diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1562e3e..934f15a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -127,7 +127,6 @@ target_sources(leveldb
     "${PROJECT_SOURCE_DIR}/db/version_set.h"
     "${PROJECT_SOURCE_DIR}/db/write_batch_internal.h"
     "${PROJECT_SOURCE_DIR}/db/write_batch.cc"
-    "${PROJECT_SOURCE_DIR}/port/atomic_pointer.h"
     "${PROJECT_SOURCE_DIR}/port/port_stdcxx.h"
     "${PROJECT_SOURCE_DIR}/port/port.h"
     "${PROJECT_SOURCE_DIR}/port/thread_annotations.h"