--- include/casm/external/qhull/libqhull_r/qhull_ra.h.orig	2017-10-26 09:49:53.402184348 +0200
+++ include/casm/external/qhull/libqhull_r/qhull_ra.h	2017-10-26 09:50:17.840296587 +0200
@@ -102,14 +102,7 @@
 #elif defined(__MWERKS__) && defined(__INTEL__)
 #   define QHULL_OS_WIN
 #endif
-#if defined(__cplusplus) && defined(__INTEL_COMPILER) && !defined(QHULL_OS_WIN)
-template <typename T>
-inline void qhullUnused(typename T &x) { (void)x; }
-#  define QHULL_UNUSED(x) qhullUnused(x);
-#else
 #  define QHULL_UNUSED(x) (void)x;
-#endif
-
 /***** -libqhull_r.c prototypes (alphabetical after qhull) ********************/
 
 void    qh_qhull(qhT *qh);