diff --git a/proto/backend.proto b/proto/backend.proto
index cc8c4b88c..192450ce6 100644
--- a/proto/backend.proto
+++ b/proto/backend.proto
@@ -21,6 +21,10 @@ message Int32 {
     sint32 val = 1;
 }
 
+message UInt32 {
+    uint32 val = 1;
+}
+
 message Int64 {
     int64 val = 1;
 }
@@ -37,6 +41,19 @@ message Bool {
     bool val = 1;
 }
 
+message NoteTypeID {
+    int64 ntid = 1;
+}
+
+message NoteID {
+    int64 nid = 1;
+}
+
+message CardID {
+    int64 cid = 1;
+}
+
+
 // New style RPC definitions
 ///////////////////////////////////////////////////////////
 
@@ -86,6 +103,22 @@ service BackendService {
     rpc NewDeckConfigLegacy (Empty) returns (Bytes);
     rpc RemoveDeckConfig (Int64) returns (Empty);
 
+    // cards
+
+    rpc GetCard (CardID) returns (Card);
+    rpc UpdateCard (Card) returns (Empty);
+    rpc AddCard (Card) returns (CardID);
+
+    // notes
+
+    rpc NewNote (NoteTypeID) returns (Note);
+    rpc AddNote (AddNoteIn) returns (NoteID);
+    rpc UpdateNote (Note) returns (Empty);
+    rpc GetNote (NoteID) returns (Note);
+    rpc AddNoteTags (AddNoteTagsIn) returns (UInt32);
+    rpc UpdateNoteTags (UpdateNoteTagsIn) returns (UInt32);
+    rpc ClozeNumbersInNote (Note) returns (ClozeNumbersInNoteOut);
+
     // misc
 
     rpc CheckDatabase (Empty) returns (CheckDatabaseOut);
@@ -344,9 +377,6 @@ message BackendInput {
         Empty restore_trash = 35;
         OpenCollectionIn open_collection = 36;
         CloseCollectionIn close_collection = 37;
-        int64 get_card = 38;
-        Card update_card = 39;
-        Card add_card = 40;
         Empty abort_media_sync = 46;
         Empty before_upload = 47;
         RegisterTagsIn register_tags = 48;
@@ -364,19 +394,12 @@ message BackendInput {
         Empty get_notetype_names_and_counts = 63;
         string get_notetype_id_by_name = 64;
         int64 remove_notetype = 65;
-        int64 new_note = 66;
-        AddNoteIn add_note = 67;
-        Note update_note = 68;
-        int64 get_note = 69;
         FieldNamesForNotesIn field_names_for_notes = 78;
         FindAndReplaceIn find_and_replace = 79;
         AfterNoteUpdatesIn after_note_updates = 80;
-        AddNoteTagsIn add_note_tags = 81;
-        UpdateNoteTagsIn update_note_tags = 82;
         int32 set_local_minutes_west = 83;
         Empty get_preferences = 84;
         Preferences set_preferences = 85;
-        Note cloze_numbers_in_note = 87;
     }
 }
 
@@ -388,7 +411,6 @@ message BackendOutput {
         string studied_today = 32;
         string congrats_learn_msg = 33;
         Empty abort_media_sync = 46;
-        ClozeNumbersInNoteOut cloze_numbers_in_note = 87;
 
         // fallible commands
         string add_media_file = 26;
@@ -396,9 +418,6 @@ message BackendOutput {
         Empty restore_trash = 35;
         Empty open_collection = 36;
         Empty close_collection = 37;
-        GetCardOut get_card = 38;
-        Empty update_card = 39;
-        int64 add_card = 40;
         Empty before_upload = 47;
         bool register_tags = 48;
         AllTagsOut all_tags = 50;
@@ -414,15 +433,9 @@ message BackendOutput {
         NoteTypeUseCounts get_notetype_names_and_counts = 63;
         int64 get_notetype_id_by_name = 64;
         Empty remove_notetype = 65;
-        Note new_note = 66;
-        int64 add_note = 67;
-        Empty update_note = 68;
-        Note get_note = 69;
         FieldNamesForNotesOut field_names_for_notes = 78;
         uint32 find_and_replace = 79;
         Empty after_note_updates = 80;
-        uint32 add_note_tags = 81;
-        uint32 update_note_tags = 82;
         Empty set_local_minutes_west = 83;
         Preferences get_preferences = 84;
         Empty set_preferences = 85;
@@ -698,11 +711,6 @@ message BuiltinSearchOrder {
     bool reverse = 2;
 }
 
