diff --git a/kafka-ui-react-app/src/components/Topics/Details/Messages/MessagesTable.tsx b/kafka-ui-react-app/src/components/Topics/Details/Messages/MessagesTable.tsx
index 5073673f86df28e231bc65dd4ba2716e03a3e7b6..e6e8e7bee17c31d6837f250996fd1e1b97f4e3e2 100644
--- a/kafka-ui-react-app/src/components/Topics/Details/Messages/MessagesTable.tsx
+++ b/kafka-ui-react-app/src/components/Topics/Details/Messages/MessagesTable.tsx
@@ -1,8 +1,6 @@
 import React from 'react';
 import { TopicMessage } from 'generated-sources';
-import CustomParamButton, {
-  CustomParamButtonType,
-} from '../../shared/Form/CustomParams/CustomParamButton';
+import CustomParamButton from 'components/Topics/shared/Form/CustomParams/CustomParamButton';
 import MessageItem from './MessageItem';
 
 interface MessagesTableProp {
@@ -44,7 +42,7 @@ const MessagesTable: React.FC<MessagesTableProp> = ({ messages, onNext }) => {
         <div className="column is-full">
           <CustomParamButton
             className="is-link is-pulled-right"
-            type={CustomParamButtonType.chevronRight}
+            type="fa-chevron-right"
             onClick={onNext}
             btnText="Next"
           />
diff --git a/kafka-ui-react-app/src/components/Topics/shared/Form/CustomParams/CustomParamAction.tsx b/kafka-ui-react-app/src/components/Topics/shared/Form/CustomParams/CustomParamAction.tsx
index c97c3f194db0c4987d41eff02e46daa2687fcce1..a6909024a9737d9b88a5eaad2f1eebceaa59d0b0 100644
--- a/kafka-ui-react-app/src/components/Topics/shared/Form/CustomParams/CustomParamAction.tsx
+++ b/kafka-ui-react-app/src/components/Topics/shared/Form/CustomParams/CustomParamAction.tsx
@@ -1,5 +1,5 @@
 import React from 'react';
-import CustomParamButton, { CustomParamButtonType } from './CustomParamButton';
+import CustomParamButton from './CustomParamButton';
 
 interface Props {
   index: string;
@@ -11,7 +11,7 @@ const CustomParamAction: React.FC<Props> = ({ index, onRemove }) => (
     <label className="label">&nbsp;</label>
     <CustomParamButton
       className="is-danger"
-      type={CustomParamButtonType.minus}
+      type="fa-minus"
       onClick={() => onRemove(index)}
     />
   </>
diff --git a/kafka-ui-react-app/src/components/Topics/shared/Form/CustomParams/CustomParamButton.tsx b/kafka-ui-react-app/src/components/Topics/shared/Form/CustomParams/CustomParamButton.tsx
index 0276beabc10d2f8f1c694adfc8b7afe076736eb0..27e1f6dc60567526fd0d6d8f562dafe55012bec2 100644
--- a/kafka-ui-react-app/src/components/Topics/shared/Form/CustomParams/CustomParamButton.tsx
+++ b/kafka-ui-react-app/src/components/Topics/shared/Form/CustomParams/CustomParamButton.tsx
@@ -1,15 +1,9 @@
 import React from 'react';
 
-export enum CustomParamButtonType {
-  plus = 'fa-plus',
-  minus = 'fa-minus',
-  chevronRight = 'fa-chevron-right',
-}
-
 interface Props {
   onClick: (event: React.MouseEvent<HTMLButtonElement>) => void;
   className: string;
-  type: CustomParamButtonType;
+  type: 'fa-plus' | 'fa-minus' | 'fa-chevron-right';
   btnText?: string;
 }
 
