Remove Bulk Labels from Space Pages

Select Label Manager from Space Tools menu
Click Remove Bulk Labels tab from Page Labels menu and enter the name of the label(s) to be removed
Choose pages to remove labels from space pages.
For Large Spaces

If a page contains too many child pages, please select "Parent page and all child pages will be affected" option.
A confirmation screen will be displayed on the following step. Click next to continue.
After content selection and process completed a success message will be displayed

Label Manager for Confluence