diff --git a/js/ui/form/ui.form.layout_manager.js b/js/ui/form/ui.form.layout_manager.js
index 369ccbbaf289..977abf7ae20c 100644
--- a/js/ui/form/ui.form.layout_manager.js
+++ b/js/ui/form/ui.form.layout_manager.js
@@ -727,7 +727,7 @@ var LayoutManager = Widget.inherit({
         var fieldName = this._getFieldLabelName(item),
             validationRules = this._prepareValidationRules(item.validationRules, item.isRequired, item.itemType, fieldName);
 
-        if(Array.isArray(validationRules)) {
+        if(Array.isArray(validationRules) && validationRules.length) {
             this._createComponent($editor, Validator, {
                 validationRules: validationRules,
                 validationGroup: this.option("validationGroup")
diff --git a/js/ui/grid_core/ui.grid_core.editing.js b/js/ui/grid_core/ui.grid_core.editing.js
index 18e666c1e142..4096c329a68e 100644
--- a/js/ui/grid_core/ui.grid_core.editing.js
+++ b/js/ui/grid_core/ui.grid_core.editing.js
@@ -1514,6 +1514,7 @@ var EditingController = modules.ViewController.inherit((function() {
                             }
                             if(item.isRequired === undefined && column.validationRules) {
                                 item.isRequired = column.validationRules.some(function(rule) { return rule.type === "required"; });
+                                item.validationRules = [];
                             }
 
                             var itemVisible = typeUtils.isDefined(item.visible) ? item.visible : true;
diff --git a/testing/tests/DevExpress.ui.widgets.dataGrid/editing.tests.js b/testing/tests/DevExpress.ui.widgets.dataGrid/editing.tests.js
index 161c72a0faae..b93dc902c636 100644
--- a/testing/tests/DevExpress.ui.widgets.dataGrid/editing.tests.js
+++ b/testing/tests/DevExpress.ui.widgets.dataGrid/editing.tests.js
@@ -9369,7 +9369,7 @@ QUnit.test("Required mark should be rendered for column with validationRules whe
         },
         columns: [{
             dataField: 'name',
-            validationRules: [{ type: "required" }]
+            validationRules: [{ type: "required", message: "Name!" }, { type: "stringLength", max: 20 }]
         }, {
             dataField: "lastName",
             formItem: {
@@ -9388,6 +9388,10 @@ QUnit.test("Required mark should be rendered for column with validationRules whe
     assert.equal($rowElement.find(".dx-validator").length, 2, "validator count");
     assert.equal($rowElement.find(".dx-field-item").eq(0).find(".dx-field-item-required-mark").length, 1, "required mark in first item");
     assert.equal($rowElement.find(".dx-field-item").eq(1).find(".dx-field-item-required-mark").length, 0, "no required mark in second item");
+    var firstValidationRules = $rowElement.find(".dx-validator").eq(0).dxValidator("option", "validationRules");
+    assert.equal(firstValidationRules.length, 2, "two validation rules for first column"); // T652579, T651049
+    assert.equal(firstValidationRules[0].message, "Name!", "first validation rule has correct message"); // T652602
+    assert.equal(firstValidationRules[1].type, "stringLength", "second validation rule type for first column"); // T652579, T651049
 });
 
 // T472946