How can I delete a duplicate question?
10293
How should duplicate questions be handled?
25846
Delete duplicate rows (don't delete all duplicate)
109009
Why can't I delete my own question?
111647
How to find questions closed as duplicates via the Data Explorer
13762
Deleting my own question
51805
"Delete this answered question?" when the only answer is deleted
77790
How to deal with old questions that are off-topic and cannot be migrated?
3426
What is a "closed" or "duplicate" question?
36636
list management, deletion of duplicates
133887
Are questions closed as duplicates ever automatically deleted?
46223
How do I remove duplicates when using the random sort?
94964
How to get list of duplicates when using DeleteDuplicates?
61584
When is a duplicate question not a duplicate?
46526
Duplicate question etiquette: to delete or not to delete?
12566
Give an incentive for finding duplicate questions
144043
Delete Duplicate SQL Records
11295
What is duplicate content and how can I avoid being penalized for it on my site?