Deleting Members
Each data value is identified by a set of dimension member values and a cube. Deleting dimension members or deselecting the cube results in data loss when refreshing an application.
Before deleting members, understand where in the application they are used (in which forms, exchange rates, and so on) by using Show Usage. See Showing Member Usage in an Application.
You must delete the entity member throughout the application before deleting it from dimension. For example, if the entity member is used in a form, you must delete it from the form before deleting it from dimensions.
To delete members: