diff --git a/scanner.go b/scanner.go
index 9ee67fa..36a4591 100644
--- a/scanner.go
+++ b/scanner.go
@@ -113,7 +113,6 @@ func scanComment(b []byte) ([]byte, []byte, error) {
 	return b, nil, nil
 }
 
-// TODO perform validation on the string?
 func scanBasicString(b []byte) ([]byte, []byte, error) {
 	//basic-string = quotation-mark *basic-char quotation-mark
 	//quotation-mark = %x22            ; "
@@ -137,7 +136,6 @@ func scanBasicString(b []byte) ([]byte, []byte, error) {
 	return nil, nil, fmt.Errorf(`basic string not terminated by "`)
 }
 
-// TODO perform validation on the string?
 func scanMultilineBasicString(b []byte) ([]byte, []byte, error) {
 	//ml-basic-string = ml-basic-string-delim [ newline ] ml-basic-body
 	//ml-basic-string-delim