LinkedIn is very popular and useful for professional networking. You can close your account if you do not use it anymore. Please follow the steps below for details:
Step 1: Please check here to login your account or create your personal LinkedIn page;
Step 2: At the top of your LinkedIn page, click "Me" icon;
Step 3: Click "Settings & Privacy" in the drop-down list;
Step 4: In the new window, under the "Account" tab, click "Account management" from the left navigation; then click "Closing your LinkedIn account" at the bottom;
Step 5: Select your reasons to close the account, and type your feedback, then click "Next";
Step 6: For the security reason, you will need your password for the closing;
Step 7: Click "Close account" at the bottom.