diff --git a/Source/bmalloc/CMakeLists.txt b/Source/bmalloc/CMakeLists.txt
index 5ec7d67b7ba22..5efacefd8d0ba 100644
--- a/Source/bmalloc/CMakeLists.txt
+++ b/Source/bmalloc/CMakeLists.txt
@@ -298,7 +298,6 @@ set(bmalloc_PUBLIC_HEADERS
     bmalloc/Zone.h
     bmalloc/bmalloc.h
     bmalloc/valgrind.h
-    bmalloc/BunExtras.h
 
     libpas/src/libpas/bmalloc_heap_config.h
     libpas/src/libpas/bmalloc_heap.h