diff --git a/kafka-ui-react-app/src/components/Topics/shared/Form/CustomParams/CustomParams.tsx b/kafka-ui-react-app/src/components/Topics/shared/Form/CustomParams/CustomParams.tsx
index e11c3dbd636045cd6caf8aeca1d48dd30311561d..6f84a7b372de2c7ec497853b87f549ff97f1c746 100644
--- a/kafka-ui-react-app/src/components/Topics/shared/Form/CustomParams/CustomParams.tsx
+++ b/kafka-ui-react-app/src/components/Topics/shared/Form/CustomParams/CustomParams.tsx
@@ -7,7 +7,7 @@ import {
   TopicConfigByName,
   TopicConfigParams,
 } from 'redux/interfaces';
-import CustomParamButton, { CustomParamButtonType } from './CustomParamButton';
+import CustomParamButton from './CustomParamButton';
 import CustomParamField from './CustomParamField';
 
 export const INDEX_PREFIX = 'customParams';
@@ -79,7 +79,7 @@ const CustomParams: React.FC<Props> = ({ isSubmitting, config }) => {
         <div className="column">
           <CustomParamButton
             className="is-success"
-            type={CustomParamButtonType.plus}
+            type="fa-plus"
             onClick={onAdd}
             btnText="Add Custom Parameter"
           />
diff --git a/kafka-ui-react-app/src/redux/actionType.ts b/kafka-ui-react-app/src/redux/actionType.ts
deleted file mode 100644
index 7df9b142e06b833fb62a44d1e2b55b9ddb2489bd..0000000000000000000000000000000000000000
--- a/kafka-ui-react-app/src/redux/actionType.ts
+++ /dev/null
@@ -1,55 +0,0 @@
-enum ActionType {
-  GET_CLUSTERS__REQUEST = 'GET_CLUSTERS__REQUEST',
-  GET_CLUSTERS__SUCCESS = 'GET_CLUSTERS__SUCCESS',
-  GET_CLUSTERS__FAILURE = 'GET_CLUSTERS__FAILURE',
-
-  GET_CLUSTER_STATS__REQUEST = 'GET_CLUSTER_STATUS__REQUEST',
-  GET_CLUSTER_STATS__SUCCESS = 'GET_CLUSTER_STATUS__SUCCESS',
-  GET_CLUSTER_STATS__FAILURE = 'GET_CLUSTER_STATUS__FAILURE',
-
-  GET_CLUSTER_METRICS__REQUEST = 'GET_CLUSTER_METRICS__REQUEST',
-  GET_CLUSTER_METRICS__SUCCESS = 'GET_CLUSTER_METRICS__SUCCESS',
-  GET_CLUSTER_METRICS__FAILURE = 'GET_CLUSTER_METRICS__FAILURE',
-
-  GET_BROKERS__REQUEST = 'GET_BROKERS__REQUEST',
-  GET_BROKERS__SUCCESS = 'GET_BROKERS__SUCCESS',
-  GET_BROKERS__FAILURE = 'GET_BROKERS__FAILURE',
-
-  GET_BROKER_METRICS__REQUEST = 'GET_BROKER_METRICS__REQUEST',
-  GET_BROKER_METRICS__SUCCESS = 'GET_BROKER_METRICS__SUCCESS',
-  GET_BROKER_METRICS__FAILURE = 'GET_BROKER_METRICS__FAILURE',
-
-  GET_TOPICS__REQUEST = 'GET_TOPICS__REQUEST',
-  GET_TOPICS__SUCCESS = 'GET_TOPICS__SUCCESS',
-  GET_TOPICS__FAILURE = 'GET_TOPICS__FAILURE',
-
-  GET_TOPIC_MESSAGES__REQUEST = 'GET_TOPIC_MESSAGES__REQUEST',
-  GET_TOPIC_MESSAGES__SUCCESS = 'GET_TOPIC_MESSAGES__SUCCESS',
-  GET_TOPIC_MESSAGES__FAILURE = 'GET_TOPIC_MESSAGES__FAILURE',
-
-  GET_TOPIC_DETAILS__REQUEST = 'GET_TOPIC_DETAILS__REQUEST',
-  GET_TOPIC_DETAILS__SUCCESS = 'GET_TOPIC_DETAILS__SUCCESS',
-  GET_TOPIC_DETAILS__FAILURE = 'GET_TOPIC_DETAILS__FAILURE',
-
-  GET_TOPIC_CONFIG__REQUEST = 'GET_TOPIC_CONFIG__REQUEST',
-  GET_TOPIC_CONFIG__SUCCESS = 'GET_TOPIC_CONFIG__SUCCESS',
-  GET_TOPIC_CONFIG__FAILURE = 'GET_TOPIC_CONFIG__FAILURE',
-
-  POST_TOPIC__REQUEST = 'POST_TOPIC__REQUEST',
-  POST_TOPIC__SUCCESS = 'POST_TOPIC__SUCCESS',
-  POST_TOPIC__FAILURE = 'POST_TOPIC__FAILURE',
-
-  PATCH_TOPIC__REQUEST = 'PATCH_TOPIC__REQUEST',
-  PATCH_TOPIC__SUCCESS = 'PATCH_TOPIC__SUCCESS',
-  PATCH_TOPIC__FAILURE = 'PATCH_TOPIC__FAILURE',
-
-  GET_CONSUMER_GROUPS__REQUEST = 'GET_CONSUMER_GROUPS__REQUEST',
-  GET_CONSUMER_GROUPS__SUCCESS = 'GET_CONSUMER_GROUPS__SUCCESS',
-  GET_CONSUMER_GROUPS__FAILURE = 'GET_CONSUMER_GROUPS__FAILURE',
-
-  GET_CONSUMER_GROUP_DETAILS__REQUEST = 'GET_CONSUMER_GROUP_DETAILS__REQUEST',
-  GET_CONSUMER_GROUP_DETAILS__SUCCESS = 'GET_CONSUMER_GROUP_DETAILS__SUCCESS',
-  GET_CONSUMER_GROUP_DETAILS__FAILURE = 'GET_CONSUMER_GROUP_DETAILS__FAILURE',
-}
-
-export default ActionType;
diff --git a/kafka-ui-react-app/src/redux/actions/actions.ts b/kafka-ui-react-app/src/redux/actions/actions.ts
index 679cbd93c1be9e19c8ac3bcf7f4e04ab190bee85..747c1e6365588846f0d55a355a5812667acbb2c2 100644
--- a/kafka-ui-react-app/src/redux/actions/actions.ts
+++ b/kafka-ui-react-app/src/redux/actions/actions.ts
@@ -1,5 +1,4 @@
 import { createAsyncAction } from 'typesafe-actions';
-import ActionType from 'redux/actionType';
 import { TopicName, ConsumerGroupID } from 'redux/interfaces';
 
