diff --git a/src/test/ui/rfcs/rfc1717/auxiliary/clibrary.rs b/src/test/ui/rfcs/rfc1717/auxiliary/clibrary.rs
deleted file mode 100644
index c1c5b70bc04..00000000000
--- a/src/test/ui/rfcs/rfc1717/auxiliary/clibrary.rs
+++ /dev/null
@@ -1,5 +0,0 @@
-// no-prefer-dynamic
-#![crate_type = "staticlib"]
-
-#[no_mangle]
-pub extern "C" fn foo(x:i32) -> i32 { x }