# Click on "Groups" within the Groups section.
# Find the group you want to KEEP and click on it.
# In the section called "Merge with:", find the group you want to merge into this one; select it in the multi-selector and click "Choose All"the arrow between the two boxes. You can accomplish more than one merge at a time; all merged groups will redirect to the group you're editing. # Verify that ONLY the groups you want to merge are in the right-hand box.
# Click on "Save" at the bottom right of the page.