1 files changed, 0 insertions, 34 deletions
diff --git a/src/test/ui/box/thin_zst.rs b/src/test/ui/box/thin_zst.rs
deleted file mode 100644
index 77c400d17..000000000
--- a/src/test/ui/box/thin_zst.rs
+++ /dev/null
@@ -1,34 +0,0 @@
-#![feature(thin_box)]
-// run-pass
-use std::boxed::ThinBox;
-use std::error::Error;
-use std::{fmt, mem};
-use std::ops::DerefMut;
-
-const EXPECTED: &str = "boooo!";
-
-fn main() {
-    let thin_error: ThinBox<dyn Error> = ThinBox::new_unsize(Foo);
-    assert_eq!(mem::size_of::<*const i32>(), mem::size_of_val(&thin_error));
-    let msg = thin_error.to_string();
-    assert_eq!(EXPECTED, msg);
-
-    let mut thin_concrete_error: ThinBox<Foo> = ThinBox::new(Foo);
-    assert_eq!(mem::size_of::<*const i32>(), mem::size_of_val(&thin_concrete_error));
-    let msg = thin_concrete_error.to_string();
-    assert_eq!(EXPECTED, msg);
-    let inner = thin_concrete_error.deref_mut();
-    let msg = inner.to_string();
-    assert_eq!(EXPECTED, msg);
-}
-
-#[derive(Debug)]
-struct Foo;
-
-impl fmt::Display for Foo {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        write!(f, "{}", EXPECTED)
-    }
-}
-
-impl Error for Foo {}