diff --git a/notification/notification.go b/notification/notification.go
index cf9d285ef..6bb7c2658 100644
--- a/notification/notification.go
+++ b/notification/notification.go
@@ -23,9 +23,9 @@ import (
 	"time"
 
 	"github.com/golang/glog"
+	"github.com/prometheus/client_golang/prometheus"
 
 	clientmodel "github.com/prometheus/client_golang/model"
-	"github.com/prometheus/client_golang/prometheus"
 
 	"github.com/prometheus/prometheus/utility"
 )
diff --git a/rules/ast/functions.go b/rules/ast/functions.go
index 562703f74..9568efe5c 100644
--- a/rules/ast/functions.go
+++ b/rules/ast/functions.go
@@ -275,7 +275,7 @@ func dropCommonLabelsImpl(timestamp clientmodel.Timestamp, args []Node) interfac
 	}
 
 	for _, el := range vector {
-		for k, _ := range el.Metric {
+		for k := range el.Metric {
 			if _, ok := common[k]; ok {
 				delete(el.Metric, k)
 			}