diff --git a/library/std/src/sys/pal/unsupported/process.rs b/library/std/src/sys/pal/unsupported/process.rs
index 818a92488ac..2445d9073db 100644
--- a/library/std/src/sys/pal/unsupported/process.rs
+++ b/library/std/src/sys/pal/unsupported/process.rs
@@ -40,6 +40,7 @@ pub enum Stdio {
     MakePipe,
     ParentStdout,
     ParentStderr,
+    #[allow(dead_code)] // This variant exists only for the Debug impl
     InheritFile(File),
 }