And when it comes to cleaning up your Mac, there are things that you have to consider. And one of the things that you should consider is to clear your system junk files. And in case you do not know how you can do this, we are going to show you some quick and easy ways on how to clear system junk file on Mac.

Article Content Part 1. What Are System Junk Files and the Files it ContainsPart 2. How to Clear System Junk on Mac Easily with PowerMyMacPart 3. How to Clear System Junk on Mac Using TerminalPart 4. Conclusion

Part 1. What Are System Junk Files and the Files it Contains

Your system junks on your Mac contain different files and most of them are files that you no longer need or use. This is the main reason why some other Mac users do not know how to clear system junk on Mac. And here are the files that it contains.


Most Mac users love to surf the internet. This is very common because, through the internet, you will be able to watch some movies, read some books online, or read the news as well. And with that, whenever you try to use your web browser on your Mac, it saves the data automatically to your hard drive. This is the reason why loading a certain website that you regularly use is very quick. And these data are called cache. Caches come with certain benefits but when it starts to pile up on your Mac and eats up a lot of storage space.

Log Files

The log files that you have on your Mac are known as the recorded activities that you have done on through your applications. And every time you use it, your log files also grows up in number and can affect the performance of your Mac. And for you to have a better experience in using the applications on your Mac, this is one of the files that you should remove from your system.

Language Files

The texts that you see on your Mac are said to be saved on a certain folder. And these texts can also help you in translating that information that you see to a different language. These language files are known to help your applications on your Mac to translate the information it contains to another language. But, the only thing about these language files is that most of them are languages that you do not know. So, what you can do is to get rid of those languages that you do not need.

Development Junk

When you put in some apps on your Mac and have them removed, it still actually eats up space on your Mac. This also includes when you try to view a certain website. And these files are known to be as the development junks. And these are the files that usually make your Mac run slow that is why you have to get rid of them as well.

Universal Binaries

These are data that are saved on your computer wherein it is completely associated with a certain application. These universal binaries are the ones who are responsible is letting your Mac run in two different architecture. But the thing is that your Mac only needs one.

Broken Log Items

These are those applications that run together when your Mac is starting up. And if you try to remove one application, this will result you in leaving a broken log item. These are completely useless files on your Mac so might as well delete them from your system.

iOS Photo Cache

These are files that can be found in your Photos Library. When you try to sync the photos that you have on your iPhone device or your iPad to your Mac, the iTunes program automatically makes a new folder wherein your photo cache is stored. And if these files pile up, then it can take over a huge amount of space on your Mac so delete them.

Broken Preferences

These preferences are mostly located on the applications that you have on your Mac. These are the ones that help your applications to run your applications and on how they can work. However, over the time that you have these on your Mac, there is a tendency that they might become corrupted which means that you can no longer use them. Applications may start to act strangely such as crashing, freezing, and more. It can even make your hard drive corrupted. So, this is one of the main files that you should consider removing from your Mac.

XCode Junk

If what you do on your Mac is to make some new applications, then by now, you probably know that XCode is already eating up a huge space on your storage space. And with this, what you need to do is to remove your Module Cache, Derived Data, and some other things that go with it.

Aside from these files under your system junk files, some other data includes in this category. Now, for you to make your Mac perform at its finest and without experiencing any issues, you have to clear them out. And below are some ways on how to clear system junk on Mac easily.

Part 2. How to Clear System Junk on Mac Easily with PowerMyMac

Knowing how to clear system junk on Mac is very easy especially if you are going to use the right tool or application for it. And with that being said, we have come up with the perfect tool that you can use. And that is no other than the PowerMyMac.

The PowerMyMac is known to be an all-in-one tool that you can use for you to optimize the space and performance of your Mac. By using the PowerMyMac, you will be able to speed up the performance of your Mac, free up storage space, and so much more.

And when it comes to how to clear system junk on Mac, the PowerMyMac is the tool that if perfectly fit for the job. The PowerMyMac is very easy to use because of its user-friendly interface and at the same time, it is also very safe to use because it will keep all of your private data safe so that no one can access them aside from you.

So, let us check on how to clear system junk on Mac easily using the PowerMyMac.

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Step 1. Check the Status of your Mac

Check the Status of Your Mac

Step 2. Choose Junk Cleaner, then Scan for Your System Junk

Scan for Your System Junk

Step 3. Choose the Junk Files to Remove from Mac, Clear System Junk on Mac

Clear System Junk

Part 3. How to Clear System Junk on Mac Using Terminal

Another way on how to clear system junk on Mac is by using Terminal. Through this, you will be able to set a schedule on your Mac on when you want it to be cleaned up for you automatically. And with that, here is how to clear system junk on Mac using the Terminal tool on Mac.

  1. Open Terminal on Mac.
  2. And then, once that Terminal is up and running, enter the following path: sudo periodic weekly, sudo periodic monthly.
  3. From the path that we have shown you, just choose from the two paths.
  4. And then, enter the option that you like and then press the Enter button from your keyboard after you entered it.
  5. And lastly,restart your Mac once that the cleaner is done removing your system junk from your Mac.

You just have to keep in mind that using your Terminal in doing how to clear system junk on Mac is not the most recommended way to do so. But you can always try to use it. It is because when you use this process on cleaning up the system junk on your Mac, there is a chance that you might experience some glitches on your Mac. Thus, you will need to make some authentications for you to have your applications work smoothly.

Part 4. Conclusion

As you can see, knowing how to clear system junk on your Mac is pretty easy. You do not have to worry about some files that you might accidentally delete because these system junks that you have on your Mac are pretty much not needed anymore. You can use your Terminal tool for you to schedule it in advance but you have to be prepared on whatever you may experience bad on your Mac.

But if you would like to make sure that when you clear system junk on your Mac will not affect any of its applications and your Mac’s performance, what we highly recommend you to use is the PowerMyMac. It is very effective, convenient, and most importantly, very safe to use.

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