diff --git a/test/std_mismatch_test.cpp b/test/std_mismatch_test.cpp
index af24196..37a606b 100644
--- a/test/std_mismatch_test.cpp
+++ b/test/std_mismatch_test.cpp
@@ -12,13 +12,10 @@
 # define _CRT_SECURE_NO_WARNINGS
 
 #include <boost/config.hpp>
-#include <boost/config/pragma_message.hpp>
 #include <iostream>
 
 #if defined(BOOST_NO_CXX11_HDR_SYSTEM_ERROR)
 
-BOOST_PRAGMA_MESSAGE("Skipping test, BOOST_NO_CXX11_HDR_SYSTEM_ERROR is defined")
-
 int main()
 {
   std::cout
@@ -26,11 +23,6 @@ int main()
     " support header <system_error> so interoperation will not be tested.\n";
 }
 
-#elif defined(UBSAN)
-
-BOOST_PRAGMA_MESSAGE("Skipping test, UBSAN is defined")
-int main() {}
-
 #else
 
 #include <boost/system/error_code.hpp>