diff --git a/tests/neg/i19334.scala b/tests/neg/i19334.scala
index cd6af1872241..0e366d135d58 100644
--- a/tests/neg/i19334.scala
+++ b/tests/neg/i19334.scala
@@ -2,5 +2,5 @@
 def foo[T](f: T): T = ???
 
 @main def main = foo:
-  def f() = ()
+  def f() = () // error !!! spurious error marker
   f(_) // error was OOM formatting TypeVar(TypeParamRef(T)) when offering explanations
diff --git a/tests/neg/i19470.check b/tests/neg/i19470.check
index 72f811f7ea3b..234993c5e3c1 100644
--- a/tests/neg/i19470.check
+++ b/tests/neg/i19470.check
@@ -4,4 +4,4 @@
   |         Found:    Inv[? >: IO <: box IO^{f}]
   |         Required: box Inv[box IO^?]^?
   |
-  | longer explanation available when compiling with `-explain`
+  | longer   explanation available when compiling with `-explain`