How to Remove Subline Styles
Navigate to the Products screen
Search for your Line
Select your styles from the line collection, right-click, and choose Add/Remove from Existing Line.
When you click the Remove From Sub button, a Successful message will appear.
When you refresh the line, the items you removed will no longer appear in the subline but will instead be moved back to the Main Collection.
Before removing, you will see the styles listed under the subline.
After removing in sub line