Another word for unneeded

Taking the pill should never cause you ongoing and unneeded stress due to worries of what problems the pill may cause.

Don't keep unneeded heavy objects in the trunk.

Clearing out unneeded and unwanted possessions may be difficult at first, but clearing out the junk will mean fewer things to care for and maintain.

Take outside and repeat every half hour for first full day to reinforce command and avert unneeded accidents.

Clear away unneeded items from the shot so that your dog will be sure to be the main focus of the picture.