diff --git a/org/qmckl_ao.org b/org/qmckl_ao.org
index 594b96b..1a1fb3e 100644
--- a/org/qmckl_ao.org
+++ b/org/qmckl_ao.org
@@ -112,9 +112,6 @@ int main() {
 #include "qmckl_ao_private_type.h"
 #include "qmckl_ao_private_func.h"
 
-#ifdef HAVE_HPC
-#include <immintrin.h>
-#endif
   #+end_src
 
 * Context