Why the default admin username is a security risk
The default WordPress administrator username is often the first thing attackers guess during brute-force and credential-stuffing attacks.
If your site still uses a username like admin, removing it and replacing it with a less predictable account can reduce exposure fast.
WordPress does not require a specific administrator username, but many installs create one during setup or migration.
That convenience can leave a predictable login target that makes password protection less effective than it should be.
Can you actually remove the default admin username in WordPress?
Yes, but not by simply deleting the username from the same account in the dashboard.
In WordPress, the safer method is to create a new administrator account, move content ownership if needed, and then delete or rename the old account.
This approach works because WordPress separates user accounts from post ownership, allowing you to preserve content while removing the risky login identity.
Before you start: what to check
- Back up your site using a plugin such as UpdraftPlus, BlogVault, or your host’s backup tool.
- Confirm you have another administrator account before removing the default one.
- Check your hosting panel access in case you need to recover the account through phpMyAdmin or database tools.
- Review plugins and custom code that may reference the old username in automation, role checks, or integrations.
Method 1: Create a new administrator and delete the old one
This is the cleanest way to remove the default admin username in WordPress when you still have access to the site.
Step 1: Add a new administrator account
Go to Users > Add New in the WordPress dashboard.
Create a new account with a unique username that is not easy to guess, then assign the role Administrator.
Use a strong password and a secure email address you control.
If possible, enable two-factor authentication with a plugin such as Wordfence, WP 2FA, or iThemes Security.
Step 2: Log out and log back in with the new account
Sign out of the old admin account and sign back in using the new administrator account.
This ensures you are not locked out if the old account is removed during the process.
Step 3: Delete the default admin user
Navigate to Users > All Users, hover over the old admin account, and choose Delete.
WordPress will ask what to do with content owned by that user.
Step 4: Reassign content ownership
Select the option to attribute all content to another user, then choose the new administrator account.
This preserves posts, pages, and media-related ownership references without losing published content.
What if WordPress will not let you delete the account?
Sometimes the default admin account is the only user with administrator privileges, especially on older sites.
In that case, WordPress will not allow deletion until another administrator exists.
Create the replacement account first, verify that it can access the dashboard, and then return to delete the old account.
If the site uses multisite, make sure you are working from the correct network admin context.
Method 2: Rename the username if you cannot delete it
WordPress does not let you change a username directly in the dashboard.
If you want to remove the default admin username but keep the user account, you can rename it through the database or by creating a new account and migrating privileges.
Option A: Use a plugin to rename the username
Some security or admin plugins provide a username change feature.
This is the simplest non-technical option, but you should verify the plugin is reputable and compatible with your version of WordPress.
Option B: Edit the username in the database
If you are comfortable with phpMyAdmin, you can update the username in the wp_users table.
This should be done carefully, because changing the wrong field can break logins or user references.
- Back up the database first.
- Open phpMyAdmin from your hosting control panel.
- Select your WordPress database and locate the wp_users table.
- Edit the user_login value for the old admin account.
- Save the change and test login access immediately.
For most site owners, creating a new administrator and deleting the old account is safer than editing the database directly.
How to protect the new administrator account
Removing the default admin username is only one layer of defense.
To reduce the chance of future compromise, harden the replacement account right away.
- Use a unique username that does not match your domain, brand, or personal name.
- Set a strong password with at least 12 to 16 characters.
- Enable two-factor authentication for the login screen.
- Limit login attempts with a plugin or host-level security rule.
- Use a password manager to avoid reused credentials.
- Keep WordPress, themes, and plugins updated to reduce exploit risk.
How to check whether the default admin account still exists
After cleanup, confirm that the old account is gone from the user list.
You can also test the old username on the login page to make sure it no longer works.
If you use an external security service, such as Cloudflare, Sucuri, or a web application firewall, review logs for login attempts against the old username.
Repeated attempts are a good sign that the change was worth making.
Common mistakes to avoid
- Deleting the only administrator and locking yourself out.
- Forgetting to reassign content so posts appear under the wrong author or lose their original owner.
- Using a weak replacement username such as your name, company name, or domain name.
- Editing the database without a backup, which can cause recovery problems.
- Relying on username changes alone without stronger passwords and two-factor authentication.
Best practices for a cleaner WordPress login setup
If you want to reduce account-targeting attacks further, pair username cleanup with broader login hardening.
Many WordPress security incidents begin with predictable credentials, but they become much harder to exploit when multiple controls are in place.
- Disable or remove unused user accounts.
- Use a dedicated administrator account only for site management.
- Create separate editor or author accounts for content work.
- Audit roles periodically in Users > All Users.
- Review plugin permissions, especially for membership or form plugins that create accounts.
By understanding how to remove default admin username in WordPress and applying a safer account structure, you make the login surface less predictable without disrupting your site’s content or workflow.