diff --git a/proto/anki/import_export.proto b/proto/anki/import_export.proto
index 85d68e1b8..fbe00086d 100644
--- a/proto/anki/import_export.proto
+++ b/proto/anki/import_export.proto
@@ -58,7 +58,7 @@ message ImportResponse {
     repeated Note missing_notetype = 6;
     repeated Note missing_deck = 7;
     repeated Note empty_first_field = 8;
-    ImportCsvRequest.DupeResolution dupe_resolution = 9;
+    CsvMetadata.DupeResolution dupe_resolution = 9;
     // Usually the sum of all queues, but may be lower if multiple duplicates
     // have been updated with the same note.
     uint32 found_notes = 10;
@@ -106,15 +106,8 @@ message MediaEntries {
 }
 
 message ImportCsvRequest {
-  enum DupeResolution {
-    UPDATE = 0;
-    IGNORE = 1;
-    ADD = 2;
-    // UPDATE_IF_NEWER = 3;
-  }
   string path = 1;
   CsvMetadata metadata = 2;
-  DupeResolution dupe_resolution = 3;
 }
 
 message CsvMetadataRequest {
@@ -127,6 +120,12 @@ message CsvMetadataRequest {
 // Column indices are 1-based to make working with them in TS easier, where
 // unset numerical fields default to 0.
 message CsvMetadata {
+  enum DupeResolution {
+    UPDATE = 0;
+    IGNORE = 1;
+    ADD = 2;
+    // UPDATE_IF_NEWER = 3;
+  }
   // Order roughly in ascending expected frequency in note text, because the
   // delimiter detection algorithm is stupidly picking the first one it
   // encounters.
@@ -168,7 +167,7 @@ message CsvMetadata {
   bool force_is_html = 12;
   repeated generic.StringList preview = 13;
   uint32 guid_column = 14;
-  ImportCsvRequest.DupeResolution dupe_resolution = 15;
+  DupeResolution dupe_resolution = 15;
 }
 
 message ExportCardCsvRequest {
diff --git a/pylib/anki/collection.py b/pylib/anki/collection.py
index 79597a718..4a95bedad 100644
--- a/pylib/anki/collection.py
+++ b/pylib/anki/collection.py
@@ -35,8 +35,8 @@ BrowserColumns = search_pb2.BrowserColumns
 StripHtmlMode = card_rendering_pb2.StripHtmlRequest
 ImportLogWithChanges = import_export_pb2.ImportResponse
 ImportCsvRequest = import_export_pb2.ImportCsvRequest
-DupeResolution = ImportCsvRequest.DupeResolution
 CsvMetadata = import_export_pb2.CsvMetadata
+DupeResolution = CsvMetadata.DupeResolution
 Delimiter = import_export_pb2.CsvMetadata.Delimiter
 
 import copy
diff --git a/rslib/build/protobuf.rs b/rslib/build/protobuf.rs
index 84056790f..55252fd00 100644
--- a/rslib/build/protobuf.rs
+++ b/rslib/build/protobuf.rs
@@ -112,7 +112,7 @@ pub fn write_backend_proto_rs() {
             "#[derive(Copy, serde_derive::Deserialize, serde_derive::Serialize)]",
         )
         .type_attribute(
-            "ImportCsvRequest.DupeResolution",
+            "CsvMetadata.DupeResolution",
             "#[derive(serde_derive::Deserialize, serde_derive::Serialize)]",
         )
         .compile_protos(paths.as_slice(), &[proto_dir])
diff --git a/rslib/src/backend/import_export.rs b/rslib/src/backend/import_export.rs
index 24e29a2ff..f8741c431 100644
--- a/rslib/src/backend/import_export.rs
+++ b/rslib/src/backend/import_export.rs
@@ -86,11 +86,9 @@ impl ImportExportService for Backend {
 
     fn import_csv(&self, input: pb::ImportCsvRequest) -> Result<pb::ImportResponse> {
         self.with_col(|col| {
-            let dupe_resolution = input.dupe_resolution();
             col.import_csv(
                 &input.path,
                 input.metadata.unwrap_or_default(),
-                dupe_resolution,
                 self.import_progress_fn(),
             )
         })
diff --git a/rslib/src/import_export/text/csv/import.rs b/rslib/src/import_export/text/csv/import.rs
index f355ca0ff..6da753812 100644
--- a/rslib/src/import_export/text/csv/import.rs
+++ b/rslib/src/import_export/text/csv/import.rs
@@ -10,7 +10,7 @@ use crate::{
     import_export::{
         text::{
             csv::metadata::{CsvDeck, CsvMetadata, CsvNotetype, Delimiter},
-            DupeResolution, ForeignData, ForeignNote, NameOrId,
+            ForeignData, ForeignNote, NameOrId,
         },
         ImportProgress, NoteLog,
     },
@@ -22,7 +22,6 @@ impl Collection {
         &mut self,
         path: &str,
         metadata: CsvMetadata,
-        dupe_resolution: DupeResolution,
         progress_fn: impl 'static + FnMut(ImportProgress, bool) -> bool,
     ) -> Result<OpOutput<NoteLog>> {
         let file = File::open(path)?;
@@ -32,7 +31,7 @@ impl Collection {
         let notes = ctx.deserialize_csv(file, metadata.delimiter())?;
 
