No pain usually means no worries i.e. no acute or progressive/degenerative condition nor is the clicking predisposing you to any conditions. Many possible benign sources the exact of which is irrelevant because you should be all hakuna matata about this shit.
Symptoms other then pain which may be worth looking into include: a feeling of giving way, locking, stiffness/tightness, swelling, heat/higher temperature etc.
A history of knee/joint injury, pain or other symptoms could mean that this is worth worrying about tho.
For what you’ve described: Monitor symptoms for deterioration/worsening e.g. pain and seek professional help if that occurs.
If you are paranoid and it bothers you the go around ninja walking or whatever but ironically that change in gait pattern could lead to accelerated joint wear and tear and arthritis down the line.
If you spend time and money to get it checked out you’ll likely end up with nothing, maybe not even peace of mind.
Move to Australia. Ez