diff --git a/agent/pkg/config/config.go b/agent/pkg/config/config.go
index f5cdb320a..0104a52b1 100644
--- a/agent/pkg/config/config.go
+++ b/agent/pkg/config/config.go
@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"github.com/up9inc/mizu/shared"
+	"github.com/up9inc/mizu/tap/api"
 	"io/ioutil"
 	"os"
 )
@@ -46,7 +47,7 @@ func applyDefaultConfig() error {
 }
 
 func getDefaultConfig() (*shared.MizuAgentConfig, error) {
-	regex, err := shared.CompileRegexToSerializableRegexp(defaultRegexTarget)
+	regex, err := api.CompileRegexToSerializableRegexp(defaultRegexTarget)
 	if err != nil {
 		return nil, err
 	}
diff --git a/cli/config/config.go b/cli/config/config.go
index ae8d172f2..a664d66b4 100644
--- a/cli/config/config.go
+++ b/cli/config/config.go
@@ -3,6 +3,7 @@ package config
 import (
 	"errors"
 	"fmt"
+	"github.com/up9inc/mizu/tap/api"
 	"io/ioutil"
 	"k8s.io/apimachinery/pkg/util/json"
 	"os"
@@ -378,7 +379,7 @@ func GetSerializedMizuConfig() (string, error) {
 }
 
 func getMizuConfig() (*shared.MizuAgentConfig, error) {
-	serializableRegex, err := shared.CompileRegexToSerializableRegexp(Config.Tap.PodRegexStr)
+	serializableRegex, err := api.CompileRegexToSerializableRegexp(Config.Tap.PodRegexStr)
 	if err != nil {
 		return nil, err
 	}
diff --git a/shared/kubernetes/provider.go b/shared/kubernetes/provider.go
index 3d927bd8b..9ff029584 100644
--- a/shared/kubernetes/provider.go
+++ b/shared/kubernetes/provider.go
@@ -167,8 +167,8 @@ func (provider *Provider) CreateMizuApiServerPod(ctx context.Context, opts *ApiS
 		}
 	}
 
-	configMapVolumeName := &core.ConfigMapVolumeSource{}
-	configMapVolumeName.Name = ConfigMapName
+	configMapVolume := &core.ConfigMapVolumeSource{}
+	configMapVolume.Name = ConfigMapName
 
 	cpuLimit, err := resource.ParseQuantity(opts.Resources.CpuLimit)
 	if err != nil {
@@ -263,7 +263,7 @@ func (provider *Provider) CreateMizuApiServerPod(ctx context.Context, opts *ApiS
 				{
 					Name: ConfigMapName,
 					VolumeSource: core.VolumeSource{
-						ConfigMap: configMapVolumeName,
+						ConfigMap: configMapVolume,
 					},
 				},
 			},
@@ -788,4 +788,4 @@ func validateKubernetesVersion(clientSet *kubernetes.Clientset) error {
 	}
 
 	return nil
-}
\ No newline at end of file
+}
diff --git a/shared/kubernetes/proxy.go b/shared/kubernetes/proxy.go
index c6b180d52..cfb69e4db 100644
--- a/shared/kubernetes/proxy.go
+++ b/shared/kubernetes/proxy.go
@@ -64,4 +64,4 @@ func getRerouteHttpHandlerMizuStatic(proxyHandler http.Handler, mizuNamespace st
 		r.URL.Path = strings.Replace(r.URL.Path, "/static/", fmt.Sprintf("%s/static/", getMizuApiServerProxiedHostAndPath(mizuNamespace, mizuServiceName)), 1)
 		proxyHandler.ServeHTTP(w, r)
 	})
-}
\ No newline at end of file
+}
diff --git a/shared/kubernetes/utils.go b/shared/kubernetes/utils.go
index 4c7697d15..2eb970308 100644
--- a/shared/kubernetes/utils.go
+++ b/shared/kubernetes/utils.go
@@ -55,4 +55,4 @@ func getMissingPods(pods1 []core.Pod, pods2 []core.Pod) []core.Pod {
 		}
 	}
 	return missingPods
-}
\ No newline at end of file
+}
diff --git a/shared/models.go b/shared/models.go
index 7f04493b7..e857d4cb2 100644
--- a/shared/models.go
+++ b/shared/models.go
@@ -1,6 +1,7 @@
 package shared
 
 import (
+	"github.com/up9inc/mizu/tap/api"
 	"io/ioutil"
 	"log"
 	"strings"
@@ -26,8 +27,8 @@ type Resources struct {
 }
 
 type MizuAgentConfig struct {
-	TapTargetRegex SerializableRegexp `yaml:"tapTargetRegex"`
-	MaxDBSizeBytes int64              `yaml:"maxDBSizeBytes"`
+	TapTargetRegex api.SerializableRegexp `yaml:"tapTargetRegex"`
+	MaxDBSizeBytes int64                  `yaml:"maxDBSizeBytes"`
 }
 
 type WebSocketMessageMetadata struct {
diff --git a/shared/serializable_regexp.go b/shared/serializable_regexp.go
deleted file mode 100644
index e311fdeb5..000000000
--- a/shared/serializable_regexp.go
+++ /dev/null
@@ -1,30 +0,0 @@
-package shared
-
-import "regexp"
-
-type SerializableRegexp struct {
-	regexp.Regexp
-}
-
-func CompileRegexToSerializableRegexp(expr string) (*SerializableRegexp, error) {
-	re, err := regexp.Compile(expr)
-	if err != nil {
-		return nil, err
-	}
-	return &SerializableRegexp{*re}, nil
-}
-
-// UnmarshalText is by json.Unmarshal.
-func (r *SerializableRegexp) UnmarshalText(text []byte) error {
-	rr, err := CompileRegexToSerializableRegexp(string(text))
-	if err != nil {
-		return err
-	}
-	*r = *rr
-	return nil
-}
-
-// MarshalText is used by json.Marshal.
-func (r *SerializableRegexp) MarshalText() ([]byte, error) {
-	return []byte(r.String()), nil
-}