diff --git a/src/libstd/sys/unix/rand.rs b/src/libstd/sys/unix/rand.rs
index e923b9aa29b01..77f1439e17b10 100644
--- a/src/libstd/sys/unix/rand.rs
+++ b/src/libstd/sys/unix/rand.rs
@@ -13,7 +13,6 @@ pub fn hashmap_random_keys() -> (u64, u64) {
 
 #[cfg(all(unix,
           not(target_os = "ios"),
-          not(all(target_os = "macos", miri)),
           not(target_os = "openbsd"),
           not(target_os = "freebsd"),
           not(target_os = "fuchsia")))]
@@ -107,9 +106,7 @@ mod imp {
 // once per thread in `hashmap_random_keys`. Therefore `SecRandomCopyBytes` is
 // only used on iOS where direct access to `/dev/urandom` is blocked by the
 // sandbox.
-// HACK: However, we do use this when running in Miri on macOS; intercepting this is much
-// easier than intercepting accesses to /dev/urandom.
-#[cfg(any(target_os = "ios", all(target_os = "macos", miri)))]
+#[cfg(target_os = "ios")]
 mod imp {
     use crate::io;
     use crate::ptr;
diff --git a/src/tools/miri b/src/tools/miri
index 053aa694990a2..bc0c76d861a17 160000
--- a/src/tools/miri
+++ b/src/tools/miri
@@ -1 +1 @@
-Subproject commit 053aa694990a212ad8942dd72101ede23597c0e9
+Subproject commit bc0c76d861a178911f3f506196a7404eda1e690d