How to delete wifi network on mac

Generally speaking, if a Wi-Fi network joins OS X, Mac will allow the network to come in by default. It will be convenient for joining our family or work, but it can also be said to be an invisible nuisance. To prevent Mac from reconnecting automatically it again within the range. This post specially shows the way to help you remove the unused Wi-Fi network completely on Mac. We can say very boldly that it is particularly helpful for you.

Steps to remove unused Wi-Fi network completely on Mac

Here's how:

Step 1: Click Wi-Fi menu and choose Open Network Preferences at the bottom of the pop-up window. ( Or go to System Preferences and select Network )

Step 2: In Network screen, select Wi-Fi and hit Advanced button.

Step 3: Choose the Wi-Fi Network name you wish to delete from Preferred Networks list. And then click minus button ( - ) to permanently remove the unused Wi-Fi network. At last, click OK button to close the Network preferences pane.

Step 4: Remember that only choose Apply button if asked.

Conclusion: If running correctly, the Wi-Fi Network name will no longer appear in the Preferred Network list, and the connection has been forgotten already.

These networks are remembered by macOS so that in the event that your Mac encounters one of them again, it can connect to it automatically and you won't have to manually select it or enter the password.

If you want, you can edit this list of "preferred networks" that your Mac keeps and change individual network connection settings. Whether you want to remove redundant networks or just forget a specific one, the following steps guide you through the process.

How to Forget a Wireless Network on Mac

1. Click the Wi-Fi icon in the top-right corner of the Mac menu bar.
2. Select Open Network Preferences....
   
   
   
   
   
3. Click Advanced.
   
   
   
   
   
4. Click a network in the list to select it. (To select multiple networks, hold the Command key while clicking them.) You can also drag networks higher up the list to prioritize them over other local networks.
   
5. Click the minus ("–") icon below the list to forget the selected network.
   
   
   

Note that in the main Network pane of System Preferences there are two checkboxes. The first allows you to specify whether your Mac is allowed to automatically join the currently connected network, while the second allows you to force your Mac to ask you before it joins new networks.

If you travel regularly with your Mac or iOS device, you likely find yourself connecting to new Wi-Fi networks: at airports, in train stations, in hotels, restaurants, pubs, or at clients’ offices. Whether you connect to these networks with your Mac, iPhone, or iPad, miraculously, your devices will remember these networks and sync them via iCloud — so your other Apple products can access them too, if you use iCloud Keychain.

Your Apple device’s ability to remember previously connected to networks can be both good and bad. While it means you don’t have to search for or remember login credentials when you connect to a known Wi-Fi network on a different device, it can lead to a surfeit of Wi-Fi networks stored in your keychain and potentially allow you to unknowingly connect to a Wi-Fi network that might not be secure. You can cull these Wi-Fi networks, but you can only really clean them out on a Mac.

In this article, I’ll show you how to remove these Wi-Fi networks so your Macs and iOS devices forget them.

How to Remove Wi-Fi Networks from iPhone or iPad

You can remove wi-fi networks on an iPhone or an iPad, but only if you are near enough to those networks for your device to detect them. If you go to Settings > Wi-Fi, you’ll see some available wi-fi networks. Tap the i icon next to a network that you have previously joined, then tap Forget this Network. The device will remove that network.

If you want to remove all saved Wi-Fi networks on your iOS device, there is a nuclear option. If you follow these steps, the iOS device deletes all your Wi-Fi networks and passwords, along with other network settings. However, this does not carry over to iCloud Keychain if you are using it, and the only way to fully delete these saved networks is on a Mac.

The steps for the nuclear option are as follows:

• on iOS 15 or later: Settings > General > (scroll down) Transfer or Reset iPhone > Reset > Reset Network Settings
• on iOS 14 or older: Settings > General > (scroll down) Reset > Reset Network Settings

How to View and Remove Saved Wi-Fi Networks via Network Settings

There are two ways you can view (and remove) saved Wi-Fi networks on a Mac. The first way is in the Mac’s Network settings.

To do this, open System Settings, then click Network. Click Wi-Fi in the sidebar, then scroll down and click Advanced at the bottom of the settings pane. In the Known Networks section, you will see a list of networks.

This list shows the networks that you have connected to, and whose passwords are saved on your devices. You can delete networks by clicking the … icon next to a network, then choosing Remove from List.

RELATED: Prevent Your Mac from Connecting to the Wrong Wi-Fi Network

When you do this, your iCloud Keychain will update, and they will be eventually removed from all your devices that sync to the same iCloud account.

In some cases, you may not be able to remove Wi-Fi networks from the Network settings, but you will be able to delete them from Keychain Access (see below for the second method to remove Wi-Fi networks).

How to View and Remove Saved Wi-Fi Networks via Keychain Access

The second way to remove saved networks is via Keychain Access. This app is located in the Utilities folder in your Applications folder, and it stores passwords, certificates, encryption/decryption keys, secure notes and more. One of the items it stores as “passwords” is the credentials you use to log into Wi-Fi networks; specifically, they are recorded as “AirPort network password.”

To find these, click the search box at the top right of your Keychain Access window and type “AirPort.” You’ll see a number of items, and the Kind column shows them as AirPort base station password, AirPort Disk password, and AirPort network password. (You may not have items in all three categories.) The latter are your Wi-Fi network credentials.

Interestingly, when I look at my AirPort network passwords, I see many of those that are in the Network settings, but not all. And some show as being in the iCloud keychain, while others are in the System keychain, even though they sync to and from my other devices. (For example, some of the networks I see on my Mac are those that I only connected to with my iPhone.) To delete any of these networks, click them, then press Delete, and click Delete in the confirmation dialog.

Note that any changes you make on your Mac will take time to propagate to other Macs, and to iOS devices.

It’s a good idea to go through these networks from time to time. You may have connected to a network when you were traveling and not want to automatically connect to it again. Clearing out these networks will also prevent your Mac from automatically connecting to networks masquerading as legitimate, since the only identifying information for a Wi-Fi network is its SSID (or the name you see) and anyone can use the same network name, potentially leading you to connect to an insecure network.

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