To remove a ODBC data sources:
- Open the Control Panel; click the Start menu, and then Control Panel.
- On the Control Panel, in the Classic View, click Administrative Tools and then Data Sources ODBC (ODBC).
- In the Data Sources ODBC Administrator dialog box, select the User DSN tab. From the User Data Sources list, highlight the ODBC data source to remove and then click Remove.
- Click OK to close the dialog box.