1 files changed, 0 insertions, 15 deletions
diff --git a/src/test/ui/typeck/assign-non-lval-derefmut.rs b/src/test/ui/typeck/assign-non-lval-derefmut.rs
deleted file mode 100644
index ec1882f52..000000000
--- a/src/test/ui/typeck/assign-non-lval-derefmut.rs
+++ /dev/null
@@ -1,15 +0,0 @@
-// run-rustfix
-
-fn main() {
-    let x = std::sync::Mutex::new(1usize);
-    x.lock().unwrap() = 2;
-    //~^ ERROR invalid left-hand side of assignment
-    x.lock().unwrap() += 1;
-    //~^ ERROR binary assignment operation `+=` cannot be applied to type `MutexGuard<'_, usize>`
-
-    let mut y = x.lock().unwrap();
-    y = 2;
-    //~^ ERROR mismatched types
-    y += 1;
-    //~^ ERROR binary assignment operation `+=` cannot be applied to type `MutexGuard<'_, usize>`
-}