On my website I had two tags, both Universal Analytics. Since I only need one, I deleted the one which I no longer needed. Now when I scan my site with Google Tag Assistant, it stills shows me the old tag which I had deleted. When I go to the website with the Google Tag Manager preview and debugger, it does not show the tag I deleted.
In summary:
Normally without the GTM previewer it shows the old tag even though I deleted it.
With the preview and debugger on, it doesn't show the deleted tag (which is what I want).
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