Are there certain services or package types you never use? Some shipping services might be too slow or too expensive for your business, so why scroll past them when you can hide them account-wide?
Disable Carrier Services
Head to your Account Settings (the gear icon in the upper right).
Next, select Shipping and then Carriers & Fulfillment from the sidebar on the left.
*Alternatively, click Packages in the left sidebar if you want to disable certain package types.
Click the link for Services for the carrier you'd like to edit.
For each option you want to disable, simply uncheck them and click Update.
Going forward, any disabled packages or services won't show up as options elsewhere in the ShipStation interface. These selections are global and will apply to all users on your account.
To enable/re-enable a service, simply add the checks back to the appropriate boxes. Keep in mind that you should only enable services that your account is approved you for, otherwise you may get errors when attempting to create labels.