diff --git a/src/libstd/sys/unix/ext/process.rs b/src/libstd/sys/unix/ext/process.rs
index fa8670b4aecac..048ce24d6ba88 100644
--- a/src/libstd/sys/unix/ext/process.rs
+++ b/src/libstd/sys/unix/ext/process.rs
@@ -111,7 +111,7 @@ pub trait CommandExt {
     ///
     /// Set the first process argument, `argv[0]`, to something other than the
     /// default executable path.
-    #[unstable(feature = "process_set_argv0", issue = "66510")]
+    #[stable(feature = "process_set_argv0", since = "1.45.0")]
     fn arg0<S>(&mut self, arg: S) -> &mut process::Command
     where
         S: AsRef<OsStr>;
diff --git a/src/libstd/sys/vxworks/ext/process.rs b/src/libstd/sys/vxworks/ext/process.rs
index 31e691dd1360b..c3710f4b9124d 100644
--- a/src/libstd/sys/vxworks/ext/process.rs
+++ b/src/libstd/sys/vxworks/ext/process.rs
@@ -111,7 +111,7 @@ pub trait CommandExt {
     ///
     /// Set the first process argument, `argv[0]`, to something other than the
     /// default executable path.
-    #[unstable(feature = "process_set_argv0", issue = "66510")]
+    #[stable(feature = "process_set_argv0", since = "1.45.0")]
     fn arg0<S>(&mut self, arg: S) -> &mut process::Command
     where
         S: AsRef<OsStr>;
diff --git a/src/test/ui/command/command-argv0-debug.rs b/src/test/ui/command/command-argv0-debug.rs
index 133d2ada2b263..cb948a91c1054 100644
--- a/src/test/ui/command/command-argv0-debug.rs
+++ b/src/test/ui/command/command-argv0-debug.rs
@@ -4,8 +4,6 @@
 // ignore-cloudabi no processes
 // ignore-emscripten no processes
 // ignore-sgx no processes
-#![feature(process_set_argv0)]
-
 use std::os::unix::process::CommandExt;
 use std::process::Command;
 
diff --git a/src/test/ui/command/command-argv0.rs b/src/test/ui/command/command-argv0.rs
index 56a9fb4d39125..e3394e0567cb8 100644
--- a/src/test/ui/command/command-argv0.rs
+++ b/src/test/ui/command/command-argv0.rs
@@ -4,8 +4,6 @@
 // ignore-cloudabi no processes
 // ignore-emscripten no processes
 // ignore-sgx no processes
-#![feature(process_set_argv0)]
-
 use std::env;
 use std::os::unix::process::CommandExt;
 use std::process::Command;