diff --git a/src/Exception.hpp b/src/Exception.hpp
index 983d09e..9a5bb0c 100644
--- a/src/Exception.hpp
+++ b/src/Exception.hpp
@@ -65,6 +65,7 @@ namespace ArbUt {
 #endif
         }
 
+#if !WINDOWS
     private:
         static void AppendNoSourceStack(std::stringstream& ss, const backward::ResolvedTrace& trace,
                                         bool include_addr) {
@@ -101,6 +102,7 @@ namespace ArbUt {
             ss << fileName << "[" << trace.source.line << "] " << function << std::endl;
         }
     };
+#endif
 }
 
 #endif // ARBUTILS_EXCEPTION_HPP