Delete all flow headings?

How do you delete all flow headings? I deleted it in the score, but then it seems that I have to delete it separately in each part. There must be a way to delete them all in one step. I almost never need to use Flow Headings.

In Layout Options…
Select all the part layouts (on the right).
Then set Page Setup>Flows>Show Flow Headings… to Never.

Hi @Donald_Prorak, adding to the useful suggestion by @Janus, in case you deleted something directly into the layout (and not inside a Template), you have page overrides (the red triangles on the Pages icons in Engrave mode upper right panel. To remove those pages overrides, right click on a page icon and choose Remove All Page Overrides.