diff --git a/crates/ailang-surface/src/parse.rs b/crates/ailang-surface/src/parse.rs
index 31e82b6..b9bf14e 100644
--- a/crates/ailang-surface/src/parse.rs
+++ b/crates/ailang-surface/src/parse.rs
@@ -2012,10 +2012,6 @@ mod tests {
 
     #[test]
     fn parses_minimal_class_def() {
-        // NOTE: plan fixture used `(effects)` (empty) but the existing
-        // `parse_effects_clause` rejects empty effect lists. The clause
-        // is optional in fn-type, so we omit it here; behaviour under
-        // test (class shape + method count) is unaffected.
         let src = r#"(module M
   (class Foo
     (param a)
@@ -2040,9 +2036,6 @@ mod tests {
 
     #[test]
     fn parses_class_def_with_superclass_and_default() {
-        // See note on `parses_minimal_class_def` re empty `(effects)`.
-        // Plan also wrote `(lit (int 0))` for the default body but the
-        // surface form for int literals is the bare token; using `0`.
         let src = r#"(module M
   (class Bar
     (param a)