diff --git a/rust-version b/rust-version
index 159f752cc0d..e14dd73c70f 100644
--- a/rust-version
+++ b/rust-version
@@ -1 +1 @@
-7750c3d46bc19784adb1ee6e37a5ec7e4cd7e772
+9491f18c5de3ff1c4bf9c3fdacf52d9859e26f7c
diff --git a/tests/run-pass/float.rs b/tests/run-pass/float.rs
index 3347b0a07c2..0b89f11b060 100644
--- a/tests/run-pass/float.rs
+++ b/tests/run-pass/float.rs
@@ -1,4 +1,4 @@
-#![feature(track_caller, stmt_expr_attributes)]
+#![feature(stmt_expr_attributes)]
 use std::fmt::Debug;
 
 // Helper function to avoid promotion so that this tests "run-time" casts, not CTFE.
diff --git a/tests/run-pass/track-caller-attribute.rs b/tests/run-pass/track-caller-attribute.rs
index f6797c24ebe..be655703daa 100644
--- a/tests/run-pass/track-caller-attribute.rs
+++ b/tests/run-pass/track-caller-attribute.rs
@@ -1,4 +1,4 @@
-#![feature(track_caller, core_intrinsics)]
+#![feature(core_intrinsics)]
 
 use std::panic::Location;