diff --git a/config_schema/camera.schema.json b/config_schema/camera.schema.json
index cc5eaeb..a50ab80 100644
--- a/config_schema/camera.schema.json
+++ b/config_schema/camera.schema.json
@@ -52,7 +52,11 @@
                     "description": "A Camera responding to a Rest API."
                 }
             },
-            "$ref": "rest.schema.json"
+            "allOf": [
+                {
+                    "$ref": "rest.schema.json"
+                }
+            ]
         },
         {
             "properties": {
diff --git a/config_schema/config.schema.json b/config_schema/config.schema.json
index 4ffbf46..5ab4931 100644
--- a/config_schema/config.schema.json
+++ b/config_schema/config.schema.json
@@ -5,12 +5,24 @@
     "type": "object",
     "properties": {
         "camera": {
-            "$ref": "camera.schema.json",
-            "description": "The main camera of the setup."
+            "allOf": [
+                {
+                    "$ref": "camera.schema.json"
+                },
+                {
+                    "description": "The main camera of the setup."
+                }
+            ]
         },
         "stage": {
-            "$ref": "stage.schema.json",
-            "description": "The main stage of the setup."
+            "allOf": [
+                {
+                    "$ref": "stage.schema.json"
+                },
+                {
+                    "description": "The main stage of the setup."
+                }
+            ]
         },
         "lasers": {
             "type": "array",
diff --git a/config_schema/laser.schema.json b/config_schema/laser.schema.json
index 5595fa0..ddeb2c1 100644
--- a/config_schema/laser.schema.json
+++ b/config_schema/laser.schema.json
@@ -11,6 +11,11 @@
     ],
     "oneOf": [
         {
+            "allOf": [
+                {
+                    "$ref": "serial.schema.json"
+                }
+            ],
             "properties": {
                 "type": {
                     "const": "PDM",
@@ -25,7 +30,6 @@
                     "description": "The index of the PDM device"
                 }
             },
-            "$ref": "serial.schema.json",
             "required": [
                 "num"
             ]
diff --git a/config_schema/stage.schema.json b/config_schema/stage.schema.json
index cfb8d07..b89554c 100644
--- a/config_schema/stage.schema.json
+++ b/config_schema/stage.schema.json
@@ -3,7 +3,6 @@
     "$schema": "http://json-schema.org/draft-07/schema#",
     "title": "Stage",
     "type": "object",
-    "description": "A Stage.",
     "allOf": [
         {
             "$ref": "instrument.schema.json"
@@ -22,21 +21,34 @@
     },
     "oneOf": [
         {
-            "properties": {
-                "type": {
-                    "const": "Corvus",
-                    "description": "Corvus Stage."
+            "allOf": [
+                {
+                    "properties": {
+                        "type": {
+                            "const": "Corvus",
+                            "description": "A Corvus Stage."
+                        }
+                    }
+                },
+                {
+                    "$ref": "serial.schema.json"
                 }
-            },
-            "$ref": "serial.schema.json"
+            ]
         },
         {
-            "properties": {
-                "type": {
-                    "const": "CNC",
-                    "description": "CNC Stage."
+            "allOf": [
+                {
+                    "properties": {
+                        "type": {
+                            "const": "CNC",
+                            "description": "A CNC Stage."
+                        }
+                    }
+                },
+                {
+                    "$ref": "serial.schema.json"
                 }
-            }
+            ]
         },
         {
             "properties": {
@@ -53,7 +65,11 @@
                     "description": "A Stage responding to a Rest API."
                 }
             },
-            "$ref": "rest.schema.json"
+            "allOf": [
+                {
+                    "$ref": "rest.schema.json"
+                }
+            ]
         }
     ],
     "required": [