How to remove discovered include paths from your Standard Make Project in Eclipse/CDT

Getting invalid include path when compiling your c/c++ project:

how to remove them::

1. Right-click your project from the "C/C++ Projects" window, select "Properties"
2. Select "C/C++ Make Project", then the "Discovery Options" tab
3. Uncheck "Automate discovery of paths and symbols"
4. Select "C/C++ Project Paths" on the sidebar, then the "Path Containers" tab
5. Click on "Discovered Paths" to select it, then click "Remove"
6. Click "OK"