Forum Discussion
Brondam
May 05, 2026Copper Contributor
How to clear up or delete disk space on mac
Hi everyone, I'm a bit of a Mac newbie and I’ve run into a wall—my Mac is telling me that my disk is almost full. I'm starting to see performance issues, but I'm terrified of deleting something impo...
ArkansasQuapaw
May 06, 2026Iron Contributor
Delete Time Machine Local Snapshots is a built-in way how to delete disk space on mac to reclaim hidden storage used by backups.
Step 1: Open the terminal
Step 2: List local snapshots
tmutil listlocalsnapshots /
Step 3: Delete all local snapshots
sudo tmutil deletelocalsnapshots /
Available disk space: 5–30 GB
Pros
- No third-party software is required; only built-in terminal commands are used.
- Quickly frees up 5–30 GB of hidden storage space that is often overlooked.
- Safe and reversible, as Time Machine automatically creates new snapshots as needed.
Cons
- Deleting a snapshot temporarily reduces the number of local backup records, so you may not be able to restore certain recent file versions from your local disk.
This is one of the most practical built-in methods how to delete disk space on mac for freeing up significant hidden storage.