remove unnecessary func

diff --git a/reqf/Reqf.go b/reqf/Reqf.go
index be80110668dded1d14f5663c12339a7062e7b13d..d5a13ddd17de2040e690bce915bf261547377ca9 100644 (file)
--- a/reqf/Reqf.go
+++ b/reqf/Reqf.go
@@ -357,10 +357,6 @@ func IsTimeout(e error) bool {
     return errors.Is(e, context.DeadlineExceeded) || errors.Is(e, ConnectTimeoutErr) || errors.Is(e, ReadTimeoutErr)
 }
 
-func IsDnsErr(e error) bool {
-    return e != nil && strings.Contains(e.Error(), "lookup")
-}
-
 func IsCancel(e error) bool {
     return errors.Is(e, context.Canceled)
 }
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