         ForeignData {
-            dupe_resolution,
+            dupe_resolution: metadata.dupe_resolution(),
             default_deck,
             default_notetype,
             notes,
diff --git a/rslib/src/import_export/text/csv/metadata.rs b/rslib/src/import_export/text/csv/metadata.rs
index e2cb17f88..10d8985d9 100644
--- a/rslib/src/import_export/text/csv/metadata.rs
+++ b/rslib/src/import_export/text/csv/metadata.rs
@@ -12,8 +12,9 @@ use strum::IntoEnumIterator;
 
 use super::import::build_csv_reader;
 pub use crate::pb::import_export::{
-    csv_metadata::{Deck as CsvDeck, Delimiter, MappedNotetype, Notetype as CsvNotetype},
-    import_csv_request::DupeResolution,
+    csv_metadata::{
+        Deck as CsvDeck, Delimiter, DupeResolution, MappedNotetype, Notetype as CsvNotetype,
+    },
     CsvMetadata,
 };
 use crate::{
diff --git a/rslib/src/import_export/text/mod.rs b/rslib/src/import_export/text/mod.rs
index e81cbae45..b3cefbdee 100644
--- a/rslib/src/import_export/text/mod.rs
+++ b/rslib/src/import_export/text/mod.rs
@@ -8,7 +8,7 @@ mod json;
 use serde_derive::{Deserialize, Serialize};
 
 use super::LogNote;
-use crate::pb::import_csv_request::DupeResolution;
+use crate::pb::csv_metadata::DupeResolution;
 
 #[derive(Debug, Clone, Default, Serialize, Deserialize)]
 #[serde(default)]
diff --git a/ts/import-csv/DupeResolutionSelector.svelte b/ts/import-csv/DupeResolutionSelector.svelte
index 47fdefbed..8a4008f5c 100644
--- a/ts/import-csv/DupeResolutionSelector.svelte
+++ b/ts/import-csv/DupeResolutionSelector.svelte
@@ -8,19 +8,19 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
     import * as tr from "../lib/ftl";
     import { ImportExport } from "../lib/proto";
 
-    export let dupeResolution: ImportExport.ImportCsvRequest.DupeResolution;
+    export let dupeResolution: ImportExport.CsvMetadata.DupeResolution;
 
     const dupeResolutions = [
         {
-            value: ImportExport.ImportCsvRequest.DupeResolution.UPDATE,
+            value: ImportExport.CsvMetadata.DupeResolution.UPDATE,
             label: tr.importingUpdate(),
         },
         {
-            value: ImportExport.ImportCsvRequest.DupeResolution.ADD,
+            value: ImportExport.CsvMetadata.DupeResolution.ADD,
             label: tr.importingDuplicate(),
         },
         {
-            value: ImportExport.ImportCsvRequest.DupeResolution.IGNORE,
+            value: ImportExport.CsvMetadata.DupeResolution.IGNORE,
             label: tr.importingPreserve(),
         },
     ];
diff --git a/ts/import-csv/ImportCsvPage.svelte b/ts/import-csv/ImportCsvPage.svelte
index 3f7f445d1..5d5feb2e9 100644
--- a/ts/import-csv/ImportCsvPage.svelte
+++ b/ts/import-csv/ImportCsvPage.svelte
@@ -30,7 +30,7 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
     export let path: string;
     export let notetypeNameIds: Notetypes.NotetypeNameId[];
     export let deckNameIds: Decks.DeckNameId[];
-    export let dupeResolution: ImportExport.ImportCsvRequest.DupeResolution;
+    export let dupeResolution: ImportExport.CsvMetadata.DupeResolution;
 
     export let delimiter: ImportExport.CsvMetadata.Delimiter;
     export let forceDelimiter: boolean;
@@ -75,8 +75,8 @@ License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
         await importExport.importCsv(
             ImportExport.ImportCsvRequest.create({
                 path,
-                dupeResolution,
                 metadata: ImportExport.CsvMetadata.create({
+                    dupeResolution,
                     delimiter,
                     forceDelimiter,
                     isHtml,