diff --git a/src/kml/engine/kml_file.cc b/src/kml/engine/kml_file.cc
index d09141be..022f2e3c 100644
--- a/src/kml/engine/kml_file.cc
+++ b/src/kml/engine/kml_file.cc
@@ -38,9 +38,15 @@ using kmlbase::XmlnsId;
 
 namespace kmlengine {
 
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunused-variable"
+
 static const char kDefaultXmlns[] = "http://www.opengis.net/kml/2.2";
+#pragma clang diagnostic pop
+
 static const char kDefaultEncoding[] = "utf-8";
 
+
 // static
 KmlFile* KmlFile::CreateFromParse(const string& kml_or_kmz_data,
                                   string* errors) {