diff --git a/adapter/adapter.go b/adapter/adapter.go
index ae9584be..e239ab7b 100644
--- a/adapter/adapter.go
+++ b/adapter/adapter.go
@@ -208,10 +208,6 @@ func (p *Proxy) URLTest(ctx context.Context, url string, expectedStatus utils.In
 			if alive {
 				record.Delay = t
 			}
-			p.history.Put(record)
-			if p.history.Len() > defaultHistoriesNum {
-				p.history.Pop()
-			}
 
 			state, ok := p.extra.Load(url)
 			if !ok {