function bp_remove_feeds() {
	remove_action( 'wp', 'bp_activity_action_sitewide_feed', 3 );
	remove_action( 'wp', 'bp_activity_action_personal_feed', 3 );
	remove_action( 'wp', 'bp_activity_action_friends_feed', 3 );
	remove_action( 'wp', 'bp_activity_action_my_groups_feed', 3 );
	remove_action( 'wp', 'bp_activity_action_mentions_feed', 3 );
	remove_action( 'wp', 'bp_activity_action_favorites_feed', 3 );
	remove_action( 'wp', 'groups_action_group_feed', 3 );
}
add_action('init', 'bp_remove_feeds');