diff --git a/lib/std/Io/Dir.zig b/lib/std/Io/Dir.zig
index 49e6c8e9ef..95388eac78 100644
--- a/lib/std/Io/Dir.zig
+++ b/lib/std/Io/Dir.zig
@@ -2038,3 +2038,8 @@ pub fn setTimestampsNow(
         .modify_timestamp = .now,
     });
 }
+
+test {
+    _ = &setFileOwner;
+    _ = &setTimestampsNow;
+}