diff --git a/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/components/builtin_alert_types/threshold/expression.tsx b/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/components/builtin_alert_types/threshold/expression.tsx
index 873d711e26576..74c8d4fe60d9c 100644
--- a/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/components/builtin_alert_types/threshold/expression.tsx
+++ b/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/components/builtin_alert_types/threshold/expression.tsx
@@ -20,7 +20,7 @@ import {
   EuiFormRow,
   EuiCallOut,
 } from '@elastic/eui';
-import { HttpSetup } from 'kibana/public';
+import { HttpSetup, IUiSettingsClient, ToastsApi } from 'kibana/public';
 import { COMPARATORS, builtInComparators } from '../../../../common/constants';
 import {
   getMatchingIndicesForThresholdAlertType,
@@ -68,6 +68,11 @@ interface IndexThresholdProps {
   setAlertProperty: (key: string, value: any) => void;
   errors: { [key: string]: string[] };
   http: HttpSetup;
+  uiSettings?: IUiSettingsClient;
+  toastNotifications?: Pick<
+    ToastsApi,
+    'get$' | 'add' | 'remove' | 'addSuccess' | 'addWarning' | 'addDanger' | 'addError'
+  >;
 }
 
 export const IndexThresholdAlertTypeExpression: React.FunctionComponent<IndexThresholdProps> = ({
@@ -76,6 +81,8 @@ export const IndexThresholdAlertTypeExpression: React.FunctionComponent<IndexThr
   setAlertProperty,
   errors,
   http,
+  uiSettings,
+  toastNotifications,
 }) => {
   const {
     index,
@@ -433,12 +440,15 @@ export const IndexThresholdAlertTypeExpression: React.FunctionComponent<IndexThr
           />
         </EuiFlexItem>
       </EuiFlexGroup>
-      {canShowVizualization ? null : (
+      {canShowVizualization || !uiSettings ? null : (
         <Fragment>
           <ThresholdVisualization
             alertParams={alertParams}
             aggregationTypes={builtInAggregationTypes}
             comparators={builtInComparators}
+            http={http}
+            toastNotifications={toastNotifications}
+            uiSettings={uiSettings}
           />
         </Fragment>
       )}
diff --git a/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/components/builtin_alert_types/threshold/visualization.tsx b/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/components/builtin_alert_types/threshold/visualization.tsx
index 30217f43af3c5..87355f96d7a46 100644
--- a/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/components/builtin_alert_types/threshold/visualization.tsx
+++ b/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/components/builtin_alert_types/threshold/visualization.tsx
@@ -5,7 +5,7 @@
  */
 
 import React, { Fragment, useEffect, useState } from 'react';
-import { IUiSettingsClient } from 'kibana/public';
+import { IUiSettingsClient, HttpSetup, ToastsApi } from 'kibana/public';
 import { i18n } from '@kbn/i18n';
 import {
   AnnotationDomainTypes,
@@ -26,7 +26,6 @@ import { EuiCallOut, EuiLoadingChart, EuiSpacer, EuiEmptyPrompt, EuiText } from
 import { FormattedMessage } from '@kbn/i18n/react';
 import { npStart } from 'ui/new_platform';
 import { getThresholdAlertVisualizationData } from './lib/api';
-import { useAppDependencies } from '../../../app_context';
 import { AggregationType, Comparator } from '../../../../common/types';
 import { IndexThresholdAlertParams } from '../types';
 
@@ -89,14 +88,22 @@ interface Props {
   comparators: {
     [key: string]: Comparator;
   };
+  http: HttpSetup;
+  uiSettings: IUiSettingsClient;
+  toastNotifications?: Pick<
+    ToastsApi,
+    'get$' | 'add' | 'remove' | 'addSuccess' | 'addWarning' | 'addDanger' | 'addError'
+  >;
 }
 
