diff --git a/formatter_json.go b/formatter_json.go
index 4a9915d..6416d48 100644
--- a/formatter_json.go
+++ b/formatter_json.go
@@ -65,7 +65,7 @@ func (formatter *FormatterJSON) Process(entry *Entry) {
 	}
 }
 
-func (formatter *FormatterJSON) End(entry *Entry) []byte {
+func (formatter *FormatterJSON) End(_ *Entry) []byte {
 	// build JSON
 	data, err := json.Marshal(formatter.data)
 	if err != nil {
diff --git a/formatter_keyvalue.go b/formatter_keyvalue.go
index e823143..e8da5d2 100644
--- a/formatter_keyvalue.go
+++ b/formatter_keyvalue.go
@@ -82,7 +82,7 @@ func (formatter *FormatterKeyValue) addKV(key string, value any) {
 	formatter.builder.WriteString(val)
 }
 
-func (formatter *FormatterKeyValue) End(entry *Entry) []byte {
+func (formatter *FormatterKeyValue) End(_ *Entry) []byte {
 	// send data
 	return []byte(formatter.builder.String())
 }