diff --git a/main.go b/main.go
index bbd7fc7..1d8c850 100644
--- a/main.go
+++ b/main.go
@@ -73,11 +73,9 @@ type Payload struct {
 }
 
 var db *sql.DB
-var logger *slog.Logger
+var logger = slog.New(slog.NewJSONHandler(os.Stdout, nil))
 
 func main() {
-	// Setup slog
-	logger := slog.New(slog.NewJSONHandler(os.Stdout, nil))
 	slog.SetDefault(logger)
 
 	// Load environment variables from .env file if it exists
@@ -156,12 +154,6 @@ func mqttMessageHandler(client mqtt.Client, msg mqtt.Message) {
 		return
 	}
 
-	// payload.Dt1 = updateFieldIfChanged(payload.Dt1, &prevDt1)
-	// payload.Dt2 = updateFieldIfChanged(payload.Dt2, &prevDt2)
-	// payload.Rt1 = updateFieldIfChanged(payload.Rt1, &prevRt1)
-	// payload.Rt2 = updateFieldIfChanged(payload.Rt2, &prevRt2)
-	// payload.G = updateFieldIfChanged(payload.G, &prevG)
-
 	var changed bool // Flag to track if any value changed
 
 	// Update each field, directly updating `changed` if any change is detected