diff --git a/rslib/src/scheduler/queue/builder/mod.rs b/rslib/src/scheduler/queue/builder/mod.rs
index 064220bce..94ad02ba7 100644
--- a/rslib/src/scheduler/queue/builder/mod.rs
+++ b/rslib/src/scheduler/queue/builder/mod.rs
@@ -431,6 +431,8 @@ mod test {
     #[test]
     fn review_queue_building() -> Result<()> {
         let mut col = Collection::new();
+        // Disable FSRS for this legacy scheduler test
+        col.set_config_bool(BoolKey::Fsrs, false, false)?;
 
         let mut deck = col.get_or_create_normal_deck("Default").unwrap();
         let nt = col.get_notetype_by_name("Basic")?.unwrap();
diff --git a/rslib/src/scheduler/queue/undo.rs b/rslib/src/scheduler/queue/undo.rs
index 02046eebc..21e8fba6d 100644
--- a/rslib/src/scheduler/queue/undo.rs
+++ b/rslib/src/scheduler/queue/undo.rs
@@ -100,6 +100,8 @@ mod test {
     fn undo() -> Result<()> {
         // add a note
         let mut col = Collection::new();
+        // Disable FSRS for this legacy scheduler test
+        col.set_config_bool(BoolKey::Fsrs, false, false)?;
         let nid = add_note(&mut col, true)?;
 
         // turn burying and leech suspension on