diff --git a/library/std/src/sys/wasi/thread.rs b/library/std/src/sys/wasi/thread.rs
index 99717613f57cf..a0eefa8811a39 100644
--- a/library/std/src/sys/wasi/thread.rs
+++ b/library/std/src/sys/wasi/thread.rs
@@ -54,6 +54,13 @@ cfg_if::cfg_if! {
         pub struct Thread {
             id: libc::pthread_t,
         }
+
+        impl Drop for Thread {
+            fn drop(&mut self) {
+                let ret = unsafe { libc::pthread_detach(self.id) };
+                debug_assert_eq!(ret, 0);
+            }
+        }
     } else {
         pub struct Thread(!);
     }
@@ -179,17 +186,6 @@ impl Thread {
     }
 }
 
-cfg_if::cfg_if! {
-    if #[cfg(target_feature = "atomics")] {
-        impl Drop for Thread {
-            fn drop(&mut self) {
-                let ret = unsafe { libc::pthread_detach(self.id) };
-                debug_assert_eq!(ret, 0);
-            }
-        }
-    }
-}
-
 pub fn available_parallelism() -> io::Result<NonZeroUsize> {
     unsupported()
 }