diff --git a/src/unix/linux_like/android/mod.rs b/src/unix/linux_like/android/mod.rs
index 40fbb607a99a0..48195a6aa3f35 100644
--- a/src/unix/linux_like/android/mod.rs
+++ b/src/unix/linux_like/android/mod.rs
@@ -1559,6 +1559,7 @@ pub const RLIMIT_MSGQUEUE: ::c_int = 12;
 pub const RLIMIT_NICE: ::c_int = 13;
 pub const RLIMIT_RTPRIO: ::c_int = 14;
 
+#[deprecated(since = "0.2.64", note = "Not stable across OS versions")]
 pub const RLIM_NLIMITS: ::c_int = 16;
 pub const RLIM_INFINITY: ::rlim_t = !0;
 
diff --git a/src/unix/linux_like/linux/arch/generic/mod.rs b/src/unix/linux_like/linux/arch/generic/mod.rs
index 19d5e7b3938c1..3ba2723929e4e 100644
--- a/src/unix/linux_like/linux/arch/generic/mod.rs
+++ b/src/unix/linux_like/linux/arch/generic/mod.rs
@@ -257,6 +257,7 @@ cfg_if! {
         pub const RLIMIT_NICE: ::__rlimit_resource_t = 13;
         pub const RLIMIT_RTPRIO: ::__rlimit_resource_t = 14;
         pub const RLIMIT_RTTIME: ::__rlimit_resource_t = 15;
+        #[allow(deprecated)]
         pub const RLIMIT_NLIMITS: ::__rlimit_resource_t = RLIM_NLIMITS;
 
     } else if #[cfg(any(target_env = "musl", target_env = "ohos"))] {
@@ -277,16 +278,20 @@ cfg_if! {
         pub const RLIMIT_NICE: ::c_int = 13;
         pub const RLIMIT_RTPRIO: ::c_int = 14;
         pub const RLIMIT_RTTIME: ::c_int = 15;
+        #[deprecated(since = "0.2.64", note = "Not stable across OS versions")]
         pub const RLIM_NLIMITS: ::c_int = 15;
+        #[allow(deprecated)]
         pub const RLIMIT_NLIMITS: ::c_int = RLIM_NLIMITS;
     }
 }
 
 cfg_if! {
     if #[cfg(target_env = "gnu")] {
+        #[deprecated(since = "0.2.64", note = "Not stable across OS versions")]
         pub const RLIM_NLIMITS: ::__rlimit_resource_t = 16;
     }
     else if #[cfg(target_env = "uclibc")] {
+        #[deprecated(since = "0.2.64", note = "Not stable across OS versions")]
         pub const RLIM_NLIMITS: ::__rlimit_resource_t = 15;
     }
 }