diff --git a/Number_types/include/CGAL/test_FPU_rounding_mode_impl.h b/Number_types/include/CGAL/test_FPU_rounding_mode_impl.h
index 0107cc32b1a..60efe1be2c6 100644
--- a/Number_types/include/CGAL/test_FPU_rounding_mode_impl.h
+++ b/Number_types/include/CGAL/test_FPU_rounding_mode_impl.h
@@ -51,11 +51,13 @@ get_static_check_fpu_rounding_mode_is_restored()
   return check_fpu_rounding_mode_is_restored;
 }
 
+#ifndef CGAL_DISABLE_ROUNDING_MATH_CHECK
 namespace {
   CGAL_UNUSED const Check_FPU_rounding_mode_is_restored &
     check_fpu_rounding_mode_is_restored
     = get_static_check_fpu_rounding_mode_is_restored();
 }
+#endif
 
 #else
 
diff --git a/Number_types/test/Number_types/Interval_nt_new.cpp b/Number_types/test/Number_types/Interval_nt_new.cpp
index 0b4e7b06495..8bb553a4076 100644
--- a/Number_types/test/Number_types/Interval_nt_new.cpp
+++ b/Number_types/test/Number_types/Interval_nt_new.cpp
@@ -1,3 +1,4 @@
+#define CGAL_DISABLE_ROUNDING_MATH_CHECK 1
 #include <iostream>
 #include <CGAL/config.h>
 #include <CGAL/Interval_nt.h>