Remove empty rows

[memark]

I want to remove empty rows from a (boxed) array. Here are two ways I've come up with:

{[1 2] [1] []}
▽>0≡⧻.

[⟦1 2⟧ ⟦1⟧]

{[1 2] [1] []}
▽¬⊚≡⧻.

[⟦1 2⟧ ⟦1⟧]

Is there an easier/more idiomatic way?

[kaikalii]

▽>0≡⧻. seems like a sensible way to me.