The U.S. Senate has voted to kill broadband provider privacy regulations prohibiting them from selling customers’ web-browsing histories and other data without their permission.

The Senate’s 50-48 vote Thursday on a resolution of disapproval would roll back Federal Communications Commission rules requiring broadband providers to receive opt-in customer permission to share sensitive personal information, including web-browsing history, geolocation, and financial details with third parties. The FCC approved the regulations just five months ago.