fix clippy test

vn-ki · vn-ki · commit 4e14c0597650 · 2020-12-05T20:21:21.000+05:30
diff --git a/tests/ui/crashes/used_underscore_binding_macro.rs b/tests/ui/crashes/used_underscore_binding_macro.rs
@@ -1,7 +1,6 @@
-#![allow(clippy::useless_attribute)] //issue #2910
+// edition:2018
 
-#[macro_use]
-extern crate serde_derive;
+use serde::Deserialize;
 
 /// Tests that we do not lint for unused underscores in a `MacroAttribute`
 /// expansion
