diff --git a/Kernel/Memory/MemoryManager.h b/Kernel/Memory/MemoryManager.h
index 47ff6714986..a6365be3630 100644
--- a/Kernel/Memory/MemoryManager.h
+++ b/Kernel/Memory/MemoryManager.h
@@ -128,7 +128,6 @@ class MemoryManager {
     friend class PageDirectory;
     friend class AnonymousVMObject;
     friend class Region;
-    friend class RegionTree;
     friend class VMObject;
     friend struct ::KmallocGlobalData;