diff --git a/src/webui/abstractwebapplication.cpp b/src/webui/abstractwebapplication.cpp
index cb496005d..0e318da5c 100644
--- a/src/webui/abstractwebapplication.cpp
+++ b/src/webui/abstractwebapplication.cpp
@@ -396,18 +396,11 @@ QString AbstractWebApplication::saveTmpFile(const QByteArray &data)
     return QString();
 }
 
-QStringMap AbstractWebApplication::initializeContentTypeByExtMap()
-{
-    QStringMap map;
-
-    map["htm"] = Http::CONTENT_TYPE_HTML;
-    map["html"] = Http::CONTENT_TYPE_HTML;
-    map["css"] = Http::CONTENT_TYPE_CSS;
-    map["gif"] = Http::CONTENT_TYPE_GIF;
-    map["png"] = Http::CONTENT_TYPE_PNG;
-    map["js"] = Http::CONTENT_TYPE_JS;
-
-    return map;
-}
-
-const QStringMap AbstractWebApplication::CONTENT_TYPE_BY_EXT = AbstractWebApplication::initializeContentTypeByExtMap();
+const QStringMap AbstractWebApplication::CONTENT_TYPE_BY_EXT = {
+    { "htm", Http::CONTENT_TYPE_HTML },
+    { "html", Http::CONTENT_TYPE_HTML },
+    { "css", Http::CONTENT_TYPE_CSS },
+    { "gif", Http::CONTENT_TYPE_GIF },
+    { "png", Http::CONTENT_TYPE_PNG },
+    { "js", Http::CONTENT_TYPE_JS }
+};
diff --git a/src/webui/abstractwebapplication.h b/src/webui/abstractwebapplication.h
index e0e1ed279..8d1227fc9 100644
--- a/src/webui/abstractwebapplication.h
+++ b/src/webui/abstractwebapplication.h
@@ -103,7 +103,6 @@ private:
     static void translateDocument(QString &data);
 
     static const QStringMap CONTENT_TYPE_BY_EXT;
-    static QStringMap initializeContentTypeByExtMap();
 };
 
 #endif // ABSTRACTWEBAPPLICATION_H