 export const ThresholdVisualization: React.FunctionComponent<Props> = ({
   alertParams,
   aggregationTypes,
   comparators,
+  http,
+  uiSettings,
+  toastNotifications,
 }) => {
-  const { http, uiSettings, toastNotifications } = useAppDependencies();
   const [isLoading, setIsLoading] = useState(false);
   const [error, setError] = useState<undefined | any>(undefined);
   const [visualizationData, setVisualizationData] = useState<Record<string, any>>([]);
@@ -142,12 +149,14 @@ export const ThresholdVisualization: React.FunctionComponent<Props> = ({
           })
         );
       } catch (e) {
-        toastNotifications.addDanger({
-          title: i18n.translate(
-            'xpack.triggersActionsUI.sections.alertAdd.unableToLoadVisualizationMessage',
-            { defaultMessage: 'Unable to load visualization' }
-          ),
-        });
+        if (toastNotifications) {
+          toastNotifications.addDanger({
+            title: i18n.translate(
+              'xpack.triggersActionsUI.sections.alertAdd.unableToLoadVisualizationMessage',
+              { defaultMessage: 'Unable to load visualization' }
+            ),
+          });
+        }
         setError(e);
       } finally {
         setIsLoading(false);
diff --git a/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/sections/action_connector_form/connector_add_modal.tsx b/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/sections/action_connector_form/connector_add_modal.tsx
index c81393ccc8c2e..55386ec6d61f9 100644
--- a/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/sections/action_connector_form/connector_add_modal.tsx
+++ b/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/sections/action_connector_form/connector_add_modal.tsx
@@ -36,12 +36,12 @@ interface ConnectorAddModalProps {
   setAddModalVisibility: React.Dispatch<React.SetStateAction<boolean>>;
   postSaveEventHandler?: (savedAction: ActionConnector) => void;
   http: HttpSetup;
-  toastNotifications: Pick<
+  alertTypeRegistry: TypeRegistry<AlertTypeModel>;
+  actionTypeRegistry: TypeRegistry<ActionTypeModel>;
+  toastNotifications?: Pick<
     ToastsApi,
     'get$' | 'add' | 'remove' | 'addSuccess' | 'addWarning' | 'addDanger' | 'addError'
   >;
-  alertTypeRegistry: TypeRegistry<AlertTypeModel>;
-  actionTypeRegistry: TypeRegistry<ActionTypeModel>;
 }
 
 export const ConnectorAddModal = ({
@@ -88,17 +88,19 @@ export const ConnectorAddModal = ({
   const onActionConnectorSave = async (): Promise<ActionConnector | undefined> =>
     await createActionConnector({ http, connector })
       .then(savedConnector => {
-        toastNotifications.addSuccess(
-          i18n.translate(
-            'xpack.triggersActionsUI.sections.addModalConnectorForm.updateSuccessNotificationText',
-            {
-              defaultMessage: "Created '{connectorName}'",
-              values: {
-                connectorName: savedConnector.name,
-              },
-            }
-          )
-        );
+        if (toastNotifications) {
+          toastNotifications.addSuccess(
+            i18n.translate(
+              'xpack.triggersActionsUI.sections.addModalConnectorForm.updateSuccessNotificationText',
+              {
+                defaultMessage: "Created '{connectorName}'",
+                values: {
+                  connectorName: savedConnector.name,
+                },
+              }
+            )
+          );
+        }
         return savedConnector;
       })
       .catch(errorRes => {
diff --git a/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/sections/alert_add/alert_add.test.tsx b/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/sections/alert_add/alert_add.test.tsx
index 19ab187f9c136..032330b6f79b6 100644
--- a/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/sections/alert_add/alert_add.test.tsx
+++ b/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/sections/alert_add/alert_add.test.tsx
@@ -96,10 +96,12 @@ describe('alert_add', () => {
             }}
           >
             <AlertAdd
+              consumer={'alerting'}
               http={deps.http}
               actionTypeRegistry={deps.actionTypeRegistry}
               alertTypeRegistry={deps.alertTypeRegistry}
               toastNotifications={deps.toastNotifications}
+              uiSettings={deps.uiSettings}
             />
           </AlertsContextProvider>
         );
diff --git a/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/sections/alert_add/alert_add.tsx b/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/sections/alert_add/alert_add.tsx
index c1bca14d040a6..e3ca8a4962197 100644
--- a/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/sections/alert_add/alert_add.tsx
+++ b/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/sections/alert_add/alert_add.tsx
@@ -18,7 +18,7 @@ import {
   EuiPortal,
 } from '@elastic/eui';
 import { i18n } from '@kbn/i18n';
-import { HttpSetup, ToastsApi } from 'kibana/public';
+import { HttpSetup, ToastsApi, IUiSettingsClient } from 'kibana/public';
 import { useAlertsContext } from '../../context/alerts_context';
 import { Alert, AlertAction, IErrorObject, AlertTypeModel, ActionTypeModel } from '../../../types';
 import { AlertForm, validateBaseProperties } from './alert_form';
@@ -27,25 +27,33 @@ import { createAlert } from '../../lib/alert_api';
 import { TypeRegistry } from '../../type_registry';
 
