diff --git a/tz.cpp b/tz.cpp
index 32cc53b..bfffe10 100644
--- a/tz.cpp
+++ b/tz.cpp
@@ -479,8 +479,6 @@ load_timezone_mappings_from_xml_file(const std::string& input_path)
     // Quick but not overly forgiving XML mapping file processing.
     bool mapTimezonesOpenTagFound = false;
     bool mapTimezonesCloseTagFound = false;
-    bool mapZoneOpenTagFound = false;
-    bool mapTZoneCloseTagFound = false;
     std::size_t mapZonePos = std::string::npos;
     std::size_t mapTimezonesPos = std::string::npos;
     CONSTDATA char mapTimeZonesOpeningTag[] = { "<mapTimezones " };