diff --git a/gbfs-validator-java/src/main/java/org/entur/gbfs/validation/validator/rules/NoInvalidReferenceToPricingPlansInVehicleStatus.java b/gbfs-validator-java/src/main/java/org/entur/gbfs/validation/validator/rules/NoInvalidReferenceToPricingPlansInVehicleStatus.java
index cb3bc5a2..61d1ce77 100644
--- a/gbfs-validator-java/src/main/java/org/entur/gbfs/validation/validator/rules/NoInvalidReferenceToPricingPlansInVehicleStatus.java
+++ b/gbfs-validator-java/src/main/java/org/entur/gbfs/validation/validator/rules/NoInvalidReferenceToPricingPlansInVehicleStatus.java
@@ -55,10 +55,10 @@ public DocumentContext addRule(DocumentContext rawSchemaDocumentContext, Map<Str
         }
         JSONObject pricingPlanIdSchema = rawSchemaDocumentContext.read(requiredPath);
 
-        if (pricingPlansFeed != null) {
-            JSONArray pricingPlanIds = JsonPath.parse(pricingPlansFeed).read("$.data.plans[*].plan_id");
-            pricingPlanIdSchema.put("enum", pricingPlanIds);
-        }
+        JSONArray pricingPlanIds = pricingPlansFeed != null
+            ? JsonPath.parse(pricingPlansFeed).read("$.data.plans[*].plan_id")
+            : new JSONArray();
+        pricingPlanIdSchema.put("enum", pricingPlanIds);
 
         return rawSchemaDocumentContext
                 .set(requiredPath, pricingPlanIdSchema);
diff --git a/gbfs-validator-java/src/main/java/org/entur/gbfs/validation/validator/rules/NoInvalidReferenceToPricingPlansInVehicleTypes.java b/gbfs-validator-java/src/main/java/org/entur/gbfs/validation/validator/rules/NoInvalidReferenceToPricingPlansInVehicleTypes.java
index b52a3ff1..44cfa2de 100644
--- a/gbfs-validator-java/src/main/java/org/entur/gbfs/validation/validator/rules/NoInvalidReferenceToPricingPlansInVehicleTypes.java
+++ b/gbfs-validator-java/src/main/java/org/entur/gbfs/validation/validator/rules/NoInvalidReferenceToPricingPlansInVehicleTypes.java
@@ -45,11 +45,11 @@ public DocumentContext addRule(DocumentContext rawSchemaDocumentContext, Map<Str
         JSONObject defaultPricingPlanIdSchema = rawSchemaDocumentContext.read(DEFAULT_PRICING_PLAN_ID_SCHEMA_PATH);
         JSONObject pricingPlanIdsSchema = rawSchemaDocumentContext.read(PRICING_PLAN_IDS_SCHEMA_PATH);
 
-        if (pricingPlansFeed != null) {
-            JSONArray pricingPlanIds = JsonPath.parse(pricingPlansFeed).read("$.data.plans[*].plan_id");
-            defaultPricingPlanIdSchema.put("enum", pricingPlanIds);
-            pricingPlanIdsSchema.put("enum", pricingPlanIds);
-        }
+        JSONArray pricingPlanIds = pricingPlansFeed != null
+            ? JsonPath.parse(pricingPlansFeed).read("$.data.plans[*].plan_id")
+            : new JSONArray();
+        defaultPricingPlanIdSchema.put("enum", pricingPlanIds);
+        pricingPlanIdsSchema.put("enum", pricingPlanIds);
 
         return rawSchemaDocumentContext
                 .set(DEFAULT_PRICING_PLAN_ID_SCHEMA_PATH, defaultPricingPlanIdSchema)
diff --git a/gbfs-validator-java/src/main/java/org/entur/gbfs/validation/validator/rules/NoInvalidReferenceToRegionInStationInformation.java b/gbfs-validator-java/src/main/java/org/entur/gbfs/validation/validator/rules/NoInvalidReferenceToRegionInStationInformation.java
index 91926fd8..0bdf1258 100644
--- a/gbfs-validator-java/src/main/java/org/entur/gbfs/validation/validator/rules/NoInvalidReferenceToRegionInStationInformation.java
+++ b/gbfs-validator-java/src/main/java/org/entur/gbfs/validation/validator/rules/NoInvalidReferenceToRegionInStationInformation.java
@@ -49,12 +49,13 @@ public DocumentContext addRule(
         REGION_IDS_SCHEMA_PATH
     );
 
