bing webmaster

I added my website on Bing Webmaster but Reports and Data shows errors on
Crawl Information
whereas my links works but few links i removed from my website someone please let me know to remove my websites links from bing webmaster.
HTTP 500-599 codes
These codes appear when the server failed to fulfill an apparently valid request
few links is not more on my website so how do i remove from bing

HTTP 400-499 codes
These codes appear when…
bing webmaster

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