diff --git a/src/libstd/thread/local.rs b/src/libstd/thread/local.rs
index 7ff81bd9a173..a56a34deba22 100644
--- a/src/libstd/thread/local.rs
+++ b/src/libstd/thread/local.rs
@@ -311,6 +311,7 @@ pub unsafe fn initialize<F: FnOnce() -> T>(&self, init: F) -> &'static T {
             }
         }
 
+        #[allow(unused)]
         pub unsafe fn take(&mut self) -> Option<T> {
             (*self.inner.get()).take()
         }