diff --git a/main.go b/main.go
index 97f9fa1..fb7e44e 100644
--- a/main.go
+++ b/main.go
@@ -94,9 +94,6 @@ var logFormats = map[string]log.Formatter{
 	"json": &log.JSONFormatter{},
 }
 
-var (
-)
-
 var (
 	ovpnServerCertExpire = prometheus.NewGauge(prometheus.GaugeOpts{
 		Name: "ovpn_server_cert_expire",