1. On the Demand menu, click Demand data.
The Demand data window opens.
2. Select the Standard time series tab.
3. From the list of standard time series, select the one you want to delete.
4. Click the Delete symbol 
.
If this standard time series has been connected to a time series by pair of zone types and/or to demand time series, a security query opens (Allocating different standard time series to relations between certain zone types and Creating demand time series).
5. Confirm the query with Yes.
The standard time series and the particular zone type-based time series and/or demand time series are deleted.
