diff --git a/apis/authentication/install/roundtrip_test.go b/apis/authentication/install/roundtrip_test.go
index a52f5b57e9..cc4074bcc4 100644
--- a/apis/authentication/install/roundtrip_test.go
+++ b/apis/authentication/install/roundtrip_test.go
@@ -19,13 +19,13 @@ package install
 import (
 	"testing"
 
-	identityfuzzer "kubeops.dev/ui-server/apis/identity/fuzzer"
+	"kubeops.dev/ui-server/apis/authentication/fuzzer"
 
 	"k8s.io/apimachinery/pkg/api/apitesting/roundtrip"
 )
 
 func TestRoundTripTypes(t *testing.T) {
-	roundtrip.RoundTripTestForAPIGroup(t, Install, identityfuzzer.Funcs)
+	roundtrip.RoundTripTestForAPIGroup(t, Install, fuzzer.Funcs)
 	// TODO: enable protobuf generation for the sample-apiserver
 	// roundtrip.RoundTripProtobufTestForAPIGroup(t, Install, identityfuzzer.Funcs)
 }
diff --git a/apis/cost/install/roundtrip_test.go b/apis/cost/install/roundtrip_test.go
index 5b274bd2fd..750dcf39d0 100644
--- a/apis/cost/install/roundtrip_test.go
+++ b/apis/cost/install/roundtrip_test.go
@@ -19,13 +19,13 @@ package install
 import (
 	"testing"
 
-	costfuzzer "kubeops.dev/ui-server/apis/cost/fuzzer"
+	"kubeops.dev/ui-server/apis/cost/fuzzer"
 
 	"k8s.io/apimachinery/pkg/api/apitesting/roundtrip"
 )
 
 func TestRoundTripTypes(t *testing.T) {
-	roundtrip.RoundTripTestForAPIGroup(t, Install, costfuzzer.Funcs)
+	roundtrip.RoundTripTestForAPIGroup(t, Install, fuzzer.Funcs)
 	// TODO: enable protobuf generation for the sample-apiserver
 	// roundtrip.RoundTripProtobufTestForAPIGroup(t, Install, identityfuzzer.Funcs)
 }
diff --git a/apis/offline/install/roundtrip_test.go b/apis/offline/install/roundtrip_test.go
index a52f5b57e9..5f87a22e52 100644
--- a/apis/offline/install/roundtrip_test.go
+++ b/apis/offline/install/roundtrip_test.go
@@ -19,13 +19,13 @@ package install
 import (
 	"testing"
 
-	identityfuzzer "kubeops.dev/ui-server/apis/identity/fuzzer"
+	"kubeops.dev/ui-server/apis/offline/fuzzer"
 
 	"k8s.io/apimachinery/pkg/api/apitesting/roundtrip"
 )
 
 func TestRoundTripTypes(t *testing.T) {
-	roundtrip.RoundTripTestForAPIGroup(t, Install, identityfuzzer.Funcs)
+	roundtrip.RoundTripTestForAPIGroup(t, Install, fuzzer.Funcs)
 	// TODO: enable protobuf generation for the sample-apiserver
 	// roundtrip.RoundTripProtobufTestForAPIGroup(t, Install, identityfuzzer.Funcs)
 }
diff --git a/apis/policy/install/roundtrip_test.go b/apis/policy/install/roundtrip_test.go
index a06d4f81de..fadfe6b257 100644
--- a/apis/policy/install/roundtrip_test.go
+++ b/apis/policy/install/roundtrip_test.go
@@ -19,13 +19,13 @@ package install
 import (
 	"testing"
 
-	policyfuzzer "kubeops.dev/ui-server/apis/policy/fuzzer"
+	"kubeops.dev/ui-server/apis/policy/fuzzer"
 
 	"k8s.io/apimachinery/pkg/api/apitesting/roundtrip"
 )
 
 func TestRoundTripTypes(t *testing.T) {
-	roundtrip.RoundTripTestForAPIGroup(t, Install, policyfuzzer.Funcs)
+	roundtrip.RoundTripTestForAPIGroup(t, Install, fuzzer.Funcs)
 	// TODO: enable protobuf generation for the sample-apiserver
 	// roundtrip.RoundTripProtobufTestForAPIGroup(t, Install, identityfuzzer.Funcs)
 }
diff --git a/pkg/apiserver/scheme_test.go b/pkg/apiserver/scheme_test.go
deleted file mode 100644
index 14ab7fa986..0000000000
--- a/pkg/apiserver/scheme_test.go
+++ /dev/null
@@ -1,29 +0,0 @@
-/*
-Copyright AppsCode Inc. and Contributors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package apiserver
-
-import (
-	"testing"
-
-	identityfuzzer "kubeops.dev/ui-server/apis/identity/fuzzer"
-
-	"k8s.io/apimachinery/pkg/api/apitesting/roundtrip"
-)
-
-func TestRoundTripTypes(t *testing.T) {
-	roundtrip.RoundTripTestForScheme(t, Scheme, identityfuzzer.Funcs)
-}