diff --git a/entrypoint.go b/entrypoint.go
index d50b0fa..1deb482 100644
--- a/entrypoint.go
+++ b/entrypoint.go
@@ -7,29 +7,36 @@ import (
 	"cloud.o-forge.io/core/oc-lib/utils"
 )
 
-type LibData resources.ResourceType
+const (
+	INVALID    = resources.INVALID
+	DATA       = resources.DATA
+	PROCESSING = resources.PROCESSING
+	STORAGE    = resources.STORAGE
+	DATACENTER = resources.DATACENTER
+	WORKFLOW   = resources.WORKFLOW
+)
 
 const (
-	WORKFLOW LibData = 5
+	MONGO = utils.MONGO
 )
 
 func Init() {
 	mongo.MONGOService.Init(models.GetModelsNames(), GetConfig())
 }
 
-func LoadOne(name string, driver utils.Driver, id string) interface{} {
-	return models.Model(name).GetAccessor(driver).LoadOne(id)
+func LoadOne(name string, id string) interface{} {
+	return models.Model(name).GetAccessor().LoadOne(id)
 }
 
-func UpdateOne(name string, driver utils.Driver, set map[string]interface{}, id string) interface{} {
-	return models.Model(name).GetAccessor(driver).UpdateOne(set, id)
+func UpdateOne(name string, set map[string]interface{}, id string) interface{} {
+	return models.Model(name).GetAccessor().UpdateOne(set, id)
 }
 
-func DeleteOne(name string, driver utils.Driver, id string) interface{} {
-	return models.Model(name).GetAccessor(driver).DeleteOne(id)
+func DeleteOne(name string, id string) interface{} {
+	return models.Model(name).GetAccessor().DeleteOne(id)
 }
 
-func StoreOne(name string, driver utils.Driver, object map[string]interface{}) interface{} {
+func StoreOne(name string, object map[string]interface{}) interface{} {
 	model := models.Model(name)
-	return model.GetAccessor(driver).StoreOne(model.Deserialize(object))
+	return model.GetAccessor().StoreOne(model.Deserialize(object))
 }
diff --git a/models/resources/data/data.go b/models/resources/data/data.go
index 9444aef..1eb44a6 100644
--- a/models/resources/data/data.go
+++ b/models/resources/data/data.go
@@ -5,7 +5,6 @@ import (
 
 	resources "cloud.o-forge.io/core/oc-lib/models/resources"
 	"cloud.o-forge.io/core/oc-lib/models/utils"
-	tool "cloud.o-forge.io/core/oc-lib/utils"
 )
 
 type Data struct {
@@ -28,14 +27,8 @@ func (d *Data) GetType() resources.ResourceType {
 	return resources.DATA
 }
 
-func (d *Data) GetAccessor(driver tool.Driver) utils.Accessor {
-	var data utils.Accessor
-	switch driver {
-	case tool.MONGO:
-		data = &DataMongoAccessor{}
-	default:
-		data = &DataMongoAccessor{}
-	}
+func (d *Data) GetAccessor() utils.Accessor {
+	data := &DataMongoAccessor{}
 	data.SetLogger()
 	return data
 }
diff --git a/models/resources/datacenter/datacenter.go b/models/resources/datacenter/datacenter.go
index e2a1d0f..4f13dec 100644
--- a/models/resources/datacenter/datacenter.go
+++ b/models/resources/datacenter/datacenter.go
@@ -1,9 +1,10 @@
 package datacenter
 
 import (
+	"encoding/json"
+
 	resources "cloud.o-forge.io/core/oc-lib/models/resources"
 	"cloud.o-forge.io/core/oc-lib/models/utils"
-	tool "cloud.o-forge.io/core/oc-lib/utils"
 )
 
 type Datacenter struct {
@@ -36,18 +37,21 @@ type DatacenterGpuModel struct {
 	TensorCores uint   `bson:"tensor_cores,omitempty" json:"tensor_cores,omitempty"`
 }
 
+func (dma *Datacenter) Deserialize(j map[string]interface{}) utils.DBObject {
+	b, err := json.Marshal(j)
+	if err != nil {
+		return nil
+	}
+	json.Unmarshal(b, dma)
+	return dma
+}
+
 func (d *Datacenter) GetType() resources.ResourceType {
 	return resources.DATACENTER
 }
 
