The problem is that career spring-cleaning usually peters out after a few weeks and no one even notices you tried to blow away the cobwebs. Going deeper and scrubbing harder creates a sense of mission. Colleagues and superiors notice the change. This gives you the motivation to stick with it. This is important as tangible results, such as promotion, take time.
If you are worried that your career needs a refurb, then other aspects of your life probably need care and attention as well. Consider re-branding yourself.
First step is a personal audit. Reflect. Ask yourself 'what needs to change?' Then jot down action points. You might consider...
After you reflect, select appropriate actions, institute an action plan and follow through. Do not wait until tomorrow or for the rains to come. Do it ... and spring ahead with your career and perhaps your life as well.