 import {
@@ -17,81 +16,81 @@ import {
 } from 'generated-sources';
 
 export const fetchClusterStatsAction = createAsyncAction(
-  ActionType.GET_CLUSTER_STATS__REQUEST,
-  ActionType.GET_CLUSTER_STATS__SUCCESS,
-  ActionType.GET_CLUSTER_STATS__FAILURE
+  'GET_CLUSTER_STATUS__REQUEST',
+  'GET_CLUSTER_STATUS__SUCCESS',
+  'GET_CLUSTER_STATUS__FAILURE'
 )<undefined, ClusterStats, undefined>();
 
 export const fetchClusterMetricsAction = createAsyncAction(
-  ActionType.GET_CLUSTER_METRICS__REQUEST,
-  ActionType.GET_CLUSTER_METRICS__SUCCESS,
-  ActionType.GET_CLUSTER_METRICS__FAILURE
+  'GET_CLUSTER_METRICS__REQUEST',
+  'GET_CLUSTER_METRICS__SUCCESS',
+  'GET_CLUSTER_METRICS__FAILURE'
 )<undefined, ClusterMetrics, undefined>();
 
 export const fetchBrokersAction = createAsyncAction(
-  ActionType.GET_BROKERS__REQUEST,
-  ActionType.GET_BROKERS__SUCCESS,
-  ActionType.GET_BROKERS__FAILURE
+  'GET_BROKERS__REQUEST',
+  'GET_BROKERS__SUCCESS',
+  'GET_BROKERS__FAILURE'
 )<undefined, Broker[], undefined>();
 
