diff --git a/src/handler/mhz19_co2.py b/src/handler/mhz19_co2.py
index 4c3acdb..4ac99d7 100644
--- a/src/handler/mhz19_co2.py
+++ b/src/handler/mhz19_co2.py
@@ -13,11 +13,4 @@ class Mhz19Co2:
         return self.last_read
 
     def read(self) -> int | None:
-        data = mh_z19.read()
-        logging.debug(data["co2"])
-
-        if not data:
-            return None
-
-        self.last_read = data["co2"]
-        return self.last_read
+        return mh_z19.read()["co2"]