diff --git a/lib/process-services-cloud/src/lib/form/components/widgets/attach-file/attach-file-cloud-widget.component.spec.ts b/lib/process-services-cloud/src/lib/form/components/widgets/attach-file/attach-file-cloud-widget.component.spec.ts
index edc2e47d64..43d967532f 100644
--- a/lib/process-services-cloud/src/lib/form/components/widgets/attach-file/attach-file-cloud-widget.component.spec.ts
+++ b/lib/process-services-cloud/src/lib/form/components/widgets/attach-file/attach-file-cloud-widget.component.spec.ts
@@ -34,7 +34,7 @@ import {
 } from '@alfresco/adf-core';
 import { ProcessServiceCloudTestingModule } from '../../../../testing/process-service-cloud.testing.module';
 import { CUSTOM_ELEMENTS_SCHEMA } from '@angular/core';
-import { ContentModule } from '@alfresco/adf-content-services';
+import { ContentModule, ContentNodeSelectorPanelService } from '@alfresco/adf-content-services';
 import { By } from '@angular/platform-browser';
 import { of } from 'rxjs';
 import { Node } from '@alfresco/js-api';
@@ -51,6 +51,7 @@ describe('AttachFileCloudWidgetComponent', () => {
     let formService: FormService;
     let downloadService: DownloadService;
     let alfrescoApiService: AlfrescoApiService;
+    let contentNodeSelectorPanelService: ContentNodeSelectorPanelService;
     let apiServiceSpy: jasmine.Spy;
     let contentModelFormFileHandlerSpy: jasmine.Spy;
     let updateFormSpy: jasmine.Spy;
@@ -208,6 +209,7 @@ describe('AttachFileCloudWidgetComponent', () => {
         );
         formService = TestBed.inject(FormService);
         alfrescoApiService = TestBed.inject(AlfrescoApiService);
+        contentNodeSelectorPanelService = TestBed.inject(ContentNodeSelectorPanelService);
     }));
 
     afterEach(() => {
@@ -326,6 +328,13 @@ describe('AttachFileCloudWidgetComponent', () => {
         });
     });
 
+    it('should reset the custom models when the component gets destroyed', () => {
+        contentNodeSelectorPanelService.customModels = ['mock-value'];
+        widget.ngOnDestroy();
+
+        expect(contentNodeSelectorPanelService.customModels).toEqual([]);
+    });
+
     describe('destinationFolderPath', () => {
         let openUploadFileDialogSpy: jasmine.Spy;
 
diff --git a/lib/process-services-cloud/src/lib/form/components/widgets/attach-file/attach-file-cloud-widget.component.ts b/lib/process-services-cloud/src/lib/form/components/widgets/attach-file/attach-file-cloud-widget.component.ts
index 7b5f124d92..55cc013502 100644
--- a/lib/process-services-cloud/src/lib/form/components/widgets/attach-file/attach-file-cloud-widget.component.ts
+++ b/lib/process-services-cloud/src/lib/form/components/widgets/attach-file/attach-file-cloud-widget.component.ts
@@ -17,7 +17,7 @@
 
 /* tslint:disable:component-selector */
 
-import { Component, OnInit, ViewEncapsulation } from '@angular/core';
+import { Component, OnDestroy, OnInit, ViewEncapsulation } from '@angular/core';
 import {
     FormService,
     LogService,
@@ -53,7 +53,7 @@ import { ContentNodeSelectorPanelService } from '@alfresco/adf-content-services'
     },
     encapsulation: ViewEncapsulation.None
 })
-export class AttachFileCloudWidgetComponent extends UploadCloudWidgetComponent implements OnInit {
+export class AttachFileCloudWidgetComponent extends UploadCloudWidgetComponent implements OnInit, OnDestroy {
 
     static ALIAS_ROOT_FOLDER = '-root-';
     static ALIAS_USER_FOLDER = '-my-';
@@ -217,4 +217,8 @@ export class AttachFileCloudWidgetComponent extends UploadCloudWidgetComponent i
     isValidAlias(alias: string): boolean {
         return alias && AttachFileCloudWidgetComponent.VALID_ALIAS.includes(alias);
     }
+
+    ngOnDestroy() {
+        this.contentNodeSelectorPanelService.customModels = [];
+    }
 }