 export const fetchBrokerMetricsAction = createAsyncAction(
-  ActionType.GET_BROKER_METRICS__REQUEST,
-  ActionType.GET_BROKER_METRICS__SUCCESS,
-  ActionType.GET_BROKER_METRICS__FAILURE
+  'GET_BROKER_METRICS__REQUEST',
+  'GET_BROKER_METRICS__SUCCESS',
+  'GET_BROKER_METRICS__FAILURE'
 )<undefined, BrokerMetrics, undefined>();
 
 export const fetchClusterListAction = createAsyncAction(
-  ActionType.GET_CLUSTERS__REQUEST,
-  ActionType.GET_CLUSTERS__SUCCESS,
-  ActionType.GET_CLUSTERS__FAILURE
+  'GET_CLUSTERS__REQUEST',
+  'GET_CLUSTERS__SUCCESS',
+  'GET_CLUSTERS__FAILURE'
 )<undefined, Cluster[], undefined>();
 
 export const fetchTopicsListAction = createAsyncAction(
-  ActionType.GET_TOPICS__REQUEST,
-  ActionType.GET_TOPICS__SUCCESS,
-  ActionType.GET_TOPICS__FAILURE
+  'GET_TOPICS__REQUEST',
+  'GET_TOPICS__SUCCESS',
+  'GET_TOPICS__FAILURE'
 )<undefined, Topic[], undefined>();
 
 export const fetchTopicMessagesAction = createAsyncAction(
-  ActionType.GET_TOPIC_MESSAGES__REQUEST,
-  ActionType.GET_TOPIC_MESSAGES__SUCCESS,
-  ActionType.GET_TOPIC_MESSAGES__FAILURE
+  'GET_TOPIC_MESSAGES__REQUEST',
+  'GET_TOPIC_MESSAGES__SUCCESS',
+  'GET_TOPIC_MESSAGES__FAILURE'
 )<undefined, TopicMessage[], undefined>();
 
 export const fetchTopicDetailsAction = createAsyncAction(
-  ActionType.GET_TOPIC_DETAILS__REQUEST,
-  ActionType.GET_TOPIC_DETAILS__SUCCESS,
-  ActionType.GET_TOPIC_DETAILS__FAILURE
+  'GET_TOPIC_DETAILS__REQUEST',
+  'GET_TOPIC_DETAILS__SUCCESS',
+  'GET_TOPIC_DETAILS__FAILURE'
 )<undefined, { topicName: TopicName; details: TopicDetails }, undefined>();
 
 export const fetchTopicConfigAction = createAsyncAction(
-  ActionType.GET_TOPIC_CONFIG__REQUEST,
-  ActionType.GET_TOPIC_CONFIG__SUCCESS,
-  ActionType.GET_TOPIC_CONFIG__FAILURE
+  'GET_TOPIC_CONFIG__REQUEST',
+  'GET_TOPIC_CONFIG__SUCCESS',
+  'GET_TOPIC_CONFIG__FAILURE'
 )<undefined, { topicName: TopicName; config: TopicConfig[] }, undefined>();
 
 export const createTopicAction = createAsyncAction(
-  ActionType.POST_TOPIC__REQUEST,
-  ActionType.POST_TOPIC__SUCCESS,
-  ActionType.POST_TOPIC__FAILURE
+  'POST_TOPIC__REQUEST',
+  'POST_TOPIC__SUCCESS',
+  'POST_TOPIC__FAILURE'
 )<undefined, Topic, undefined>();
 
 export const updateTopicAction = createAsyncAction(
-  ActionType.PATCH_TOPIC__REQUEST,
-  ActionType.PATCH_TOPIC__SUCCESS,
-  ActionType.PATCH_TOPIC__FAILURE
+  'PATCH_TOPIC__REQUEST',
+  'PATCH_TOPIC__SUCCESS',
+  'PATCH_TOPIC__FAILURE'
 )<undefined, Topic, undefined>();
 
