diff --git a/booking.helper.inc b/booking.helper.inc
index b77c811..ca1d9b3 100644
--- a/booking.helper.inc
+++ b/booking.helper.inc
@@ -699,7 +699,7 @@ function _booking_studygroup_cleanup()
 	//search for entries already in the mapping table that have a booking_status of 3 (not coming)
 	$to_remove_query = db_query("SELECT m.* FROM {booking_studygroup_mapping} m
 		 inner join {booking_person} p on p.nid = m.booking_node_id
-		 WHERE booking_eventid = :eid AND p.booking_status = 3", 
+		 WHERE m.booking_eventid = :eid AND p.booking_status = 3", 
 		array(':eid' => $event->eid));
 	$to_remove = $to_remove_query->fetchAll();
 
diff --git a/booking.studygroups_report.inc b/booking.studygroups_report.inc
index 20dc20e..2c55f95 100644
--- a/booking.studygroups_report.inc
+++ b/booking.studygroups_report.inc
@@ -59,7 +59,7 @@ function booking_studygroups_csv_report($group_id) {
     $data[$member->booking_session_id][] = implode(' ', $text);
 
   }
-  watchdog('booking_debug', "<pre>Study Group CSV Report\n@info</pre>", array('@info' => print_r( $data_array, true)));
+  //watchdog('booking_debug', "<pre>Study Group CSV Report\n@info</pre>", array('@info' => print_r( $data_array, true)));
   
   //calculate the CSV layout
   $header_array = array_keys($data);