diff --git a/modules/relay/src/main/RelayApi.scala b/modules/relay/src/main/RelayApi.scala
index d8711936a8315..5e1347d642bdf 100644
--- a/modules/relay/src/main/RelayApi.scala
+++ b/modules/relay/src/main/RelayApi.scala
@@ -379,14 +379,13 @@ final class RelayApi(
       yield rt.tour.some
 
   def deleteTourIfOwner(tour: RelayTour)(using me: Me): Fu[Boolean] =
-    (tour.isOwnedBy(me) || Granter(_.StudyAdmin))
-      .so:
-        for
-          _      <- tourRepo.delete(tour)
-          rounds <- roundRepo.idsByTourOrdered(tour.id)
-          _      <- roundRepo.deleteByTour(tour)
-          _      <- rounds.map(_.into(StudyId)).sequentiallyVoid(studyApi.deleteById)
-        yield true
+    ((tour.isOwnedBy(me) || Granter(_.StudyAdmin)) && !tour.official).so:
+      for
+        _      <- tourRepo.delete(tour)
+        rounds <- roundRepo.idsByTourOrdered(tour.id)
+        _      <- roundRepo.deleteByTour(tour)
+        _      <- rounds.map(_.into(StudyId)).sequentiallyVoid(studyApi.deleteById)
+      yield true
 
   def canUpdate(tour: RelayTour)(using me: Me): Fu[Boolean] =
     fuccess(Granter(_.StudyAdmin) || tour.isOwnedBy(me)) >>|