-func (d *Datacenter) GetAccessor(driver tool.Driver) utils.Accessor {
-	var data utils.Accessor
-	switch driver {
-	case tool.MONGO:
-		data = &DatacenterMongoAccessor{}
-	default:
-		data = &DatacenterMongoAccessor{}
-	}
+func (d *Datacenter) GetAccessor() utils.Accessor {
+	data := &DatacenterMongoAccessor{}
 	data.SetLogger()
 	return data
 }
diff --git a/models/resources/processing/processing.go b/models/resources/processing/processing.go
index 1df4cf0..f5d72d7 100644
--- a/models/resources/processing/processing.go
+++ b/models/resources/processing/processing.go
@@ -5,7 +5,6 @@ import (
 
 	resources "cloud.o-forge.io/core/oc-lib/models/resources"
 	"cloud.o-forge.io/core/oc-lib/models/utils"
-	tool "cloud.o-forge.io/core/oc-lib/utils"
 )
 
 type Processing struct {
@@ -45,14 +44,8 @@ func (p *Processing) GetType() resources.ResourceType {
 	return resources.PROCESSING
 }
 
-func (d *Processing) GetAccessor(driver tool.Driver) utils.Accessor {
-	var data utils.Accessor
-	switch driver {
-	case tool.MONGO:
-		data = &ProcessingMongoAccessor{}
-	default:
-		data = &ProcessingMongoAccessor{}
-	}
+func (d *Processing) GetAccessor() utils.Accessor {
+	data := &ProcessingMongoAccessor{}
 	data.SetLogger()
 	return data
 }
diff --git a/models/resources/storage/storage.go b/models/resources/storage/storage.go
index bd6f365..0c138c5 100644
--- a/models/resources/storage/storage.go
+++ b/models/resources/storage/storage.go
@@ -5,7 +5,6 @@ import (
 
 	resources "cloud.o-forge.io/core/oc-lib/models/resources"
 	"cloud.o-forge.io/core/oc-lib/models/utils"
-	tool "cloud.o-forge.io/core/oc-lib/utils"
 )
 
 type URL struct {
@@ -38,14 +37,8 @@ func (s *Storage) GetType() resources.ResourceType {
 	return resources.STORAGE
 }
 
-func (d *Storage) GetAccessor(driver tool.Driver) utils.Accessor {
-	var data utils.Accessor
-	switch driver {
-	case tool.MONGO:
-		data = &StorageMongoAccessor{}
-	default:
-		data = &StorageMongoAccessor{}
-	}
+func (d *Storage) GetAccessor() utils.Accessor {
+	data := &StorageMongoAccessor{}
 	data.SetLogger()
 	return data
 }
diff --git a/models/utils/interfaces.go b/models/utils/interfaces.go
index bce57a4..97db5d1 100644
--- a/models/utils/interfaces.go
+++ b/models/utils/interfaces.go
@@ -1,11 +1,9 @@
 package utils
 
-import "cloud.o-forge.io/core/oc-lib/utils"
-
 type DBObject interface {
 	GetName() string
 	Deserialize(j map[string]interface{}) DBObject
-	GetAccessor(driver utils.Driver) Accessor
+	GetAccessor() Accessor
 }
 
 type Accessor interface {
diff --git a/models/workflow/workflow.go b/models/workflow/workflow.go
index a78d684..910b080 100644
--- a/models/workflow/workflow.go
+++ b/models/workflow/workflow.go
@@ -10,7 +10,6 @@ import (
 	"cloud.o-forge.io/core/oc-lib/models/resources/storage"
 	"cloud.o-forge.io/core/oc-lib/models/utils"
 	"cloud.o-forge.io/core/oc-lib/models/workflow/graph"
-	tool "cloud.o-forge.io/core/oc-lib/utils"
 )
 
 const WORKFLOW = "workflow"
@@ -25,14 +24,8 @@ type Workflow struct {
 	Schedule    WorkflowSchedule                 `bson:"schedule,omitempty" json:"schedule,omitempty"`
 }
 
-func (d *Workflow) GetAccessor(driver tool.Driver) utils.Accessor {
-	var data utils.Accessor
-	switch driver {
-	case tool.MONGO:
-		data = &WorkflowMongoAccessor{}
-	default:
-		data = &WorkflowMongoAccessor{}
-	}
+func (d *Workflow) GetAccessor() utils.Accessor {
+	data := &WorkflowMongoAccessor{}
 	data.SetLogger()
 	return data
 }
diff --git a/utils/enums.go b/utils/enums.go
deleted file mode 100644
index be56b32..0000000
--- a/utils/enums.go
+++ /dev/null
@@ -1,8 +0,0 @@
-package utils
-
-type Driver int
-
-const (
-	INVALID Driver = iota
-	MONGO
-)