MATLAB: How to return the dimension of image if I had already add padding before

Question

W = ones(3);

padded = padarray(W,[1, 1],'symmetric','both');

ASK : dimension = 3×3

after padding = 5×5

can you help me, how to return the dimension back to 3×3

Answer 1

 W = W(2:end-1, 2:end-1);