diff --git a/tests/run-pass-fullmir/unsized-tuple-impls.rs b/tests/run-pass-fullmir/unsized-tuple-impls.rs
index acaedebbf9b8..ccb6883e8733 100644
--- a/tests/run-pass-fullmir/unsized-tuple-impls.rs
+++ b/tests/run-pass-fullmir/unsized-tuple-impls.rs
@@ -8,8 +8,6 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-// compile-flags: -Zmir-emit-validate=0
-
 #![feature(unsized_tuple_coercion)]
 use std::mem;