Remove Cross-Source Links
Cross-source links can be removed on the Cross-Source Links tab of the Dashboard Interactions dialog. This will delete the cross-source link definition from the Composer environment.
To remove a cross-source link from a dashboard:
Open the dashboard containing the cross-source link you want to edit.
Select on the dashboard icon bar. The Dashboard Interactions dialog appears. Cross-source links are listed on the Cross-Source Links tab.
Select the link you want to remove in the Links list on the left of the tab. Its definition appears on the right.
Select the icon associated with the link you want to remove. A warning dialog appears prompting you to confirm the deletion.
Select . The cross-source link is removed from the dialog.
Save the dashboard to delete the cross-source link definition.