-
-message GetCardOut {
-    Card card = 1;
-}
-
 message CloseCollectionIn {
     bool downgrade_to_schema11 = 1;
 }
diff --git a/pylib/anki/models.py b/pylib/anki/models.py
index 56e015aa2..2c7c1c84c 100644
--- a/pylib/anki/models.py
+++ b/pylib/anki/models.py
@@ -467,4 +467,4 @@ and notes.mid = ? and cards.ord = ?""",
     def _availClozeOrds(self, m: NoteType, flds: str, allowEmpty: bool = True) -> List:
         print("_availClozeOrds() is deprecated; use note.cloze_numbers_in_fields()")
         note = anki.rsbackend.BackendNote(fields=[flds])
-        return self.col.backend.cloze_numbers_in_note(note)
+        return list(self.col.backend.cloze_numbers_in_note(note))
diff --git a/pylib/anki/notes.py b/pylib/anki/notes.py
index f720f9371..4a91b762e 100644
--- a/pylib/anki/notes.py
+++ b/pylib/anki/notes.py
@@ -3,7 +3,7 @@
 
 from __future__ import annotations
 
-from typing import Any, List, Optional, Tuple
+from typing import Any, List, Optional, Sequence, Tuple
 
 import anki  # pylint: disable=unused-import
 from anki import hooks
@@ -82,7 +82,7 @@ class Note:
 
     _model = property(model)
 
-    def cloze_numbers_in_fields(self) -> List[int]:
+    def cloze_numbers_in_fields(self) -> Sequence[int]:
         return self.col.backend.cloze_numbers_in_note(self.to_backend_note())
 
     # Dict interface
diff --git a/pylib/anki/rsbackend.py b/pylib/anki/rsbackend.py
index 409302ad2..332d16964 100644
--- a/pylib/anki/rsbackend.py
+++ b/pylib/anki/rsbackend.py
@@ -306,20 +306,6 @@ class RustBackend:
     def _db_command(self, input: Dict[str, Any]) -> Any:
         return orjson.loads(self._backend.db_command(orjson.dumps(input)))
 
-    def get_card(self, cid: int) -> Optional[pb.Card]:
-        output = self._run_command(pb.BackendInput(get_card=cid)).get_card
-        if output.HasField("card"):
-            return output.card
-        else:
-            return None
-
-    def update_card(self, card: BackendCard) -> None:
-        self._run_command(pb.BackendInput(update_card=card))
-
-    # returns the new card id
-    def add_card(self, card: BackendCard) -> int:
-        return self._run_command(pb.BackendInput(add_card=card)).add_card
-
     def abort_media_sync(self):
         self._run_command(pb.BackendInput(abort_media_sync=pb.Empty()))
 
@@ -442,23 +428,6 @@ class RustBackend:
     def remove_notetype(self, ntid: int) -> None:
         self._run_command(pb.BackendInput(remove_notetype=ntid), release_gil=True)
 
-    def new_note(self, ntid: int) -> BackendNote:
-        return self._run_command(pb.BackendInput(new_note=ntid)).new_note
-
-    def add_note(self, note: BackendNote, deck_id: int) -> int:
-        return self._run_command(
-            pb.BackendInput(add_note=pb.AddNoteIn(note=note, deck_id=deck_id))
-        ).add_note
-
-    def update_note(self, note: BackendNote) -> None:
-        self._run_command(pb.BackendInput(update_note=note))
-
-    def get_note(self, nid) -> Optional[BackendNote]:
-        try:
-            return self._run_command(pb.BackendInput(get_note=nid)).get_note
-        except NotFoundError:
-            return None
-
     def field_names_for_note_ids(self, nids: List[int]) -> Sequence[str]:
         return self._run_command(
             pb.BackendInput(field_names_for_notes=pb.FieldNamesForNotesIn(nids=nids)),
@@ -502,22 +471,6 @@ class RustBackend:
             release_gil=True,
         )
 
