Berean Study Bible
You will still be eating the old supply of grain when you need to clear it out to make room for the new.

King James Bible
And ye shall eat old store, and bring forth the old because of the new.

American Standard Version
And ye shall eat old store long kept, and ye shall bring forth the old because of the new.

Darby Bible Translation
And ye shall eat old store, and clear away the old because of the new.

Douay-Rheims Bible
You shall eat the oldest of the old store, and, new coming on, you shall cast away the old.

English Revised Version
And ye shall eat old store long kept, and ye shall bring forth the old because of the new.

Young's Literal Translation
and ye have eaten old store, and the old because of the new ye bring out.