diff --git a/src/utils/tstring.hpp b/src/utils/tstring.hpp
index f0bc679..e4529d8 100644
--- a/src/utils/tstring.hpp
+++ b/src/utils/tstring.hpp
@@ -24,11 +24,11 @@
     }
 };
 
-struct SensorMetadata
+struct Metadata
 {
     static std::string str()
     {
-        return "sensorMetadata";
+        return "metadata";
     }
 };
 
@@ -40,14 +40,6 @@
     }
 };
 
-struct MetricMetadata
-{
-    static std::string str()
-    {
-        return "metricMetadata";
-    }
-};
-
 struct Service
 {
     static std::string str()