-    if (systemRegionsFeed != null) {
-      JSONArray regionIds = JsonPath
-        .parse(systemRegionsFeed)
-        .read("$.data.regions[*].region_id");
-      regionIdSchema.put("enum", regionIds);
-    }
+    JSONArray regionIds = systemRegionsFeed != null
+        ? JsonPath
+            .parse(systemRegionsFeed)
+            .read("$.data.regions[*].region_id")
+        : new JSONArray();
+
+    regionIdSchema.put("enum", regionIds);
 
     return rawSchemaDocumentContext
       .set(
diff --git a/gbfs-validator-java/src/main/java/org/entur/gbfs/validation/validator/rules/NoInvalidReferenceToVehicleTypesInStationStatus.java b/gbfs-validator-java/src/main/java/org/entur/gbfs/validation/validator/rules/NoInvalidReferenceToVehicleTypesInStationStatus.java
index e8189abf..e08b5973 100644
--- a/gbfs-validator-java/src/main/java/org/entur/gbfs/validation/validator/rules/NoInvalidReferenceToVehicleTypesInStationStatus.java
+++ b/gbfs-validator-java/src/main/java/org/entur/gbfs/validation/validator/rules/NoInvalidReferenceToVehicleTypesInStationStatus.java
@@ -44,11 +44,12 @@ public DocumentContext addRule(DocumentContext rawSchemaDocumentContext, Map<Str
         JSONObject vehicleTypesAvailableVehicleTypeIdSchema = rawSchemaDocumentContext.read(VEHICLE_TYPES_AVAILABLE_VEHICLE_TYPE_ID_SCHEMA_PATH);
         JSONObject vehicleDocksAvailableVehiecleTypeIdSchema = rawSchemaDocumentContext.read(VEHICLE_DOCKS_AVAILABLE_VEHICLE_TYPE_IDS_SCHEMA_PATH);
 
-        if (vehicleTypesFeed != null) {
-            JSONArray vehicleTypeIds = JsonPath.parse(vehicleTypesFeed).read("$.data.vehicle_types[*].vehicle_type_id");
-            vehicleTypesAvailableVehicleTypeIdSchema.put("enum", vehicleTypeIds);
-            vehicleDocksAvailableVehiecleTypeIdSchema.put("enum", vehicleTypeIds);
-        }
+        // If no vehicle_types feed is defined, then any vehicle_type_id would be invalid
+        JSONArray vehicleTypeIds = vehicleTypesFeed != null
+            ? JsonPath.parse(vehicleTypesFeed).read("$.data.vehicle_types[*].vehicle_type_id")
+            : new JSONArray();
+        vehicleTypesAvailableVehicleTypeIdSchema.put("enum", vehicleTypeIds);
+        vehicleDocksAvailableVehiecleTypeIdSchema.put("enum", vehicleTypeIds);
 
         return rawSchemaDocumentContext
                 .set(VEHICLE_TYPES_AVAILABLE_VEHICLE_TYPE_ID_SCHEMA_PATH, vehicleTypesAvailableVehicleTypeIdSchema)
diff --git a/gbfs-validator-java/src/main/java/org/entur/gbfs/validation/validator/rules/NoMissingOrInvalidVehicleTypeIdInVehicleStatusWhenVehicleTypesExist.java b/gbfs-validator-java/src/main/java/org/entur/gbfs/validation/validator/rules/NoMissingOrInvalidVehicleTypeIdInVehicleStatusWhenVehicleTypesExist.java
index 26c14dff..ad723027 100644
--- a/gbfs-validator-java/src/main/java/org/entur/gbfs/validation/validator/rules/NoMissingOrInvalidVehicleTypeIdInVehicleStatusWhenVehicleTypesExist.java
+++ b/gbfs-validator-java/src/main/java/org/entur/gbfs/validation/validator/rules/NoMissingOrInvalidVehicleTypeIdInVehicleStatusWhenVehicleTypesExist.java
@@ -54,9 +54,11 @@ public DocumentContext addRule(DocumentContext rawSchemaDocumentContext, Map<Str
         JSONObject vehicleItemsSchema = rawSchemaDocumentContext.read(requiredPath);
         if (vehicleTypesFeed != null) {
             vehicleItemsSchema.append("required", "vehicle_type_id");
-            JSONArray vehicleTypeIds = JsonPath.parse(vehicleTypesFeed).read("$.data.vehicle_types[*].vehicle_type_id");
-            vehicleItemsSchema.getJSONObject( "properties").getJSONObject("vehicle_type_id").put("enum", vehicleTypeIds);
         }
+        JSONArray vehicleTypeIds = vehicleTypesFeed != null
+            ? JsonPath.parse(vehicleTypesFeed).read("$.data.vehicle_types[*].vehicle_type_id")
+            : new JSONArray();
+        vehicleItemsSchema.getJSONObject( "properties").getJSONObject("vehicle_type_id").put("enum", vehicleTypeIds);
         return rawSchemaDocumentContext.set(requiredPath, vehicleItemsSchema);
     }
 }
diff --git a/gbfs-validator-java/src/test/java/org/entur/gbfs/validation/validator/GbfsJsonValidatorTest.java b/gbfs-validator-java/src/test/java/org/entur/gbfs/validation/validator/GbfsJsonValidatorTest.java
index d2cea1b8..3c794490 100644
--- a/gbfs-validator-java/src/test/java/org/entur/gbfs/validation/validator/GbfsJsonValidatorTest.java
+++ b/gbfs-validator-java/src/test/java/org/entur/gbfs/validation/validator/GbfsJsonValidatorTest.java
@@ -206,7 +206,7 @@ void testFailed2_3Validation() {
         FileValidationResult result = validator.validateFile("free_bike_status", freeBikeStatus);
 
         Assertions.assertEquals("2.3", result.version());
-        Assertions.assertEquals(3, result.errorsCount());
+        Assertions.assertEquals(6, result.errorsCount());
     }
 
     @Test