diff --git a/testsuite/tests/th/T4135.stderr b/testsuite/tests/th/T4135.stderr
new file mode 100644
index 0000000000000000000000000000000000000000..30df0def66e998193f0157fbb02ea356999c7131
--- /dev/null
+++ b/testsuite/tests/th/T4135.stderr
@@ -0,0 +1,2 @@
+instance Bug.C (Data.Maybe.Maybe a_0)
+    where type Bug.T (Data.Maybe.Maybe a_0) = GHC.Types.Char
diff --git a/testsuite/tests/th/T4135.stdout b/testsuite/tests/th/T4135.stdout
deleted file mode 100644
index 0519ecba6ea913e21689ec692e81e9e4973fbf73..0000000000000000000000000000000000000000
--- a/testsuite/tests/th/T4135.stdout
+++ /dev/null
@@ -1 +0,0 @@
- 
\ No newline at end of file