diff --git a/internal/log.go b/internal/log.go
index c1cdbf4..fd14222 100644
--- a/internal/log.go
+++ b/internal/log.go
@@ -2,21 +2,14 @@ package internal
 
 import (
 	"fmt"
-	"io/ioutil"
 	"log"
 )
 
-var Debug bool
+var Logger *log.Logger
 
-var Logger = log.New(ioutil.Discard, "redis: ", log.LstdFlags)
-
-func Debugf(s string, args ...interface{}) {
-	if !Debug {
+func Logf(s string, args ...interface{}) {
+	if Logger == nil {
 		return
 	}
 	Logger.Output(2, fmt.Sprintf(s, args...))
 }
-
-func Logf(s string, args ...interface{}) {
-	Logger.Output(2, fmt.Sprintf(s, args...))
-}
diff --git a/redis.go b/redis.go
index e2c173b..bb9fcd0 100644
--- a/redis.go
+++ b/redis.go
@@ -8,8 +8,6 @@ import (
 	"gopkg.in/redis.v4/internal/pool"
 )
 
-var Logger *log.Logger
-
 func SetLogger(logger *log.Logger) {
 	internal.Logger = logger
 }