These quotes by Calvin was recently listed on Pulpit Live Blog.
[The] error of allegory has been the source of many evils. Not only did it open the way for the adulteration of the natural meaning of Scripture but also set up boldness in allegorizing as the chief exegetical virtue.
[And in a different place]
Let us know that the true meaning of Scripture is the genuine and simple one, and let us embrace and hold it tightly. Let us . . . boldly set aside as deadly corruptions, those fictitious expositions which lead us away from the literal sense. Online Source
Fact #1 Calvin was a Literalist.
Fact #2 Calvin was not an Allegorist.
Fact #3 Calvin was not a Premillennialist.
This means one of two things;
1. Calvin was an inconsistent Literalist, or,
2. Calvin’s Literal Hermeneutic did not make him a Premillennialist.
Talk amongst yourselves.