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Click Govern in the navigation menu on the left.
Click Policies.
Click the ellipses (…) that display when you hover at the end of the row for the policy.
Click Edit policy from the menu that displays. The Tracking groups page for the policy displays.
Click Data sources (next to Tracking groups).
Click the ellipses (…) that display when you hover at the end of the row for the data source.
Click Remove data source from the menu that displays.
Select Yes when prompted to verify you want to remove the data source from the policy.
