diff --git a/tests/ui/abi/fixed_x18.aarch64.stderr b/tests/ui/abi/fixed_x18.aarch64.stderr
deleted file mode 100644
index 6dc367f9edc..00000000000
--- a/tests/ui/abi/fixed_x18.aarch64.stderr
+++ /dev/null
@@ -1,2 +0,0 @@
-error: the `-Zfixed-x18` flag is not supported on the `x86_64` architecture
-