 export const fetchConsumerGroupsAction = createAsyncAction(
-  ActionType.GET_CONSUMER_GROUPS__REQUEST,
-  ActionType.GET_CONSUMER_GROUPS__SUCCESS,
-  ActionType.GET_CONSUMER_GROUPS__FAILURE
+  'GET_CONSUMER_GROUPS__REQUEST',
+  'GET_CONSUMER_GROUPS__SUCCESS',
+  'GET_CONSUMER_GROUPS__FAILURE'
 )<undefined, ConsumerGroup[], undefined>();
 
 export const fetchConsumerGroupDetailsAction = createAsyncAction(
-  ActionType.GET_CONSUMER_GROUP_DETAILS__REQUEST,
-  ActionType.GET_CONSUMER_GROUP_DETAILS__SUCCESS,
-  ActionType.GET_CONSUMER_GROUP_DETAILS__FAILURE
+  'GET_CONSUMER_GROUP_DETAILS__REQUEST',
+  'GET_CONSUMER_GROUP_DETAILS__SUCCESS',
+  'GET_CONSUMER_GROUP_DETAILS__FAILURE'
 )<
   undefined,
   { consumerGroupID: ConsumerGroupID; details: ConsumerGroupDetails },
diff --git a/kafka-ui-react-app/src/redux/interfaces/index.ts b/kafka-ui-react-app/src/redux/interfaces/index.ts
index 8a54d01f25f3664a58318e9802fdc07b28a4d8f2..56055cbed7ed4ecef32480711eaf5444959b5c4e 100644
--- a/kafka-ui-react-app/src/redux/interfaces/index.ts
+++ b/kafka-ui-react-app/src/redux/interfaces/index.ts
@@ -16,13 +16,6 @@ export * from './broker';
 export * from './consumerGroup';
 export * from './loader';
 
-export enum FetchStatus {
-  notFetched = 'notFetched',
-  fetching = 'fetching',
-  fetched = 'fetched',
-  errorFetching = 'errorFetching',
-}
-
 export interface RootState {
   topics: TopicsState;
   clusters: ClusterState;
diff --git a/kafka-ui-react-app/src/redux/interfaces/loader.ts b/kafka-ui-react-app/src/redux/interfaces/loader.ts
index 559a5e01febfccab1780ec6843189a2c836b1956..048e695e7669bfb34e16d9c116fb6b30709f938a 100644
--- a/kafka-ui-react-app/src/redux/interfaces/loader.ts
+++ b/kafka-ui-react-app/src/redux/interfaces/loader.ts
@@ -1,5 +1,3 @@
-import { FetchStatus } from 'redux/interfaces/index';
-
 export interface LoaderState {
-  [key: string]: FetchStatus;
+  [key: string]: 'notFetched' | 'fetching' | 'fetched' | 'errorFetching';
 }
diff --git a/kafka-ui-react-app/src/redux/reducers/brokers/reducer.ts b/kafka-ui-react-app/src/redux/reducers/brokers/reducer.ts
index cab60d2e252b3e3134cebd96bd16f221c9f50f11..3df9597129cd972cfc9fa1aeb254fefeed8fcec1 100644
--- a/kafka-ui-react-app/src/redux/reducers/brokers/reducer.ts
+++ b/kafka-ui-react-app/src/redux/reducers/brokers/reducer.ts
@@ -1,6 +1,5 @@
 import { Action, BrokersState, ZooKeeperStatus } from 'redux/interfaces';
 import { ClusterStats } from 'generated-sources';
-import ActionType from 'redux/actionType';
 
 export const initialState: BrokersState = {
   items: [],
@@ -36,14 +35,14 @@ const updateBrokerSegmentSize = (
 
