How to delete WhatsApp group
When you delete a group, you will no longer see the group in your chat lists and the chat history will be erased from your phone.
STEP 1: Open the group chat.
STEP 2: Tap on the group subject.
STEP 3: Scroll down till you see the Exit group at the bottom.
Step 4: After Exiting the group tap on Delete group.
Note: If you want to delete
the group media from your phone, make sure to Delete media in this chat or
Delete media in these chats.