diff --git a/netbox_interfaces.go b/netbox_interfaces.go
index 72ae539..a6ebb03 100644
--- a/netbox_interfaces.go
+++ b/netbox_interfaces.go
@@ -17,7 +17,6 @@ type Dcim_Interfaces_Create struct {
 	Device           int    `json:"device"`
 	Name             string `json:"name"`
 	Type             int    `json:"type,omitempty"`
-	FormFactor       string `json:"form_factor"`
 	Enabled          bool   `json:"enabled,omitempty"`
 	Lag              int    `json:"lag,omitempty"`
 	Mtu              int    `json:"mtu,omitempty"`