Certainly, you cannot delete or disable all of Keychain Access. However, you can delete each keychain and key individually. By deleting keychains and keys, you can prevent any other users from accessing your sensitive information if they have ever logged into your user account. Below are the steps to disable Keychain on Mac.
Disable Keychain on Mac
Step 1: Open the Utilities folder in the Applications
Step 2: Double-click on Keychain Access.
Step 3: Click on the padlock icon at the top corner of the screen to unlock access to Keychain settings.
Step 4: Enter your login password and click OK.
Step 5: Select a keychain from the Keychains menu. For example, choose 'login' to access keys storing login information. In the Category section, choose the type of keychain data you want to display. Right-click on any key you want to edit, then select Delete XYZ key, where XYZ is the key name.
Step 6: Right-click on any of the keychains, select Delete Keychain XYZ to delete all keychain data at once, where XYZ is the keychain name. Alternatively, click the keychain, choose Delete Keychain 'XYZ' from the File menu.
Step 7: Choose Delete References to remove the keychain from Keychain Access while retaining stored information in files. To restore the keychain, perform a similar action with the keychain password. To permanently delete keychain information, choose Delete References and Files.
As a Mac user, disabling Keychain on Mac is one of the essential skills to know. Additionally, you should also enhance your knowledge on how to speed up your Mac for optimal device performance.