diff --git a/src/test/mir-opt/lower_128bit_debug_test.rs b/src/test/mir-opt/lower_128bit_debug_test.rs
index 5a0805ce1b7..ccc6e75a1b4 100644
--- a/src/test/mir-opt/lower_128bit_debug_test.rs
+++ b/src/test/mir-opt/lower_128bit_debug_test.rs
@@ -11,7 +11,6 @@
 // compile-flags: -Z lower_128bit_ops -C debug_assertions=yes
 
 #![feature(i128_type)]
-#![feature(lang_items)]
 
 fn test_signed(mut x: i128) -> i128 {
     x += 1;
diff --git a/src/test/mir-opt/lower_128bit_test.rs b/src/test/mir-opt/lower_128bit_test.rs
index f63926500b6..dc6beb436db 100644
--- a/src/test/mir-opt/lower_128bit_test.rs
+++ b/src/test/mir-opt/lower_128bit_test.rs
@@ -11,7 +11,6 @@
 // compile-flags: -Z lower_128bit_ops -C debug_assertions=no
 
 #![feature(i128_type)]
-#![feature(lang_items)]
 
 fn test_signed(mut x: i128) -> i128 {
     x += 1;