To remove an attribute from a block definition
and all block references
Click Home
tabBlock
panelManage
Attributes. At the Command prompt,
enter battman.
In the Block Attribute Manager, select
a block from the Block list, or click Select Block and select a
block in the drawing area.
(Optional) If you do not want attributes
removed from existing instances of the block, click Settings, and,
in the Settings dialog box, clear Apply Changes to Existing References.
In the Block Attribute Manager, select
an attribute from the attribute list, and then click Remove.
Attributes removed from existing block instances
do not disappear until you regenerate the drawing using REGEN.