-    def add_note_tags(self, nids: List[int], tags: str) -> int:
-        return self._run_command(
-            pb.BackendInput(add_note_tags=pb.AddNoteTagsIn(nids=nids, tags=tags))
-        ).add_note_tags
-
-    def update_note_tags(
-        self, nids: List[int], tags: str, replacement: str, regex: bool
-    ) -> int:
-        return self._run_command(
-            pb.BackendInput(
-                update_note_tags=pb.UpdateNoteTagsIn(
-                    nids=nids, tags=tags, replacement=replacement, regex=regex
-                )
-            )
-        ).update_note_tags
-
     def set_local_minutes_west(self, mins: int) -> None:
         self._run_command(pb.BackendInput(set_local_minutes_west=mins))
 
@@ -529,13 +482,6 @@ class RustBackend:
     def set_preferences(self, prefs: pb.Preferences) -> None:
         self._run_command(pb.BackendInput(set_preferences=prefs))
 
-    def cloze_numbers_in_note(self, note: pb.Note) -> List[int]:
-        return list(
-            self._run_command(
-                pb.BackendInput(cloze_numbers_in_note=note)
-            ).cloze_numbers_in_note.numbers
-        )
-
     def _run_command2(self, method: int, input: Any) -> bytes:
         input_bytes = input.SerializeToString()
         try:
@@ -731,10 +677,70 @@ class RustBackend:
         output.ParseFromString(self._run_command2(27, input))
         return output
 
+    def get_card(self, cid: int) -> pb.Card:
+        input = pb.CardID(cid=cid)
+        output = pb.Card()
+        output.ParseFromString(self._run_command2(28, input))
+        return output
+
+    def update_card(self, input: pb.Card) -> pb.Empty:
+        output = pb.Empty()
+        output.ParseFromString(self._run_command2(29, input))
+        return output
+
+    def add_card(self, input: pb.Card) -> int:
+        output = pb.CardID()
+        output.ParseFromString(self._run_command2(30, input))
+        return output.cid
+
+    def new_note(self, ntid: int) -> pb.Note:
+        input = pb.NoteTypeID(ntid=ntid)
+        output = pb.Note()
+        output.ParseFromString(self._run_command2(31, input))
+        return output
+
+    def add_note(self, note: pb.Note, deck_id: int) -> int:
+        input = pb.AddNoteIn(note=note, deck_id=deck_id)
+        output = pb.NoteID()
+        output.ParseFromString(self._run_command2(32, input))
+        return output.nid
+
+    def update_note(self, input: pb.Note) -> pb.Empty:
+        output = pb.Empty()
+        output.ParseFromString(self._run_command2(33, input))
+        return output
+
+    def get_note(self, nid: int) -> pb.Note:
+        input = pb.NoteID(nid=nid)
+        output = pb.Note()
+        output.ParseFromString(self._run_command2(34, input))
+        return output
+
+    def add_note_tags(self, nids: Sequence[int], tags: str) -> int:
+        input = pb.AddNoteTagsIn(nids=nids, tags=tags)
+        output = pb.UInt32()
+        output.ParseFromString(self._run_command2(35, input))
+        return output.val
+
+    def update_note_tags(
+        self, nids: Sequence[int], tags: str, replacement: str, regex: bool
+    ) -> int:
+        input = pb.UpdateNoteTagsIn(
+            nids=nids, tags=tags, replacement=replacement, regex=regex
+        )
+        output = pb.UInt32()
+        output.ParseFromString(self._run_command2(36, input))
+        return output.val
+
+    def cloze_numbers_in_note(self, input: pb.Note) -> Sequence[int]:
+        output = pb.ClozeNumbersInNoteOut()
+        output.ParseFromString(self._run_command2(37, input))
+        return output.numbers
+
     def check_database(self) -> Sequence[str]:
         input = pb.Empty()
         output = pb.CheckDatabaseOut()
-        output.ParseFromString(self._run_command2(28, input))
+        output.ParseFromString(self._run_command2(38, input))
         return output.problems
 
     # @@AUTOGEN@@
diff --git a/pylib/tests/test_models.py b/pylib/tests/test_models.py
index 7246295aa..0b4c7148d 100644
--- a/pylib/tests/test_models.py
+++ b/pylib/tests/test_models.py
@@ -2,6 +2,7 @@
 import time
 
 from anki.consts import MODEL_CLOZE
+from anki.rsbackend import NotFoundError
 from anki.utils import isWin, stripHTML
 from tests.shared import getEmptyCol
 
