diff --git a/logtr/log.go b/logtr/log.go
index 5765f41..54eeb4c 100644
--- a/logtr/log.go
+++ b/logtr/log.go
@@ -5,7 +5,6 @@ import (
 	"errors"
 	"fmt"
 	"io"
-	"log"
 	"os"
 	"strings"
 	"sync"
@@ -90,7 +89,6 @@ func logf(l Level, format string, args []interface{}) {
 		fmt.Fprintf(os.Stderr, format, args...)
 	}
 	fmt.Fprintf(logger, format, args...)
-	log.Printf("l==sos=%v, ansoser!=nil=%v", l == SOS, ansoser != nil)
 	if l == SOS && cAnsoser != nil {
 		cAnsoser.Send(fmt.Sprintf(format, args...))
 	}