary partition on the Mac is a two-step process. After erasing a partition, you can then remove it from your system.
Before you start
The most important thing to do before you remove a hard drive partition on your Mac is to back it up. Time Machine has the easiest way to back up your data if you don't already have a system in place. You'll need an external hard drive to start a local backup regimen.
How to erase a partition on your Mac
Make sure to restart your computer in your main partition to erase additional ones.
- Open Finder from your dock.
- Scroll down and open the Utilities folder.
Double-click to open Disk Utility.
- Select the partition you wish to erase.
- Click Erase.
- Click Erase to confirm you wish to erase the partition.
Click Done to continue.
How to remove a hard drive partition on your Mac
After following the steps to remove a hard drive partition on your Mac, you can then remove it from your hard drive.
- Select your main partition, which is the first drive on the list. It might be called "Fusion" or "Macintosh HD."
- Select the partition you wish to remove from the graph.
- Click the minus (-) button.
Disk Utility will check the disk and make changes. This will take several minutes.
Do you have any questions about how to erase and remove a partition on your Mac? Let us know in the comments and we'll help you out.