 const reducer = (state = initialState, action: Action): BrokersState => {
   switch (action.type) {
-    case ActionType.GET_BROKERS__REQUEST:
+    case 'GET_BROKERS__REQUEST':
       return initialState;
-    case ActionType.GET_BROKERS__SUCCESS:
+    case 'GET_BROKERS__SUCCESS':
       return {
         ...state,
         items: action.payload,
       };
-    case ActionType.GET_CLUSTER_STATS__SUCCESS:
+    case 'GET_CLUSTER_STATUS__SUCCESS':
       return updateBrokerSegmentSize(state, action.payload);
     default:
       return state;
diff --git a/kafka-ui-react-app/src/redux/reducers/brokers/selectors.ts b/kafka-ui-react-app/src/redux/reducers/brokers/selectors.ts
index eab6d08b50cfdef1a3d229f6517c8dfee9c5eb31..3c6ef947dd4b145914094146634f58ff31f4d96c 100644
--- a/kafka-ui-react-app/src/redux/reducers/brokers/selectors.ts
+++ b/kafka-ui-react-app/src/redux/reducers/brokers/selectors.ts
@@ -1,5 +1,5 @@
 import { createSelector } from 'reselect';
-import { RootState, FetchStatus, BrokersState } from 'redux/interfaces';
+import { RootState, BrokersState } from 'redux/interfaces';
 import { createFetchingSelector } from 'redux/reducers/loader/selectors';
 
 const brokersState = ({ brokers }: RootState): BrokersState => brokers;
@@ -8,7 +8,7 @@ const getBrokerListFetchingStatus = createFetchingSelector('GET_BROKERS');
 
 export const getIsBrokerListFetched = createSelector(
   getBrokerListFetchingStatus,
-  (status) => status === FetchStatus.fetched
+  (status) => status === 'fetched'
 );
 
 export const getBrokerCount = createSelector(
diff --git a/kafka-ui-react-app/src/redux/reducers/clusters/reducer.ts b/kafka-ui-react-app/src/redux/reducers/clusters/reducer.ts
index 9ce79b7bdec55dba7b9f7ce31b50fb9b44217a8f..10de9654ffbe26c7b02213ac8b13fe9f69310bbf 100644
--- a/kafka-ui-react-app/src/redux/reducers/clusters/reducer.ts
+++ b/kafka-ui-react-app/src/redux/reducers/clusters/reducer.ts
@@ -1,12 +1,11 @@
 import { Action } from 'redux/interfaces';
 import { Cluster } from 'generated-sources';
-import ActionType from 'redux/actionType';
 
 export const initialState: Cluster[] = [];
 
 const reducer = (state = initialState, action: Action): Cluster[] => {
   switch (action.type) {
-    case ActionType.GET_CLUSTERS__SUCCESS:
+    case 'GET_CLUSTERS__SUCCESS':
       return action.payload;
     default:
       return state;
diff --git a/kafka-ui-react-app/src/redux/reducers/clusters/selectors.ts b/kafka-ui-react-app/src/redux/reducers/clusters/selectors.ts
index 592e8ccae9856e59f66d7efa35bdaaa4604db52c..22bab57baa03ef1df4515038e2c221e67297c392 100644
--- a/kafka-ui-react-app/src/redux/reducers/clusters/selectors.ts
+++ b/kafka-ui-react-app/src/redux/reducers/clusters/selectors.ts
@@ -1,5 +1,5 @@
 import { createSelector } from 'reselect';
-import { RootState, FetchStatus } from 'redux/interfaces';
+import { RootState } from 'redux/interfaces';
 import { createFetchingSelector } from 'redux/reducers/loader/selectors';
 import { Cluster, ServerStatus } from 'generated-sources';
 
@@ -9,7 +9,7 @@ const getClusterListFetchingStatus = createFetchingSelector('GET_CLUSTERS');
 
 export const getIsClusterListFetched = createSelector(
   getClusterListFetchingStatus,
-  (status) => status === FetchStatus.fetched
+  (status) => status === 'fetched'
 );
 
 export const getClusterList = createSelector(
diff --git a/kafka-ui-react-app/src/redux/reducers/consumerGroups/reducer.ts b/kafka-ui-react-app/src/redux/reducers/consumerGroups/reducer.ts
index 6776dbcc5865b3ff90e03fa0fdfb4027cdac0e07..c2cb51865022b33fa86d62ea5b4a444a3100f517 100644
--- a/kafka-ui-react-app/src/redux/reducers/consumerGroups/reducer.ts
+++ b/kafka-ui-react-app/src/redux/reducers/consumerGroups/reducer.ts
@@ -1,6 +1,5 @@
 import { Action, ConsumerGroupsState } from 'redux/interfaces';
 import { ConsumerGroup } from 'generated-sources';
-import ActionType from 'redux/actionType';
 
