diff --git a/playground/build.go b/playground/build.go
index d4bb74f..f812fbb 100644
--- a/playground/build.go
+++ b/playground/build.go
@@ -63,7 +63,6 @@ func BuildHandler(w http.ResponseWriter, r *http.Request) {
 	data["output"] = template.HTML(string(out))
 
 	if nil != err {
-		logger.Error(err)
 		data["succ"] = false
 
 		return
diff --git a/session/sessions.go b/session/sessions.go
index c7399ed..45e09e5 100644
--- a/session/sessions.go
+++ b/session/sessions.go
@@ -381,7 +381,7 @@ func (sessions *wSessions) Remove(sid string) {
 
 			cnt := 0 // count wide sessions associated with HTTP session
 			for _, ses := range *sessions {
-				if ses.HTTPSession.Values["id"] == s.HTTPSession.Values["id"] {
+				if ses.Username == s.Username {
 					cnt++
 				}
 			}