diff --git a/app/kubernetes/react/components/index.ts b/app/kubernetes/react/components/index.ts
index 82fbe2ac8..bf0613ea2 100644
--- a/app/kubernetes/react/components/index.ts
+++ b/app/kubernetes/react/components/index.ts
@@ -15,6 +15,7 @@ export const componentsModule = angular
       'onChangeAvailability',
       'description',
       'ingressControllers',
+      'isLoading',
       'noIngressControllerLabel',
       'view',
     ])
diff --git a/app/kubernetes/views/configure/configure.html b/app/kubernetes/views/configure/configure.html
index 7a5a16415..879a034cf 100644
--- a/app/kubernetes/views/configure/configure.html
+++ b/app/kubernetes/views/configure/configure.html
@@ -44,6 +44,7 @@
             <ingress-class-datatable
               on-change-availability="(ctrl.onChangeAvailability)"
               ingress-controllers="ctrl.originalIngressControllers"
+              is-loading="ctrl.isIngressControllersLoading"
               description="'Enabling ingress controllers in your cluster allows them to be available in the Portainer UI for users to publish applications over HTTP/HTTPS. A controller must have a class name for it to be included here.'"
               no-ingress-controller-label="'No supported ingress controllers found.'"
               view="'cluster'"
diff --git a/app/kubernetes/views/configure/configureController.js b/app/kubernetes/views/configure/configureController.js
index 512e00e5f..e3f71bb02 100644
--- a/app/kubernetes/views/configure/configureController.js
+++ b/app/kubernetes/views/configure/configureController.js
@@ -198,7 +198,7 @@ class KubernetesConfigureController {
       this.assignFormValuesToEndpoint(this.endpoint, storageClasses, ingressClasses);
       await this.EndpointService.updateEndpoint(this.endpoint.Id, this.endpoint);
       // updateIngressControllerClassMap must be done after updateEndpoint, as a hacky workaround. A better solution: saving ingresscontrollers somewhere else, is being discussed
-      await updateIngressControllerClassMap(this.state.endpointId, this.ingressControllers);
+      await updateIngressControllerClassMap(this.state.endpointId, this.ingressControllers || []);
       this.state.isSaving = true;
       const storagePromises = _.map(storageClasses, (storageClass) => {
         const oldStorageClass = _.find(this.oldStorageClasses, { Name: storageClass.Name });
@@ -224,19 +224,7 @@ class KubernetesConfigureController {
   }
 
   configure() {
-    const toDel = _.filter(this.formValues.IngressClasses, { NeedsDeletion: true });
-    if (toDel.length) {
-      this.ModalService.confirmUpdate(
-        `Removing ingress controllers may cause applications to be unaccessible. All ingress configurations from affected applications will be removed.<br/><br/>Do you wish to continue?`,
-        (confirmed) => {
-          if (confirmed) {
-            return this.$async(this.configureAsync);
-          }
-        }
-      );
-    } else {
-      return this.$async(this.configureAsync);
-    }
+    return this.$async(this.configureAsync);
   }
   /* #endregion */
 
@@ -292,6 +280,7 @@ class KubernetesConfigureController {
       IngressAvailabilityPerNamespace: false,
     };
 
+    this.isIngressControllersLoading = true;
     try {
       this.availableAccessModes = new KubernetesStorageClassAccessPolicies();
 
@@ -332,6 +321,7 @@ class KubernetesConfigureController {
       this.Notifications.error('Failure', err, 'Unable to retrieve environment configuration');
     } finally {
       this.state.viewReady = true;
+      this.isIngressControllersLoading = false;
     }
 
     window.addEventListener('beforeunload', this.onBeforeOnload);
diff --git a/app/kubernetes/views/resource-pools/create/createResourcePoolController.js b/app/kubernetes/views/resource-pools/create/createResourcePoolController.js
index 319c66e74..ae139bd3a 100644
--- a/app/kubernetes/views/resource-pools/create/createResourcePoolController.js
+++ b/app/kubernetes/views/resource-pools/create/createResourcePoolController.js
@@ -109,7 +109,7 @@ class KubernetesCreateResourcePoolController {
         this.checkDefaults();
         this.formValues.Owner = this.Authentication.getUserDetails().username;
         await this.KubernetesResourcePoolService.create(this.formValues);
-        await updateIngressControllerClassMap(this.endpoint.Id, this.ingressControllers, this.formValues.Name);
+        await updateIngressControllerClassMap(this.endpoint.Id, this.ingressControllers || [], this.formValues.Name);
         this.Notifications.success('Namespace successfully created', this.formValues.Name);
         this.$state.go('kubernetes.resourcePools');
       } catch (err) {
diff --git a/app/kubernetes/views/resource-pools/edit/resourcePoolController.js b/app/kubernetes/views/resource-pools/edit/resourcePoolController.js
index 444c688fb..331082811 100644
--- a/app/kubernetes/views/resource-pools/edit/resourcePoolController.js
+++ b/app/kubernetes/views/resource-pools/edit/resourcePoolController.js
@@ -144,7 +144,7 @@ class KubernetesResourcePoolController {
     try {
       this.checkDefaults();
       await this.KubernetesResourcePoolService.patch(oldFormValues, newFormValues);
-      await updateIngressControllerClassMap(this.endpoint.Id, this.ingressControllers, this.formValues.Name);
+      await updateIngressControllerClassMap(this.endpoint.Id, this.ingressControllers || [], this.formValues.Name);
       this.Notifications.success('Namespace successfully updated', this.pool.Namespace.Name);
       this.$state.reload(this.$state.current);
     } catch (err) {
diff --git a/app/react/kubernetes/cluster/ingressClass/IngressClassDatatable/IngressClassDatatable.tsx b/app/react/kubernetes/cluster/ingressClass/IngressClassDatatable/IngressClassDatatable.tsx
index 2d33de173..2412e0c29 100644
--- a/app/react/kubernetes/cluster/ingressClass/IngressClassDatatable/IngressClassDatatable.tsx
+++ b/app/react/kubernetes/cluster/ingressClass/IngressClassDatatable/IngressClassDatatable.tsx
@@ -19,6 +19,7 @@ interface Props {
   ) => void; // angular function to save the ingress class list
   description: string;
   ingressControllers: IngressControllerClassMap[] | undefined;
+  isLoading: boolean;
   noIngressControllerLabel: string;
   view: string;
 }
@@ -27,6 +28,7 @@ export function IngressClassDatatable({
   onChangeAvailability,
   description,
   ingressControllers,
+  isLoading,
   noIngressControllerLabel,
   view,
 }: Props) {
@@ -42,7 +44,7 @@ export function IngressClassDatatable({
         storageKey="ingressClasses"
         columns={columns}
         settingsStore={settings}
-        isLoading={!ingControllerFormValues}
+        isLoading={isLoading}
         emptyContentLabel={noIngressControllerLabel}
         titleOptions={{
           icon: 'database',