@@ -323,7 +324,7 @@ def test_modelChange():
     try:
         c1.load()
         assert 0
-    except AssertionError:
+    except NotFoundError:
         pass
     # but we have two cards, as a new one was generated
     assert len(f.cards()) == 2
diff --git a/pylib/tools/genbackend.py b/pylib/tools/genbackend.py
index 47c4c1428..969d7bebb 100755
--- a/pylib/tools/genbackend.py
+++ b/pylib/tools/genbackend.py
@@ -77,8 +77,16 @@ def get_input_assign(msg):
 
 
 def render_method(method, idx):
-    input_args = get_input_args(method.input_type)
-    input_assign = get_input_assign(method.input_type)
+    input_name = method.input_type.name
+    if input_name.endswith("In") or len(method.input_type.fields) < 2:
+        input_args = get_input_args(method.input_type)
+        input_assign = get_input_assign(method.input_type)
+        input_assign_outer = (
+            f"input = pb.{method.input_type.name}({input_assign})\n        "
+        )
+    else:
+        input_args = f"self, input: pb.{input_name}"
+        input_assign_outer = ""
     name = fix_snakecase(stringcase.snakecase(method.name))
     if len(method.output_type.fields) == 1:
         # unwrap single return arg
@@ -90,8 +98,7 @@ def render_method(method, idx):
         return_type = f"pb.{method.output_type.name}"
     return f"""\
     def {name}({input_args}) -> {return_type}:
-        input = pb.{method.input_type.name}({input_assign})
-        output = pb.{method.output_type.name}()
+        {input_assign_outer}output = pb.{method.output_type.name}()
         output.ParseFromString(self._run_command2({idx+1}, input))
         return output{single_field}
 """
diff --git a/rslib/src/backend/mod.rs b/rslib/src/backend/mod.rs
index 3544be70a..9b272459d 100644
--- a/rslib/src/backend/mod.rs
+++ b/rslib/src/backend/mod.rs
@@ -166,12 +166,36 @@ impl From<i64> for pb::Int64 {
     }
 }
 
+impl From<u32> for pb::UInt32 {
+    fn from(val: u32) -> Self {
+        pb::UInt32 { val }
+    }
+}
+
 impl From<()> for pb::Empty {
     fn from(_val: ()) -> Self {
         pb::Empty {}
     }
 }
 
+impl From<pb::CardId> for CardID {
+    fn from(cid: pb::CardId) -> Self {
+        CardID(cid.cid)
+    }
+}
+
+impl From<pb::NoteId> for NoteID {
+    fn from(nid: pb::NoteId) -> Self {
+        NoteID(nid.nid)
+    }
+}
+
+impl From<pb::NoteTypeId> for NoteTypeID {
+    fn from(ntid: pb::NoteTypeId) -> Self {
+        NoteTypeID(ntid.ntid)
+    }
+}
+
 impl BackendService for Backend {
     // card rendering
 
@@ -486,6 +510,106 @@ impl BackendService for Backend {
         .map(Into::into)
     }
 
