To remove a column template from a Format within Report Designer (on the Formats tab)
In the Explorer pane, double click the Format that you want to remove the column template from.
In the Format Editor, select the columns that you want to remove the template from. You must select all columns that the template applies to.
Right-click the column header(s) and select Apply Column Template. The Apply Column Template window opens.
Deselect Apply Column Template.
Click Apply.
Click Close.
