diff --git a/src/cdo_features.cc b/src/cdo_features.cc
index aaa1e9da89b3bd50f3ac97144ea0bb6c44131f3d..ba918d6a60603146d718cc5050d874239f4c50d1 100644
--- a/src/cdo_features.cc
+++ b/src/cdo_features.cc
@@ -45,13 +45,6 @@
 #include <proj.h>
 #endif
 
-#ifdef HAVE_LIBCMOR
-extern "C"
-{
-#include "cmor.h"
-}
-#endif
-
 #include <cstdio>
 #include <cstring>
 #include <iostream>