After upgrading to IntellijIdea 14 I found that the excluded folder in my project is now excluded.
IntellijIdea 14
How to hide it?
The answer is closed in the Project gear menu:
PS: Yes, this is a self-learning post
Right-click in the directory you want to exclude to mark it excluded, and then uncheck the Show Excluded Files box .
Show Excluded Files
1: Intellij IDEA> Settings.
2: go to "File Types".
3: Add * .iml and * .idea to the "Ignore files and folders" field at the bottom of this window.