How to: Delete a chart sheet.
Solution:
Click the tab for the chart sheet and select 'Delete Sheet' from the 'Edit' menu.
1) Click the tab for the desired chart sheet.
NOTE: To select multiple contiguous chart sheets, click on the tab for the first sheet, press and hold down SHIFT, and click on the tab for the last sheet. To select non-contiguous chart sheets, press and hold down the CTRL key while clicking on the tabs for the desired sheets.
2) Select the 'Edit' menu and 'Delete Sheet'.