diff --git a/README.md b/README.md
index f0f0d73..0d1cfab 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,6 @@
 # php2go
 
 [![GoDoc](https://godoc.org/github.com/syyongx/php2go?status.svg)](https://godoc.org/github.com/syyongx/php2go)
-[![Go Report Card](https://goreportcard.com/badge/github.com/syyongx/php2go)](https://goreportcard.com/report/github.com/syyongx/php2go)
 [![MIT licensed][3]][4]
 
 [3]: https://img.shields.io/badge/license-MIT-blue.svg
diff --git a/php.go b/php.go
index 35bd7e0..7145eeb 100644
--- a/php.go
+++ b/php.go
@@ -462,8 +462,8 @@ func Wordwrap(str string, width uint, br string) string {
 	if br == "" {
 		br = "\n"
 	}
-	init := make([]byte, 0, len(str))
-	buf := bytes.NewBuffer(init)
+
+	buf := bytes.NewBuffer(make([]byte, 0, len(str)))
 	var current uint
 	var wordbuf, spacebuf bytes.Buffer
 	for _, char := range str {
@@ -824,7 +824,7 @@ func Levenshtein(str1, str2 string, costIns, costRep, costDel int) int {
 		return -1
 	}
 
-	tmp := make([]int, l2+1)
+	var tmp []int
 	p1 := make([]int, l2+1)
 	p2 := make([]int, l2+1)
 	var c0, c1, c2 int