Meanings of quite inefficacious in English

The precaution, however, is quite inefficacious, for the Indians never fail to procure liquor of a worse kind, at a dearer price, from travelling pedlars.

The learned physician enters his protest against the use of it, (which he says is almost universal with the faculty,) as quite inefficacious and disgusting.

' Quite inefficacious to arrest her determinations.'