diff --git a/Source/AutoreleasePool.m b/Source/AutoreleasePool.m
index 492053d7f..0ba30bc53 100644
--- a/Source/AutoreleasePool.m
+++ b/Source/AutoreleasePool.m
@@ -23,7 +23,6 @@
 
 #include <objects/stdobjects.h>
 #include <objects/AutoreleasePool.h>
-#include <objects/collhash.h>
 #include <objects/objc-malloc.h>
 #include <objects/ObjectRetaining.h>