diff --git a/cpp/BitBuffer.cpp b/cpp/BitBuffer.cpp
index e9cde17..8f94eb4 100644
--- a/cpp/BitBuffer.cpp
+++ b/cpp/BitBuffer.cpp
@@ -22,7 +22,6 @@
  */
 
 #include <climits>
-#include <cstddef>
 #include "BitBuffer.hpp"