diff --git a/kernels/OGR.hpp b/kernels/OGR.hpp
index 37566c1366..7feb1ee1fa 100644
--- a/kernels/OGR.hpp
+++ b/kernels/OGR.hpp
@@ -35,7 +35,6 @@
 
 #include "../filters/private/hexer/hexer.hpp"
 #include "../filters/private/hexer/Processor.hpp"
-#include "../filters/private/hexer/hexer_defines.h"
 #include "../filters/private/hexer/Mathpair.hpp"
 #include "../filters/private/hexer/HexInfo.hpp"
 #include "../filters/private/hexer/export.hpp"