Google often uses the
description meta-tag for the snippet in the SERPs but that is not guaranteed though can be often counted on. If you are using a
description meta-tag and are not pleased by what you see in the SERPs then simply change the
However, if the
description meta-tag is empty or missing, you are leaving it up to Google to pick some part of your content for the snippet, you may not like what they select. Having deleted the
description meta-tag, it is quite possible that the snippet may not change for a short period while Google selects a new one. There is a specific algorithm for this that may, repeat, MAY not be event triggered but scheduled. This is simply because it is not normal that the
description meta-tag (and
title tag) is insufficient (in this case gone). It is likely that the
h1 tag will be selected if it passes muster. Otherwise it will be the beginning of the first significant paragraph or a snippet that closely matches the
title tag in keyword importance or even the search query.
You just may have to wait for a bit- that is if you are sure that the last fetch was after your change to the
description meta-tag. Otherwise, you will have to wait till the page is fetched again.
On a side note, the
description meta-tag really only effects the snippet in the SERPs and carries virtually no weight on SEO.