 interface AlertAddProps {
+  consumer: string;
   http: HttpSetup;
-  toastNotifications: Pick<
+  alertTypeRegistry: TypeRegistry<AlertTypeModel>;
+  actionTypeRegistry: TypeRegistry<ActionTypeModel>;
+  uiSettings?: IUiSettingsClient;
+  toastNotifications?: Pick<
     ToastsApi,
     'get$' | 'add' | 'remove' | 'addSuccess' | 'addWarning' | 'addDanger' | 'addError'
   >;
-  alertTypeRegistry: TypeRegistry<AlertTypeModel>;
-  actionTypeRegistry: TypeRegistry<ActionTypeModel>;
+  alertTypeId?: string;
+  canChangeTrigger?: boolean;
 }
 
 export const AlertAdd = ({
+  consumer,
   http,
   toastNotifications,
   alertTypeRegistry,
   actionTypeRegistry,
+  uiSettings,
+  canChangeTrigger,
+  alertTypeId,
 }: AlertAddProps) => {
   const initialAlert = ({
     params: {},
-    consumer: 'alerting',
-    alertTypeId: null,
+    consumer,
+    alertTypeId,
     schedule: {
       interval: '1m',
     },
@@ -106,14 +114,16 @@ export const AlertAdd = ({
   async function onSaveAlert(): Promise<Alert | undefined> {
     try {
       const newAlert = await createAlert({ http, alert });
-      toastNotifications.addSuccess(
-        i18n.translate('xpack.triggersActionsUI.sections.alertForm.saveSuccessNotificationText', {
-          defaultMessage: "Saved '{alertName}'",
-          values: {
-            alertName: newAlert.name,
-          },
-        })
-      );
+      if (toastNotifications) {
+        toastNotifications.addSuccess(
+          i18n.translate('xpack.triggersActionsUI.sections.alertForm.saveSuccessNotificationText', {
+            defaultMessage: "Saved '{alertName}'",
+            values: {
+              alertName: newAlert.name,
+            },
+          })
+        );
+      }
       return newAlert;
     } catch (errorRes) {
       setServerError(errorRes);
@@ -146,10 +156,12 @@ export const AlertAdd = ({
             actionTypeRegistry={actionTypeRegistry}
             alertTypeRegistry={alertTypeRegistry}
             toastNotifications={toastNotifications}
+            uiSettings={uiSettings}
             alert={alert}
             dispatch={dispatch}
             errors={errors}
             serverError={serverError}
+            canChangeTrigger={canChangeTrigger}
           />
         </EuiFlyoutBody>
         <EuiFlyoutFooter>
diff --git a/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/sections/alert_add/alert_form.test.tsx b/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/sections/alert_add/alert_form.test.tsx
index 6bafe82cf8cf5..6af1d8334cf57 100644
--- a/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/sections/alert_add/alert_form.test.tsx
+++ b/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/sections/alert_add/alert_form.test.tsx
@@ -108,6 +108,7 @@ describe('alert_form', () => {
               actionTypeRegistry={deps.actionTypeRegistry}
               alertTypeRegistry={deps.alertTypeRegistry}
               toastNotifications={deps.toastNotifications}
+              uiSettings={deps.uiSettings}
             />
           );
         }
@@ -172,6 +173,7 @@ describe('alert_form', () => {
               actionTypeRegistry={deps.actionTypeRegistry}
               alertTypeRegistry={deps.alertTypeRegistry}
               toastNotifications={deps.toastNotifications}
+              uiSettings={deps.uiSettings}
             />
           );
         }
diff --git a/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/sections/alert_add/alert_form.tsx b/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/sections/alert_add/alert_form.tsx
index 4fa06def066a0..49fe4d9101631 100644
--- a/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/sections/alert_add/alert_form.tsx
+++ b/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/sections/alert_add/alert_form.tsx
@@ -28,7 +28,7 @@ import {
   EuiEmptyPrompt,
   EuiButtonEmpty,
 } from '@elastic/eui';
-import { HttpSetup, ToastsApi } from 'kibana/public';
+import { HttpSetup, ToastsApi, IUiSettingsClient } from 'kibana/public';
 import { loadAlertTypes } from '../../lib/alert_api';
 import { loadActionTypes, loadAllActions } from '../../lib/action_connector_api';
 import { AlertReducerAction } from './alert_reducer';
@@ -82,19 +82,20 @@ export function validateBaseProperties(alertObject: Alert) {
 
 interface AlertFormProps {
   alert: Alert;
-  canChangeTrigger?: boolean; // to hide Change trigger button
   dispatch: React.Dispatch<AlertReducerAction>;
   errors: IErrorObject;
   serverError: {
     body: { message: string; error: string };
   } | null;
   http: HttpSetup;
-  toastNotifications: Pick<
+  alertTypeRegistry: TypeRegistry<AlertTypeModel>;
+  actionTypeRegistry: TypeRegistry<ActionTypeModel>;
+  uiSettings?: IUiSettingsClient;
+  toastNotifications?: Pick<
     ToastsApi,
     'get$' | 'add' | 'remove' | 'addSuccess' | 'addWarning' | 'addDanger' | 'addError'
   >;
-  alertTypeRegistry: TypeRegistry<AlertTypeModel>;
-  actionTypeRegistry: TypeRegistry<ActionTypeModel>;
+  canChangeTrigger?: boolean; // to hide Change trigger button
 }
 
