diff --git a/doc/examples/calendar.sindri.json b/doc/examples/calendar.sindri.json
deleted file mode 100644
index 84aaf25..0000000
--- a/doc/examples/calendar.sindri.json
+++ /dev/null
@@ -1,142 +0,0 @@
-{
-	"domains": [
-		{
-			"name": "calendar",
-			"key_field": {
-				"name": "id"
-			},
-			"data_fields": [
-				{
-					"name": "name",
-					"nullable": false,
-					"type": "string_short"
-				},
-				{
-					"name": "description",
-					"nullable": true,
-					"type": "string_long"
-				},
-				{
-					"name": "color",
-					"nullable": true,
-					"type": "string_short"
-				}
-			]
-		},
-		{
-			"name": "calendar_appointment",
-			"key_field": {
-				"name": "id"
-			},
-			"data_fields": [
-				{
-					"name": "calendar_id",
-					"nullable": false,
-					"type": "integer"
-				},
-				{
-					"name": "title",
-					"nullable": false,
-					"type": "string_short"
-				},
-				{
-					"name": "description",
-					"nullable": true,
-					"type": "string_long"
-				},
-				{
-					"name": "location",
-					"nullable": true,
-					"type": "string_short"
-				},
-				{
-					"name": "begin",
-					"description": "UNIX timestamp",
-					"nullable": false,
-					"type": "integer"
-				},
-				{
-					"name": "end",
-					"description": "UNIX timestamp",
-					"nullable": true,
-					"type": "integer"
-				},
-				{
-					"name": "contact",
-					"nullable": true,
-					"type": "string_short"
-				}
-			],
-			"constraints": [
-				{
-					"kind": "foreign_key",
-					"parameters": {
-						"fields": [
-							"calendar_id"
-						],
-						"reference": {
-							"name": "calendar",
-							"fields": [
-								"id"
-							]
-						}
-					}
-				}
-			]
-		},
-		{
-			"name": "organization",
-			"key_field": {
-				"name": "id"
-			},
-			"data_fields": [
-			]
-		},
-		{
-			"name": "organization_calendars",
-			"data_fields": [
-				{
-					"name": "organization_id",
-					"nullable": false,
-					"type": "integer"
-				},
-				{
-					"name": "calendar_id",
-					"nullable": false,
-					"type": "integer"
-				}
-			],
-			"constraints": [
-				{
-					"kind": "foreign_key",
-					"parameters": {
-						"fields": [
-							"organization_id"
-						],
-						"reference": {
-							"name": "organization",
-							"fields": [
-								"id"
-							]
-						}
-					}
-				},
-				{
-					"kind": "foreign_key",
-					"parameters": {
-						"fields": [
-							"calendar_id"
-						],
-						"reference": {
-							"name": "calendar",
-							"fields": [
-								"id"
-							]
-						}
-					}
-				}
-			]
-		}
-	]
-}
-