Right-click a blank area inside the Tool Palettes window. Click
Delete Palette.
In the Confirm Palette Deletion message box, click OK to delete
the tool palette.
NoteThere is no
way to undo the deletion of a tool palette. It is recommended that
you first export the tool palette before making any deletions. Use
the Export option in the Customize dialog box.
Toolbar: Standard 
Command
entry: TOOLPALETTES
