diff --git a/tests/qapi-schema/alternate-clash.err b/tests/qapi-schema/alternate-clash.err
index f58b977f7b..0fe02f2c99 100644
--- a/tests/qapi-schema/alternate-clash.err
+++ b/tests/qapi-schema/alternate-clash.err
@@ -1,2 +1,2 @@
 alternate-clash.json: In alternate 'Alt1':
-alternate-clash.json:7: branch 'a_b' collides with branch 'a-b'
+alternate-clash.json:4: branch 'a_b' collides with branch 'a-b'
diff --git a/tests/qapi-schema/alternate-clash.json b/tests/qapi-schema/alternate-clash.json
index 9a59b88ced..039c4be658 100644
--- a/tests/qapi-schema/alternate-clash.json
+++ b/tests/qapi-schema/alternate-clash.json
@@ -1,8 +1,5 @@
 # Alternate branch name collision
 # Reject an alternate that would result in a collision in generated C
-# names (this would try to generate two enum values 'ALT1_KIND_A_B').
-# TODO: In the future, if alternates are simplified to not generate
-# the implicit Alt1Kind enum, we would still have a collision with the
-# resulting C union trying to have two members named 'a_b'.
+# names (this would try to generate two union members named 'a_b').
 { 'alternate': 'Alt1',
   'data': { 'a-b': 'bool', 'a_b': 'int' } }