Click the 
Delete button on the toolbar of the Dictionary Elements tab.
Select the similarly named item in the element's context menu.
To delete the selected dictionary element:
Click the Delete button on the toolbar of the Dictionary Elements tab.
Select the similarly named item in the element's context menu.
After selecting the item the confirmation of deleting all elements of the selected dictionary element will be required.
NOTE. Parent elements are deleted together with child elements.
To delete all dictionary elements:
Click the 
Clear Dictionary button on the toolbar of the Dictionary Elements tab. It is available only in the desktop application.
Select the Edit > Clear Dictionary main menu item. It is available only in the web application.
After selecting the operation the confirmation of deleting all elements of the MDM dictionary will be required.
An information message is displayed after the dictionary is cleared.
If an error occurred during dictionary clearing, the following information message is displayed: An error occurred while deleting element <Element_Name>. Click the Details button to show the text of error. To skip deleting of the current element, click the Skip button. To skip deleting of the current element and all further elements, deleting of which may cause such errors, click the Skip All button.
On clearing an MDM dictionary the dialog box, the contents of which depends on MDM dictionary type and set parameters, opens. The dialog box may contain the following checkboxes:
Define Parameter Values. If the checkbox is selected, it is possible to specify value of parameters, by which elements are cleared. An appropriate editor is displayed for each MDM dictionary parameter:
The checkbox is displayed on clearing of:
Parametric table MDM dictionary.
Parametric version table MDM dictionary.
Specify Closing Date for Element. The checkbox is displayed only on clearing of version dictionary with manual control of periods. If the checkbox is selected, it is possible to specify closing date for elements, which must be deleted. The current date is specified by default in the date editor.
The checkbox can be selected only in the desktop application.
The checkbox is displayed on clearing of:
NOTE. In the web application the clearing of non-parametric and parametric MDM dictionaries is similar. The dialog box contains the Define Parameter Values checkbox. The list of parameters displays actuality date.
On clearing of a dictionary with configured forming of elements actual period a confirmation about clearing of the dictionary is required.
See also: