under network I found what appears to be someone else MacBook icon, how do i delete
how do I delete what appears to be someone else MacBook icon in my network icon
iMac 21.5″ 4K, macOS 11.2
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If they have file or screen sharing enabled, they will appear under your network devices. This is especially prevalent in public Wi-Fi locations where others are not security conscious. You cannot remove these entities from your Network devices.