diff --git a/files/files.go b/files/files.go
index 7d97dd04..868e7e01 100644
--- a/files/files.go
+++ b/files/files.go
@@ -23,7 +23,7 @@ type Content struct {
 
 type ContentFileInfo struct {
 	Owner string      `yaml:"owner,omitempty" json:"owner,omitempty"`
-	Group string      `yaml:"group" json:"group"`
+	Group string      `yaml:"group,omitempty" json:"group,omitempty"`
 	Mode  os.FileMode `yaml:"mode,omitempty" json:"mode,omitempty"`
 	MTime time.Time   `yaml:"mtime,omitempty" json:"mtime,omitempty"`
 	Size  int64       `yaml:"-" json:"-"`
diff --git a/www/docs/static/schema.json b/www/docs/static/schema.json
index 292f75ae..1f741c5e 100644
--- a/www/docs/static/schema.json
+++ b/www/docs/static/schema.json
@@ -306,10 +306,7 @@
 					}
 				},
 				"additionalProperties": false,
-				"type": "object",
-				"required": [
-					"group"
-				]
+				"type": "object"
 			},
 			"Contents": {
 				"items": {