diff --git a/arc.mm b/arc.mm
index 459a3fb8..10d4acb6 100644
--- a/arc.mm
+++ b/arc.mm
@@ -786,13 +786,12 @@ static inline id autorelease(id obj)
 	release(obj);
 }
 
-extern "C" OBJC_PUBLIC id objc_storeStrong(id *addr, id value)
+extern "C" OBJC_PUBLIC void objc_storeStrong(id *addr, id value)
 {
 	value = objc_retain(value);
 	id oldValue = *addr;
 	*addr = value;
 	objc_release(oldValue);
-	return value;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
diff --git a/objc/objc-arc.h b/objc/objc-arc.h
index 03b10be2..b9fadac7 100644
--- a/objc/objc-arc.h
+++ b/objc/objc-arc.h
@@ -67,7 +67,7 @@ OBJC_PUBLIC id objc_retainBlock(id b);
  * Stores value in addr.  This first retains value, then releases the old value
  * at addr, and stores the retained value in the address.
  */
-OBJC_PUBLIC id objc_storeStrong(id *addr, id value);
+OBJC_PUBLIC void objc_storeStrong(id *addr, id value);
 /**
  * Stores obj in zeroing weak pointer addr.  If obj has begun deallocation,
  * then this stores nil.