diff --git a/internal/resource/obcluster/obcluster_manager.go b/internal/resource/obcluster/obcluster_manager.go
index 6b7f29073..ebce4043b 100644
--- a/internal/resource/obcluster/obcluster_manager.go
+++ b/internal/resource/obcluster/obcluster_manager.go
@@ -32,8 +32,9 @@ import (
 	tasktypes "github.com/oceanbase/ob-operator/pkg/task/types"
 )
 
+var _ opresource.ResourceManager = &OBClusterManager{}
+
 type OBClusterManager struct {
-	opresource.ResourceManager
 	Ctx       context.Context
 	OBCluster *v1alpha1.OBCluster
 	Client    client.Client
diff --git a/internal/resource/obparameter/obparameter_manager.go b/internal/resource/obparameter/obparameter_manager.go
index 23d589004..9e69314cb 100644
--- a/internal/resource/obparameter/obparameter_manager.go
+++ b/internal/resource/obparameter/obparameter_manager.go
@@ -35,8 +35,9 @@ import (
 	tasktypes "github.com/oceanbase/ob-operator/pkg/task/types"
 )
 
+var _ opresource.ResourceManager = &OBParameterManager{}
+
 type OBParameterManager struct {
-	opresource.ResourceManager
 	Ctx         context.Context
 	OBParameter *v1alpha1.OBParameter
 	Client      client.Client
diff --git a/internal/resource/observer/observer_manager.go b/internal/resource/observer/observer_manager.go
index a48fd116c..a7c36228b 100644
--- a/internal/resource/observer/observer_manager.go
+++ b/internal/resource/observer/observer_manager.go
@@ -34,8 +34,9 @@ import (
 	tasktypes "github.com/oceanbase/ob-operator/pkg/task/types"
 )
 
+var _ opresource.ResourceManager = &OBServerManager{}
+
 type OBServerManager struct {
-	opresource.ResourceManager
 	Ctx      context.Context
 	OBServer *v1alpha1.OBServer
 	Client   client.Client
diff --git a/internal/resource/obtenant/obtenant_manager.go b/internal/resource/obtenant/obtenant_manager.go
index 3ebfb9422..989e22d47 100644
--- a/internal/resource/obtenant/obtenant_manager.go
+++ b/internal/resource/obtenant/obtenant_manager.go
@@ -42,8 +42,9 @@ import (
 	tasktypes "github.com/oceanbase/ob-operator/pkg/task/types"
 )
 
+var _ opresource.ResourceManager = &OBTenantManager{}
+
 type OBTenantManager struct {
-	opresource.ResourceManager
 	OBTenant *v1alpha1.OBTenant
 	Ctx      context.Context
 	Client   client.Client
diff --git a/internal/resource/obtenantbackup/obtenantbackup_manager.go b/internal/resource/obtenantbackup/obtenantbackup_manager.go
index f59f6866c..5ea6ac68a 100644
--- a/internal/resource/obtenantbackup/obtenantbackup_manager.go
+++ b/internal/resource/obtenantbackup/obtenantbackup_manager.go
@@ -37,9 +37,9 @@ import (
 	tasktypes "github.com/oceanbase/ob-operator/pkg/task/types"
 )
 
-type OBTenantBackupManager struct {
-	opresource.ResourceManager
+var _ opresource.ResourceManager = &OBTenantBackupManager{}
 
+type OBTenantBackupManager struct {
 	Ctx      context.Context
 	Resource *v1alpha1.OBTenantBackup
 	Client   client.Client
diff --git a/internal/resource/obtenantbackuppolicy/obtenantbackuppolicy_manager.go b/internal/resource/obtenantbackuppolicy/obtenantbackuppolicy_manager.go
index b99dc6d70..04773c2ac 100644
--- a/internal/resource/obtenantbackuppolicy/obtenantbackuppolicy_manager.go
+++ b/internal/resource/obtenantbackuppolicy/obtenantbackuppolicy_manager.go
@@ -40,8 +40,9 @@ import (
 	tasktypes "github.com/oceanbase/ob-operator/pkg/task/types"
 )
 
+var _ opresource.ResourceManager = &ObTenantBackupPolicyManager{}
+
 type ObTenantBackupPolicyManager struct {
-	opresource.ResourceManager
 	Ctx          context.Context
 	BackupPolicy *v1alpha1.OBTenantBackupPolicy
 	Client       client.Client
diff --git a/internal/resource/obtenantoperation/obtenantoperation_manager.go b/internal/resource/obtenantoperation/obtenantoperation_manager.go
index 3fba95cf8..22bd05bd4 100644
--- a/internal/resource/obtenantoperation/obtenantoperation_manager.go
+++ b/internal/resource/obtenantoperation/obtenantoperation_manager.go
@@ -36,9 +36,9 @@ import (
 	tasktypes "github.com/oceanbase/ob-operator/pkg/task/types"
 )
 
-type ObTenantOperationManager struct {
-	opresource.ResourceManager
+var _ opresource.ResourceManager = &ObTenantOperationManager{}
 
+type ObTenantOperationManager struct {
 	Ctx      context.Context
 	Resource *v1alpha1.OBTenantOperation
 	Client   client.Client
diff --git a/internal/resource/obtenantrestore/obtenantrestore_manager.go b/internal/resource/obtenantrestore/obtenantrestore_manager.go
index 555e05b89..b950eb3cc 100644
--- a/internal/resource/obtenantrestore/obtenantrestore_manager.go
+++ b/internal/resource/obtenantrestore/obtenantrestore_manager.go
@@ -36,9 +36,9 @@ import (
 	tasktypes "github.com/oceanbase/ob-operator/pkg/task/types"
 )
 
-type ObTenantRestoreManager struct {
-	opresource.ResourceManager
+var _ opresource.ResourceManager = &ObTenantRestoreManager{}
 
+type ObTenantRestoreManager struct {
 	Ctx      context.Context
 	Resource *v1alpha1.OBTenantRestore
 	Client   client.Client
diff --git a/internal/resource/obzone/obzone_manager.go b/internal/resource/obzone/obzone_manager.go
index aebd078cd..cb9a53fac 100644
--- a/internal/resource/obzone/obzone_manager.go
+++ b/internal/resource/obzone/obzone_manager.go
@@ -36,8 +36,9 @@ import (
 	tasktypes "github.com/oceanbase/ob-operator/pkg/task/types"
 )
 
+var _ opresource.ResourceManager = &OBZoneManager{}
+
 type OBZoneManager struct {
-	opresource.ResourceManager
 	Ctx      context.Context
 	OBZone   *v1alpha1.OBZone
 	Client   client.Client