How to change CMAKE_PREFIX_PATH

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Hellow,

I created a catkin_workspace that I moved somewhere else now and each time I restart my computer I have old directories path in the CMAKE_PREFIX_PATH environment variable. Is there a way to change that other than define it in the .bashrc ?

My catkin_ws was in /home/ros/catkin_ws and it's now in /home/ros/groovy_ws/catkin_ws. But CMAKE_PREFIX_PATH still have path with /home/ros/catkin_ws in and no /home/ros/groovy_ws/catkin_ws. I just want to know where and when is that variable defined and how to change other the bashrc so I don't have change my bashrc each time I create a catkin_make_isolated for example.

Thanks a lot !