diff --git a/AsyncDisplayKit/Private/ASDispatch.h b/AsyncDisplayKit/Private/ASDispatch.h
index 78d7f906..17515ff7 100644
--- a/AsyncDisplayKit/Private/ASDispatch.h
+++ b/AsyncDisplayKit/Private/ASDispatch.h
@@ -14,7 +14,7 @@
  * Note: The actual number of threads may be lower than threadCount, if libdispatch
  * decides the system can't handle it. In reality this rarely happens.
  */
-static void ASDispatchApply(size_t iterationCount, dispatch_queue_t queue, NSUInteger threadCount, void(^work)(size_t i)) {
+__unused static void ASDispatchApply(size_t iterationCount, dispatch_queue_t queue, NSUInteger threadCount, void(^work)(size_t i)) {
   if (threadCount == 0) {
     threadCount = [NSProcessInfo processInfo].activeProcessorCount * 2;
   }