diff --git a/volume_types.go b/volume_types.go
index 60abacd..7472eb7 100644
--- a/volume_types.go
+++ b/volume_types.go
@@ -32,7 +32,6 @@ type CreateVolumeRequest struct {
 	SizeGb            *int   `json:"size_gb"`
 	Encrypted         *bool  `json:"encrypted"`
 	RequireUniqueZone *bool  `json:"require_unique_zone"`
-	MachinesOnly      *bool  `json:"machines_only"`
 	SnapshotRetention *int   `json:"snapshot_retention"`
 	AutoBackupEnabled *bool  `json:"auto_backup_enabled"`