diff --git a/rust-version b/rust-version
index 6b432dde3b..3679f56c0c 100644
--- a/rust-version
+++ b/rust-version
@@ -1 +1 @@
-760e567af5398a0d8c512f904e551e1f38e00d79
+69fa40cb48384fad7930dce2d9a20d18fe4d1b51
diff --git a/tests/fail/intrinsics/unchecked_add1.rs b/tests/fail/intrinsics/unchecked_add1.rs
index 13265d0fb0..3f8b4e5515 100644
--- a/tests/fail/intrinsics/unchecked_add1.rs
+++ b/tests/fail/intrinsics/unchecked_add1.rs
@@ -1,5 +1,3 @@
-#![feature(unchecked_math)]
-
 fn main() {
     // MAX overflow
     let _val = unsafe { 40000u16.unchecked_add(30000) }; //~ ERROR: overflow executing `unchecked_add`
diff --git a/tests/fail/intrinsics/unchecked_add2.rs b/tests/fail/intrinsics/unchecked_add2.rs
index 229f50321d..3283dbf8e7 100644
--- a/tests/fail/intrinsics/unchecked_add2.rs
+++ b/tests/fail/intrinsics/unchecked_add2.rs
@@ -1,5 +1,3 @@
-#![feature(unchecked_math)]
-
 fn main() {
     // MIN overflow
     let _val = unsafe { (-30000i16).unchecked_add(-8000) }; //~ ERROR: overflow executing `unchecked_add`
diff --git a/tests/fail/intrinsics/unchecked_mul1.rs b/tests/fail/intrinsics/unchecked_mul1.rs
index 810d3418dc..2feed7759e 100644
--- a/tests/fail/intrinsics/unchecked_mul1.rs
+++ b/tests/fail/intrinsics/unchecked_mul1.rs
@@ -1,4 +1,3 @@
-#![feature(unchecked_math)]
 fn main() {
     // MAX overflow
     let _val = unsafe { 300u16.unchecked_mul(250u16) }; //~ ERROR: overflow executing `unchecked_mul`
diff --git a/tests/fail/intrinsics/unchecked_mul2.rs b/tests/fail/intrinsics/unchecked_mul2.rs
index 421019542a..42cd509404 100644
--- a/tests/fail/intrinsics/unchecked_mul2.rs
+++ b/tests/fail/intrinsics/unchecked_mul2.rs
@@ -1,4 +1,3 @@
-#![feature(unchecked_math)]
 fn main() {
     // MIN overflow
     let _val = unsafe { 1_000_000_000i32.unchecked_mul(-4) }; //~ ERROR: overflow executing `unchecked_mul`
diff --git a/tests/fail/intrinsics/unchecked_sub1.rs b/tests/fail/intrinsics/unchecked_sub1.rs
index c6e0066674..e5178bf4ef 100644
--- a/tests/fail/intrinsics/unchecked_sub1.rs
+++ b/tests/fail/intrinsics/unchecked_sub1.rs
@@ -1,4 +1,3 @@
-#![feature(unchecked_math)]
 fn main() {
     // MIN overflow
     let _val = unsafe { 14u32.unchecked_sub(22) }; //~ ERROR: overflow executing `unchecked_sub`
diff --git a/tests/fail/intrinsics/unchecked_sub2.rs b/tests/fail/intrinsics/unchecked_sub2.rs
index 65aa292e21..ac9fd1e5d0 100644
--- a/tests/fail/intrinsics/unchecked_sub2.rs
+++ b/tests/fail/intrinsics/unchecked_sub2.rs
@@ -1,4 +1,3 @@
-#![feature(unchecked_math)]
 fn main() {
     // MAX overflow
     let _val = unsafe { 30000i16.unchecked_sub(-7000) }; //~ ERROR: overflow executing `unchecked_sub`