diff --git a/rslib/src/card/mod.rs b/rslib/src/card/mod.rs
index cc7102c90..ae5cd56bd 100644
--- a/rslib/src/card/mod.rs
+++ b/rslib/src/card/mod.rs
@@ -278,12 +278,12 @@ impl Collection {
 
         self.storage.set_search_table_to_card_ids(cards, false)?;
         let usn = self.usn()?;
-        self.transact(Op::SetFlag, |col| {
+        self.transact(Op::SkipUndo, |col| {
             let mut count = 0;
             for mut card in col.storage.all_searched_cards()? {
-                let original = card.clone();
                 if card.set_flag(flag) {
-                    col.update_card_inner(&mut card, original, usn)?;
+                    card.usn = usn;
+                    col.storage.update_card(&card)?;
                     count += 1;
                 }
             }
diff --git a/rslib/src/collection/transact.rs b/rslib/src/collection/transact.rs
index e40892616..16c7575ed 100644
--- a/rslib/src/collection/transact.rs
+++ b/rslib/src/collection/transact.rs
@@ -31,9 +31,9 @@ impl Collection {
                     changes
                 } else {
                     self.clear_study_queues();
-                    // dummy value for transact_no_undo() case
+                    // dummy value that will be discarded
                     OpChanges {
-                        op: Op::SetFlag,
+                        op: Op::SkipUndo,
                         changes: StateChanges::default(),
                     }
                 };
diff --git a/rslib/src/ops.rs b/rslib/src/ops.rs
index e6600790e..734df8412 100644
--- a/rslib/src/ops.rs
+++ b/rslib/src/ops.rs
@@ -29,7 +29,6 @@ pub enum Op {
     ScheduleAsNew,
     SetCardDeck,
     SetDueDate,
-    SetFlag,
     SortCards,
     Suspend,
     UnburyUnsuspend,
@@ -68,7 +67,6 @@ impl Op {
             Op::UpdatePreferences => tr.preferences_preferences(),
             Op::UpdateTag => tr.actions_update_tag(),
             Op::SetCardDeck => tr.browsing_change_deck(),
-            Op::SetFlag => tr.actions_set_flag(),
             Op::FindAndReplace => tr.browsing_find_and_replace(),
             Op::ClearUnusedTags => tr.browsing_clear_unused_tags(),
             Op::SortCards => tr.browsing_reschedule(),