Select your product to confirm this information applies to you
Removing a Device From Garmin Connect Web
NOTE: Removing a device will result in it no longer displaying in your Garmin Connect™ account. Previously uploaded data will not be affected.
From a web browser, go to connect.garmin.com.
Sign in to your account.
Select Devices & Sync Status
(top right).Select the device that you want to remove.
Select the Gear icon
(top right).Select Remove.
Confirm by selecting Remove.