diff --git a/crates/editor/src/editor.rs b/crates/editor/src/editor.rs
index c01a365d7f..c82a3c9c98 100644
--- a/crates/editor/src/editor.rs
+++ b/crates/editor/src/editor.rs
@@ -3841,7 +3841,9 @@ mod tests {
     #[gpui::test]
     fn test_undo_redo_with_selection_restoration(cx: &mut MutableAppContext) {
         let mut now = Instant::now();
-        let buffer = MultiBuffer::build_simple("123456", cx);
+        let buffer = cx.add_model(|cx| language::Buffer::new(0, "123456", cx));
+        let group_interval = buffer.read(cx).transaction_group_interval();
+        let buffer = cx.add_model(|cx| MultiBuffer::singleton(buffer, cx));
         let settings = EditorSettings::test(cx);
         let (_, editor) = cx.add_window(Default::default(), |cx| {
             build_editor(buffer.clone(), settings, cx)
@@ -3862,7 +3864,7 @@ mod tests {
             assert_eq!(editor.text(cx), "12cde6");
             assert_eq!(editor.selected_ranges(cx), vec![5..5]);
 
-            now += buffer.read(cx).transaction_group_interval(cx) + Duration::from_millis(1);
+            now += group_interval + Duration::from_millis(1);
             editor.select_ranges([2..2], None, cx);
 
             // Simulate an edit in another editor
diff --git a/crates/editor/src/multi_buffer.rs b/crates/editor/src/multi_buffer.rs
index c0fc0b3496..655002f8b9 100644
--- a/crates/editor/src/multi_buffer.rs
+++ b/crates/editor/src/multi_buffer.rs
@@ -15,7 +15,7 @@ use std::{
     iter::{self, FromIterator, Peekable},
     ops::{Range, Sub},
     sync::Arc,
-    time::{Duration, Instant, SystemTime},
+    time::{Instant, SystemTime},
 };
 use sum_tree::{Bias, Cursor, SumTree};
 use text::{
@@ -136,13 +136,6 @@ impl MultiBuffer {
         self.replica_id
     }
 
-    pub fn transaction_group_interval(&self, cx: &AppContext) -> Duration {
-        self.as_singleton()
-            .unwrap()
-            .read(cx)
-            .transaction_group_interval()
-    }
-
     pub fn snapshot(&self, cx: &AppContext) -> MultiBufferSnapshot {
         self.sync(cx);
         self.snapshot.borrow().clone()