diff --git a/cmd/goyacc/yacc.go b/cmd/goyacc/yacc.go
index 7db1cb1b..fdf81568 100644
--- a/cmd/goyacc/yacc.go
+++ b/cmd/goyacc/yacc.go
@@ -1225,9 +1225,7 @@ func writecode(code []rune) {
 // skipcom is called after reading a '/'
 //
 func skipcom() int {
-	var c rune
-
-	c = getrune(finput)
+	c := getrune(finput)
 	if c == '/' {
 		for c != EOF {
 			if c == '\n' {