diff --git a/luna/CMakeLists.txt b/luna/CMakeLists.txt
index b3eba9a3..652c341c 100644
--- a/luna/CMakeLists.txt
+++ b/luna/CMakeLists.txt
@@ -17,7 +17,6 @@ set(FREESTANDING_SOURCES
     src/DebugLog.cpp
     src/Heap.cpp
     src/Spinlock.cpp
-    src/UBSAN.cpp
 )
 
 set(SOURCES