diff --git a/config/noauthprobe/NoAuthProbeConfig.go b/config/noauthprobe/NoAuthProbeConfig.go
index d675ceb..29a2ae7 100644
--- a/config/noauthprobe/NoAuthProbeConfig.go
+++ b/config/noauthprobe/NoAuthProbeConfig.go
@@ -1,6 +1,6 @@
 package noauthprobe
 
-import "git.loafle.net/overflow/overflow_commons_go/util"
+import "time"
 
 type NoAuthProbeStateType int
 
@@ -10,8 +10,8 @@ const (
 )
 
 type NoAuthProbeConfig struct {
-	TempKey  *string         `json:"tempKey,omitempty" yaml:"tempKey" toml:"tempKey"`
-	DenyDate *util.Timestamp `json:"denyDate,omitempty" yaml:"denyDate" toml:"denyDate"`
+	TempKey  *string    `json:"tempKey,omitempty" yaml:"tempKey" toml:"tempKey"`
+	DenyDate *time.Time `json:"denyDate,omitempty" yaml:"denyDate" toml:"denyDate"`
 }
 
 func (c *NoAuthProbeConfig) State() NoAuthProbeStateType {