diff --git a/STL_Extension/include/CGAL/assertions.h b/STL_Extension/include/CGAL/assertions.h
index f98b2a14b91..1c07b766a0f 100644
--- a/STL_Extension/include/CGAL/assertions.h
+++ b/STL_Extension/include/CGAL/assertions.h
@@ -52,11 +52,9 @@
 #  define CGAL_NO_WARNINGS
 #endif
 
-#ifndef CGAL_NO_ASSERTIONS 
 #ifdef CGAL_CFG_NO_CPP0X_STATIC_ASSERT
 #include <boost/static_assert.hpp>
 #endif
-#endif
 
 namespace CGAL {