+    // cards
+    //-------------------------------------------------------------------
+
+    fn get_card(&mut self, input: pb::CardId) -> BackendResult<pb::Card> {
+        self.with_col(|col| {
+            col.storage
+                .get_card(input.into())
+                .and_then(|opt| opt.ok_or(AnkiError::NotFound))
+                .map(card_to_pb)
+        })
+    }
+
+    fn update_card(&mut self, input: pb::Card) -> BackendResult<Empty> {
+        let mut card = pbcard_to_native(input)?;
+        self.with_col(|col| {
+            col.transact(None, |ctx| {
+                let orig = ctx
+                    .storage
+                    .get_card(card.id)?
+                    .ok_or_else(|| AnkiError::invalid_input("missing card"))?;
+                ctx.update_card(&mut card, &orig)
+            })
+        })
+        .map(Into::into)
+    }
+
+    fn add_card(&mut self, input: pb::Card) -> BackendResult<pb::CardId> {
+        let mut card = pbcard_to_native(input)?;
+        self.with_col(|col| col.transact(None, |ctx| ctx.add_card(&mut card)))?;
+        Ok(pb::CardId { cid: card.id.0 })
+    }
+
+    // notes
+    //-------------------------------------------------------------------
+
+    fn new_note(&mut self, input: pb::NoteTypeId) -> BackendResult<pb::Note> {
+        self.with_col(|col| {
+            let nt = col.get_notetype(input.into())?.ok_or(AnkiError::NotFound)?;
+            Ok(nt.new_note().into())
+        })
+    }
+
+    fn add_note(&mut self, input: pb::AddNoteIn) -> BackendResult<pb::NoteId> {
+        self.with_col(|col| {
+            let mut note: Note = input.note.ok_or(AnkiError::NotFound)?.into();
+            col.add_note(&mut note, DeckID(input.deck_id))
+                .map(|_| pb::NoteId { nid: note.id.0 })
+        })
+    }
+
+    fn update_note(&mut self, input: pb::Note) -> BackendResult<Empty> {
+        self.with_col(|col| {
+            let mut note: Note = input.into();
+            col.update_note(&mut note)
+        })
+        .map(Into::into)
+    }
+
+    fn get_note(&mut self, input: pb::NoteId) -> BackendResult<pb::Note> {
+        self.with_col(|col| {
+            col.storage
+                .get_note(input.into())?
+                .ok_or(AnkiError::NotFound)
+                .map(Into::into)
+        })
+    }
+
+    fn add_note_tags(&mut self, input: pb::AddNoteTagsIn) -> BackendResult<pb::UInt32> {
+        self.with_col(|col| {
+            col.add_tags_for_notes(&to_nids(input.nids), &input.tags)
+                .map(|n| n as u32)
+        })
+        .map(Into::into)
+    }
+
+    fn update_note_tags(&mut self, input: pb::UpdateNoteTagsIn) -> BackendResult<pb::UInt32> {
+        self.with_col(|col| {
+            col.replace_tags_for_notes(
+                &to_nids(input.nids),
+                &input.tags,
+                &input.replacement,
+                input.regex,
+            )
+            .map(|n| (n as u32).into())
+        })
+    }
+
+    fn cloze_numbers_in_note(
+        &mut self,
+        note: pb::Note,
+    ) -> BackendResult<pb::ClozeNumbersInNoteOut> {
+        let mut set = HashSet::with_capacity(4);
+        for field in &note.fields {
+            add_cloze_numbers_in_string(field, &mut set);
+        }
+        Ok(pb::ClozeNumbersInNoteOut {
+            numbers: set.into_iter().map(|n| n as u32).collect(),
+        })
+    }
+
     // media
     //-------------------------------------------------------------------
 
@@ -669,12 +793,6 @@ impl Backend {
                 self.close_collection(input.downgrade_to_schema11)?;
                 OValue::CloseCollection(Empty {})
             }
-            Value::GetCard(cid) => OValue::GetCard(self.get_card(cid)?),
-            Value::UpdateCard(card) => {
-                self.update_card(card)?;
-                OValue::UpdateCard(pb::Empty {})
-            }
-            Value::AddCard(card) => OValue::AddCard(self.add_card(card)?),
             Value::AbortMediaSync(_) => {
                 self.abort_media_sync();
                 OValue::AbortMediaSync(pb::Empty {})
@@ -721,13 +839,6 @@ impl Backend {
                 self.remove_notetype(id)?;
                 OValue::RemoveNotetype(pb::Empty {})
             }
-            Value::NewNote(ntid) => OValue::NewNote(self.new_note(ntid)?),
-            Value::AddNote(input) => OValue::AddNote(self.add_note(input)?),
-            Value::UpdateNote(note) => {
-                self.update_note(note)?;
-                OValue::UpdateNote(pb::Empty {})
-            }
-            Value::GetNote(nid) => OValue::GetNote(self.get_note(nid)?),
             Value::FieldNamesForNotes(input) => {
                 OValue::FieldNamesForNotes(self.field_names_for_notes(input)?)
             }
@@ -735,8 +846,6 @@ impl Backend {
             Value::AfterNoteUpdates(input) => {
                 OValue::AfterNoteUpdates(self.after_note_updates(input)?)
             }
-            Value::AddNoteTags(input) => OValue::AddNoteTags(self.add_note_tags(input)?),
-            Value::UpdateNoteTags(input) => OValue::UpdateNoteTags(self.update_note_tags(input)?),
             Value::SetLocalMinutesWest(mins) => OValue::SetLocalMinutesWest({
                 self.set_local_mins_west(mins)?;
                 pb::Empty {}
@@ -746,9 +855,6 @@ impl Backend {
                 self.set_preferences(prefs)?;
                 pb::Empty {}
             }),
-            Value::ClozeNumbersInNote(note) => {
-                OValue::ClozeNumbersInNote(self.cloze_numbers_in_note(note))
-            }
         })
     }
 
