diff --git a/internal/repository/index.go b/internal/repository/index.go
index 139b5a173..92f0da0e9 100644
--- a/internal/repository/index.go
+++ b/internal/repository/index.go
@@ -176,24 +176,6 @@ func (idx *Index) Lookup(bh restic.BlobHandle, pbs []restic.PackedBlob) []restic
 	return pbs
 }
 
-// ListPack returns a list of blobs contained in a pack.
-func (idx *Index) ListPack(id restic.ID) (pbs []restic.PackedBlob) {
-	idx.m.Lock()
-	defer idx.m.Unlock()
-
-	for typ := range idx.byType {
-		m := &idx.byType[typ]
-		m.foreach(func(e *indexEntry) bool {
-			if idx.packs[e.packIndex] == id {
-				pbs = append(pbs, idx.toPackedBlob(e, restic.BlobType(typ)))
-			}
-			return true
-		})
-	}
-
-	return pbs
-}
-
 // Has returns true iff the id is listed in the index.
 func (idx *Index) Has(bh restic.BlobHandle) bool {
 	idx.m.Lock()
diff --git a/internal/repository/index_test.go b/internal/repository/index_test.go
index 138555100..dab52a6bc 100644
--- a/internal/repository/index_test.go
+++ b/internal/repository/index_test.go
@@ -2,6 +2,7 @@ package repository_test
 
 import (
 	"bytes"
+	"context"
 	"math/rand"
 	"sync"
 	"testing"
@@ -336,7 +337,7 @@ func TestIndexUnserialize(t *testing.T) {
 
 		rtest.Equals(t, oldIdx, idx.Supersedes())
 
-		blobs := idx.ListPack(exampleLookupTest.packID)
+		blobs := listPack(idx, exampleLookupTest.packID)
 		if len(blobs) != len(exampleLookupTest.blobs) {
 			t.Fatalf("expected %d blobs in pack, got %d", len(exampleLookupTest.blobs), len(blobs))
 		}
@@ -353,6 +354,15 @@ func TestIndexUnserialize(t *testing.T) {
 	}
 }
 
+func listPack(idx *repository.Index, id restic.ID) (pbs []restic.PackedBlob) {
+	for pb := range idx.Each(context.TODO()) {
+		if pb.PackID.Equal(id) {
+			pbs = append(pbs, pb)
+		}
+	}
+	return pbs
+}
+
 var (
 	benchmarkIndexJSON     []byte
 	benchmarkIndexJSONOnce sync.Once