diff --git a/include/boost/math/policies/error_handling.hpp b/include/boost/math/policies/error_handling.hpp
index 83686e3e9..d7ba69456 100644
--- a/include/boost/math/policies/error_handling.hpp
+++ b/include/boost/math/policies/error_handling.hpp
@@ -63,6 +63,11 @@ public:
    explicit rounding_error(const std::string& s) : std::runtime_error(s){}
 };
 
+#else
+
+class evaluation_error {};
+class rounding_error {};
+
 #endif
 
 namespace policies{