diff --git a/services/managementpartner/mgmt/2018-02-01/managementpartner/models.go b/services/managementpartner/mgmt/2018-02-01/managementpartner/models.go
index f17f2eb90157..604fe9a1da5e 100644
--- a/services/managementpartner/mgmt/2018-02-01/managementpartner/models.go
+++ b/services/managementpartner/mgmt/2018-02-01/managementpartner/models.go
@@ -199,6 +199,8 @@ type OperationResponse struct {
 type PartnerProperties struct {
 	// PartnerID - This is the partner id
 	PartnerID *string `json:"partnerId,omitempty"`
+	// PartnerName - This is the partner name
+	PartnerName *string `json:"partnerName,omitempty"`
 	// TenantID - This is the tenant id.
 	TenantID *string `json:"tenantId,omitempty"`
 	// ObjectID - This is the object id.
@@ -228,27 +230,6 @@ type PartnerResponse struct {
 	Type *string `json:"type,omitempty"`
 }
 
-// MarshalJSON is the custom marshaler for PartnerResponse.
-func (pr PartnerResponse) MarshalJSON() ([]byte, error) {
-	objectMap := make(map[string]interface{})
-	if pr.Etag != nil {
-		objectMap["etag"] = pr.Etag
-	}
-	if pr.ID != nil {
-		objectMap["id"] = pr.ID
-	}
-	if pr.Name != nil {
-		objectMap["name"] = pr.Name
-	}
-	if pr.PartnerProperties != nil {
-		objectMap["properties"] = pr.PartnerProperties
-	}
-	if pr.Type != nil {
-		objectMap["type"] = pr.Type
-	}
-	return json.Marshal(objectMap)
-}
-
 // UnmarshalJSON is the custom unmarshaler for PartnerResponse struct.
 func (pr *PartnerResponse) UnmarshalJSON(body []byte) error {
 	var m map[string]*json.RawMessage