diff --git a/cmd/explorer/explorerlib/explorerlib.go b/cmd/explorer/explorerlib/explorerlib.go
index 1e54b31f..5b549795 100644
--- a/cmd/explorer/explorerlib/explorerlib.go
+++ b/cmd/explorer/explorerlib/explorerlib.go
@@ -35,7 +35,7 @@ import (
 	"strconv"
 	"strings"
 	"time"
-	"unicode"
+	"unicode" // need to avoid this, but only used by byteviewer
 	"unsafe"
 
 	"github.com/creachadair/jrpc2"
@@ -51,8 +51,6 @@ import (
 	"github.com/gorilla/websocket"
 )
 
-// need to avoid this, but only used by byteviewer
-
 //import "encoding/json"
 //import "io/ioutil"
 
diff --git a/vendor/github.com/tjfoc/gmsm/API????.md b/vendor/github.com/tjfoc/gmsm/API.md
similarity index 100%
rename from vendor/github.com/tjfoc/gmsm/API????.md
rename to vendor/github.com/tjfoc/gmsm/API.md