#### How to delete a BIRT Report Designer data source

Use the following procedure to delete any type of data source.

1. In the data explorer, right-click the data source, and choose Delete from the context menu, as shown in Figure 2-5.

Figure 2-5 Deleting a data source
If any data sets use that data source, BIRT Report Designer displays a list of the data sets in Reference Found, as shown in Figure 2-6.

Figure 2-6 Checking dependencies that affect data sets
2. Choose Yes if you want to delete the BIRT data source.
BIRT Report Designer removes the data source from the report design. If a data set uses the deleted data source, the data explorer prepends a symbol to the name of that data set to indicate that it is unusable. In Figure 2-7, the Sales data set is marked as unusable.

Figure 2-7 An unusable data set