 interface ActiveActionConnectorState {
@@ -112,6 +113,7 @@ export const AlertForm = ({
   toastNotifications,
   alertTypeRegistry,
   actionTypeRegistry,
+  uiSettings,
 }: AlertFormProps) => {
   const [alertTypeModel, setAlertTypeModel] = useState<AlertTypeModel | null>(
     alertTypeRegistry.get(alert.alertTypeId)
@@ -144,12 +146,14 @@ export const AlertForm = ({
         }
         setActionTypesIndex(index);
       } catch (e) {
-        toastNotifications.addDanger({
-          title: i18n.translate(
-            'xpack.triggersActionsUI.sections.alertForm.unableToLoadActionTypesMessage',
-            { defaultMessage: 'Unable to load action types' }
-          ),
-        });
+        if (toastNotifications) {
+          toastNotifications.addDanger({
+            title: i18n.translate(
+              'xpack.triggersActionsUI.sections.alertForm.unableToLoadActionTypesMessage',
+              { defaultMessage: 'Unable to load action types' }
+            ),
+          });
+        }
       } finally {
         setIsLoadingActionTypes(false);
       }
@@ -175,12 +179,14 @@ export const AlertForm = ({
         }
         setAlertTypesIndex(index);
       } catch (e) {
-        toastNotifications.addDanger({
-          title: i18n.translate(
-            'xpack.triggersActionsUI.sections.alertForm.unableToLoadAlertTypesMessage',
-            { defaultMessage: 'Unable to load alert types' }
-          ),
-        });
+        if (toastNotifications) {
+          toastNotifications.addDanger({
+            title: i18n.translate(
+              'xpack.triggersActionsUI.sections.alertForm.unableToLoadAlertTypesMessage',
+              { defaultMessage: 'Unable to load alert types' }
+            ),
+          });
+        }
       }
     })();
     // eslint-disable-next-line react-hooks/exhaustive-deps
@@ -218,14 +224,16 @@ export const AlertForm = ({
       const actionsResponse = await loadAllActions({ http });
       setConnectors(actionsResponse.data);
     } catch (e) {
-      toastNotifications.addDanger({
-        title: i18n.translate(
-          'xpack.triggersActionsUI.sections.alertForm.unableToLoadActionsMessage',
-          {
-            defaultMessage: 'Unable to load connectors',
-          }
-        ),
-      });
+      if (toastNotifications) {
+        toastNotifications.addDanger({
+          title: i18n.translate(
+            'xpack.triggersActionsUI.sections.alertForm.unableToLoadActionsMessage',
+            {
+              defaultMessage: 'Unable to load connectors',
+            }
+          ),
+        });
+      }
     }
   }
 
@@ -624,6 +632,9 @@ export const AlertForm = ({
           errors={errors}
           setAlertParams={setAlertParams}
           setAlertProperty={setAlertProperty}
+          http={http}
+          toastNotifications={toastNotifications}
+          uiSettings={uiSettings}
         />
       ) : null}
       <EuiSpacer size="xl" />
diff --git a/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/sections/alerts_list/components/alerts_list.tsx b/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/sections/alerts_list/components/alerts_list.tsx
index 0bf4de876e5a9..0a2d7328267d4 100644
--- a/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/sections/alerts_list/components/alerts_list.tsx
+++ b/x-pack/legacy/plugins/triggers_actions_ui/np_ready/public/application/sections/alerts_list/components/alerts_list.tsx
@@ -56,6 +56,7 @@ export const AlertsList: React.FunctionComponent = () => {
     capabilities,
     alertTypeRegistry,
     actionTypeRegistry,
+    uiSettings,
   } = useAppDependencies();
   const canDelete = hasDeleteAlertsCapability(capabilities);
   const canSave = hasSaveAlertsCapability(capabilities);
@@ -395,10 +396,12 @@ export const AlertsList: React.FunctionComponent = () => {
         }}
       >
         <AlertAdd
+          consumer={'alerting'}
           http={http}
           actionTypeRegistry={actionTypeRegistry}
           alertTypeRegistry={alertTypeRegistry}
           toastNotifications={toastNotifications}
+          uiSettings={uiSettings}
         />
       </AlertsContextProvider>
     </section>