Unneeded hole in the wooden partition or details it is easy to putty. However, such a tube may eventually shrink or crack and fall out.
This does not happen, if before applying the putty into the hole to fill the nails: they will play a role of reinforcement and sealing holes will be more reliable and durable.
Recommend to read
SHELF ON ONE SIDE
Posted a sloping shelf in the closet, as shown, will allow rational use of disappearing in a corner for storing all sorts of small household items.
THE TECHNICAL PEN FROM THE “BALL”
One time I urgently needed to draw a charge, and at hand, no needle to scratch or ruling pen, although the lacquer was. Then decided to fill them inscribed with the rod of a ballpoint...