To remove a program unit from a PL/SQL library:
In the Object Navigator, expand the PL/SQL Libraries node, then the library node for the program unit.
Under the open library's Program Units node, click the library program unit you want to delete.
Click
in the toolbar.
In the message box, click Yes.
About external PL/SQL libraries
Creating an external PL/SQL library
Adding a program unit to an open library
Editing a program unit in a PL/SQL library
Editing a program unit in a PL/SQL library
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