How to Uninstall R on Mac: Clean Removal Without Lingering Files

Uninstalling R on your Mac shouldn’t leave behind a digital landfill of leftover files. ⚡ I’ve scrubbed R clean from more machines than I can count—including my own ThinkPad when I needed to switch to Julia for a project.

The key is knowing where R hides its traces, from the obvious RStudio.app to the sneaky /Library/Frameworks/ folders.

Start by closing any open RStudio sessions and verifying your installed version with R --version in Terminal. If you installed via Homebrew, brew uninstall r handles the heavy lifting, but manual removal requires deleting R.app, RStudio.app, and their hidden library folders.

I’ve seen users skip the ~/Library/R/ cleanup and spend hours debugging phantom package errors later.

After deletion, run which R in Terminal—if it returns nothing, you’ve succeeded. For stubborn remnants, sudo rm -rf /Library/Frameworks/R.framework/ does the job, but double-check paths first. My rule of thumb: when in doubt, ls before you rm.

This method works for both CRAN R and RStudio installs, leaving your system cleaner than a freshly formatted hard drive.

Pro tip: Back up any custom scripts or package libraries before deleting. I once lost a month’s worth of analysis code because I didn’t think ahead—don’t make that mistake. For permission errors, sudo is your friend, but use it judiciously.

Once you’ve verified the cleanup with R --version, you’re free to install a fresh version or switch tools entirely.

What you need

Step-by-Step instructions for removing R from your Mac completely

Here's the cleanest way to wipe R from your system—no leftover files or hidden dependencies.

Open Activity Monitor from your Applications folder or use Spotlight (Command + Space) to search for it. This ensures no background processes interfere with removal.

In the search bar, type R to filter processes. Look for entries like RStudio, R, or Rscript. Select each one and click the Quit Process button (the red stop sign). If a process refuses to quit, force quit it.

I always double-check by reopening Activity Monitor and confirming no R-related processes remain. This prevents permission errors during uninstallation.

Navigate to your Applications folder and locate the R application. Drag it to the Trash icon in your Dock. If prompted for a password, enter your admin credentials to authorize the deletion.

For RStudio users, also trash the RStudio application in the same folder. Empty the Trash afterward to permanently remove these files from your system.

Here's the thing—some R packages install additional files outside the main application. We'll handle those next to ensure a truly clean removal.

Open Terminal (found in Applications > Utilities) and run these commands one at a time. First, remove the main R library directory:

sudo rm -rf /Library/Frameworks/R.framework

Next, remove user-specific R files:

rm -rf ~/Library/R

Finally, clear any remaining configuration files:

rm -rf ~/.R

Wait for each command to complete before proceeding. If you see errors about missing files, that's normal—it just means those files weren't present.

Return to Terminal and run which R. If nothing appears in the output, R has been successfully removed from your system path. For extra thoroughness, search for remaining files:

sudo find / -name "_R_" 2>/dev/null

This command scans your entire system for any remaining R-related files. Delete any you find manually or via Terminal if needed.

Real talk: Some R packages install system-wide dependencies. If you plan to reinstall R later, you might want to keep these files. But for a complete wipe, this step ensures no traces remain.

Tips & tricks for perfect R uninstallation on Mac

These little-known tricks will help you remove R completely—no hidden files or lingering dependencies left behind.

Double-Check Before You Delete: Before running any Terminal commands in Step 3, open Finder and navigate to /Library/Frameworks/ and ~/Library/ to visually confirm R files exist. This prevents frustration if you get "file not found" errors later. I always do this quick check—it saves time troubleshooting down the road.

Backup Important Configuration Files: If you've customized R settings or packages, consider backing up your ~/.R folder before deleting it. Some configurations can't be easily recreated, especially if you've set up custom libraries or environment variables. Just copy the folder to your Desktop before running the removal commands.

Use Spotlight for Process Hunting: In Step 1, if you don't see R-related processes in Activity Monitor, try using Spotlight (Command + Space) to search for "R" across your entire system. Sometimes hidden processes run under different names like "Rscript" or "Rgui". This extra step ensures you catch everything before uninstalling.

Terminal Command Safety: When running the sudo find / -name "R" 2>/dev/null command in Step 4, take your time reviewing the results. Some files might be harmless (like documentation), while others could be critical system files. Only delete what you recognize as R-related—when in doubt, leave it alone and research it first. Better safe than sorry!

Frequently asked questions

Got questions about uninstalling R from your Mac? You’re not alone! Here are some of the most common concerns—and their answers—to help you through the process smoothly.

Wrapping up and next steps

You’ve made it! Removing R from your Mac doesn’t have to be a headache—with the right steps, you can clean up your system without leaving behind any pesky leftover files.

Whether you’re freeing up space or switching to another tool, you now know how to fully uninstall R and its dependencies.

Ready for the next challenge? 🚀 Explore other software tweaks or dive into learning a new tool—your Mac (and workflow) will thank you! Need more tech tips? Check out our guides on optimizing your system for peak performance.