diff --git a/src/style_manager/view/PropertyStackView.js b/src/style_manager/view/PropertyStackView.ts
similarity index 84%
rename from src/style_manager/view/PropertyStackView.js
rename to src/style_manager/view/PropertyStackView.ts
index 3b7b3e08a..f7646260b 100644
--- a/src/style_manager/view/PropertyStackView.js
+++ b/src/style_manager/view/PropertyStackView.ts
@@ -1,8 +1,13 @@
 import PropertyCompositeView from './PropertyCompositeView';
 import PropertiesView from './PropertiesView';
 import LayersView from './LayersView';
+import PropertyStack from '../model/PropertyStack';
 
 export default class PropertyStackView extends PropertyCompositeView {
+  // @ts-ignore
+  model: PropertyStack;
+  layersView?: LayersView;
+
   events() {
     return {
       ...PropertyCompositeView.prototype.events(),
@@ -43,17 +48,18 @@ export default class PropertyStackView extends PropertyCompositeView {
 
   remove() {
     this.layersView?.remove();
-    PropertyCompositeView.prototype.remove.apply(this, arguments);
+    PropertyCompositeView.prototype.remove.apply(this, arguments as any);
+    return this;
   }
 
   clearCached() {
-    PropertyCompositeView.prototype.clearCached.apply(this, arguments);
-    this.layersView = null;
+    PropertyCompositeView.prototype.clearCached.apply(this, arguments as any);
+    delete this.layersView;
   }
 
   onRender() {
     const { model, el, config } = this;
-    const props = model.get('properties');
+    const props = model.get('properties')!;
 
     if (props.length && !this.props) {
       const propsView = new PropertiesView({
@@ -62,6 +68,7 @@ export default class PropertyStackView extends PropertyCompositeView {
           highlightComputed: false,
           highlightChanged: false,
         },
+        // @ts-ignore
         collection: props,
         parent: this,
       });
@@ -69,12 +76,13 @@ export default class PropertyStackView extends PropertyCompositeView {
 
       const layersView = new LayersView({
         collection: model.__getLayers(),
+        // @ts-ignore
         config,
         propertyView: this,
       });
       layersView.render();
 
-      const fieldEl = el.querySelector('[data-layers-wrapper]');
+      const fieldEl = el.querySelector('[data-layers-wrapper]')!;
       fieldEl.appendChild(layersView.el);
       this.props = propsView;
       this.layersView = layersView;