@@ -924,32 +1030,6 @@ impl Backend {
         self.with_col(|col| db_command_bytes(&col.storage, input))
     }
 
-    fn get_card(&self, cid: i64) -> Result<pb::GetCardOut> {
-        let card = self.with_col(|col| col.storage.get_card(CardID(cid)))?;
-        Ok(pb::GetCardOut {
-            card: card.map(card_to_pb),
-        })
-    }
-
-    fn update_card(&self, pbcard: pb::Card) -> Result<()> {
-        let mut card = pbcard_to_native(pbcard)?;
-        self.with_col(|col| {
-            col.transact(None, |ctx| {
-                let orig = ctx
-                    .storage
-                    .get_card(card.id)?
-                    .ok_or_else(|| AnkiError::invalid_input("missing card"))?;
-                ctx.update_card(&mut card, &orig)
-            })
-        })
-    }
-
-    fn add_card(&self, pbcard: pb::Card) -> Result<i64> {
-        let mut card = pbcard_to_native(pbcard)?;
-        self.with_col(|col| col.transact(None, |ctx| ctx.add_card(&mut card)))?;
-        Ok(card.id.0)
-    }
-
     fn before_upload(&self) -> Result<()> {
         self.with_col(|col| col.before_upload())
     }
@@ -1104,39 +1184,6 @@ impl Backend {
         self.with_col(|col| col.remove_notetype(NoteTypeID(id)))
     }
 
-    fn new_note(&self, ntid: i64) -> Result<pb::Note> {
-        self.with_col(|col| {
-            let nt = col
-                .get_notetype(NoteTypeID(ntid))?
-                .ok_or(AnkiError::NotFound)?;
-            Ok(nt.new_note().into())
-        })
-    }
-
-    fn add_note(&self, input: pb::AddNoteIn) -> Result<i64> {
-        self.with_col(|col| {
-            let mut note: Note = input.note.ok_or(AnkiError::NotFound)?.into();
-            col.add_note(&mut note, DeckID(input.deck_id))
-                .map(|_| note.id.0)
-        })
-    }
-
-    fn update_note(&self, pbnote: pb::Note) -> Result<()> {
-        self.with_col(|col| {
-            let mut note: Note = pbnote.into();
-            col.update_note(&mut note)
-        })
-    }
-
-    fn get_note(&self, nid: i64) -> Result<pb::Note> {
-        self.with_col(|col| {
-            col.storage
-                .get_note(NoteID(nid))?
-                .ok_or(AnkiError::NotFound)
-                .map(Into::into)
-        })
-    }
-
     fn field_names_for_notes(
         &self,
         input: pb::FieldNamesForNotesIn,
@@ -1184,25 +1231,6 @@ impl Backend {
         })
     }
 
-    fn add_note_tags(&self, input: pb::AddNoteTagsIn) -> Result<u32> {
-        self.with_col(|col| {
-            col.add_tags_for_notes(&to_nids(input.nids), &input.tags)
-                .map(|n| n as u32)
-        })
-    }
-
-    fn update_note_tags(&self, input: pb::UpdateNoteTagsIn) -> Result<u32> {
-        self.with_col(|col| {
-            col.replace_tags_for_notes(
-                &to_nids(input.nids),
-                &input.tags,
-                &input.replacement,
-                input.regex,
-            )
-            .map(|n| n as u32)
-        })
-    }
-
     fn set_local_mins_west(&self, mins: i32) -> Result<()> {
         self.with_col(|col| col.transact(None, |col| col.set_local_mins_west(mins)))
     }
@@ -1215,16 +1243,6 @@ impl Backend {
         self.with_col(|col| col.transact(None, |col| col.set_preferences(prefs)))
     }
 
-    fn cloze_numbers_in_note(&self, note: pb::Note) -> pb::ClozeNumbersInNoteOut {
-        let mut set = HashSet::with_capacity(4);
-        for field in &note.fields {
-            add_cloze_numbers_in_string(field, &mut set);
-        }
-        pb::ClozeNumbersInNoteOut {
-            numbers: set.into_iter().map(|n| n as u32).collect(),
-        }
-    }
-
     fn get_stock_notetype_legacy(&self, kind: i32) -> Result<Vec<u8>> {
         // fixme: use individual functions instead of full vec
         let mut all = all_stock_notetypes(&self.i18n);