diff --git a/parser/fns/main.go b/parser/fns/main.go
index 52eb5b0..e0c6686 100644
--- a/parser/fns/main.go
+++ b/parser/fns/main.go
@@ -32,7 +32,6 @@ func main() {
 		checkErr(err)
 	}()
 
-	fmt.Println("package main", "\n")
 	fmt.Println("var SupportedTaxDepartments = map[ConstitutionRegionCode]TaxDepart{")
 
 	scanner := bufio.NewScanner(file)
@@ -45,7 +44,6 @@ func main() {
 		if err != nil {
 			var output string
 			if nextRegion {
-				//fmt.Println("},")
 				output += "Name: "
 			}
 			fmt.Println(output + "`" + row + "`,")
diff --git a/utils/helpers.go b/utils/helpers.go
index bec024e..04ac1a6 100644
--- a/utils/helpers.go
+++ b/utils/helpers.go
@@ -65,7 +65,7 @@ func CodeToInts(code int) []int {
 	for code > 0 {
 		digit := code % 10
 		res = append([]int{digit}, res...)
-		code = code / 10
+		code /= 10
 	}
 
 	return res
diff --git a/validate_test.go b/validate_test.go
index 7f50799..be5400a 100644
--- a/validate_test.go
+++ b/validate_test.go
@@ -15,6 +15,7 @@ func Test_Validate(t *testing.T) {
 
 func Test_Validate_Unsupported(t *testing.T) {
 	require.Panics(t, func() {
-		Validate(DocType(100500), "100500")
+		_, err := Validate(DocType(100500), "100500")
+		require.NoError(t, err)
 	})
 }