 export const initialState: ConsumerGroupsState = {
   byID: {},
@@ -34,9 +33,9 @@ const updateConsumerGroupsList = (
 
 const reducer = (state = initialState, action: Action): ConsumerGroupsState => {
   switch (action.type) {
-    case ActionType.GET_CONSUMER_GROUPS__SUCCESS:
+    case 'GET_CONSUMER_GROUPS__SUCCESS':
       return updateConsumerGroupsList(state, action.payload);
-    case ActionType.GET_CONSUMER_GROUP_DETAILS__SUCCESS:
+    case 'GET_CONSUMER_GROUP_DETAILS__SUCCESS':
       return {
         ...state,
         byID: {
diff --git a/kafka-ui-react-app/src/redux/reducers/consumerGroups/selectors.ts b/kafka-ui-react-app/src/redux/reducers/consumerGroups/selectors.ts
index 0e298084d6f2d2f6a2a43659abce674a763cfa32..86459fc6d5e36e77a5ba906d394bea6cef7e9d9a 100644
--- a/kafka-ui-react-app/src/redux/reducers/consumerGroups/selectors.ts
+++ b/kafka-ui-react-app/src/redux/reducers/consumerGroups/selectors.ts
@@ -1,5 +1,5 @@
 import { createSelector } from 'reselect';
-import { RootState, FetchStatus } from 'redux/interfaces';
+import { RootState } from 'redux/interfaces';
 import { createFetchingSelector } from 'redux/reducers/loader/selectors';
 import {
   ConsumerGroupID,
@@ -24,12 +24,12 @@ const getConsumerGroupDetailsFetchingStatus = createFetchingSelector(
 
 export const getIsConsumerGroupsListFetched = createSelector(
   getConsumerGroupsListFetchingStatus,
-  (status) => status === FetchStatus.fetched
+  (status) => status === 'fetched'
 );
 
 export const getIsConsumerGroupDetailsFetched = createSelector(
   getConsumerGroupDetailsFetchingStatus,
-  (status) => status === FetchStatus.fetched
+  (status) => status === 'fetched'
 );
 
 export const getConsumerGroupsList = createSelector(
diff --git a/kafka-ui-react-app/src/redux/reducers/loader/reducer.ts b/kafka-ui-react-app/src/redux/reducers/loader/reducer.ts
index e847decd3ff26277f25f9566cf5967d015786b87..37892542fae31cf309a68410fa832d20bfeac6e2 100644
--- a/kafka-ui-react-app/src/redux/reducers/loader/reducer.ts
+++ b/kafka-ui-react-app/src/redux/reducers/loader/reducer.ts
@@ -1,4 +1,4 @@
-import { FetchStatus, Action, LoaderState } from 'redux/interfaces';
+import { Action, LoaderState } from 'redux/interfaces';
 
 export const initialState: LoaderState = {};
 
@@ -15,17 +15,17 @@ const reducer = (state = initialState, action: Action): LoaderState => {
     case 'REQUEST':
       return {
         ...state,
-        [requestName]: FetchStatus.fetching,
+        [requestName]: 'fetching',
       };
     case 'SUCCESS':
       return {
         ...state,
-        [requestName]: FetchStatus.fetched,
+        [requestName]: 'fetched',
       };
     case 'FAILURE':
       return {
         ...state,
-        [requestName]: FetchStatus.errorFetching,
+        [requestName]: 'errorFetching',
       };
     default:
       return state;
diff --git a/kafka-ui-react-app/src/redux/reducers/loader/selectors.ts b/kafka-ui-react-app/src/redux/reducers/loader/selectors.ts
index c43355b577878db69e34bb56a03d6f53165cfca7..fcab9e731dec1e8179bf6442b2da6609f2332b52 100644
--- a/kafka-ui-react-app/src/redux/reducers/loader/selectors.ts
+++ b/kafka-ui-react-app/src/redux/reducers/loader/selectors.ts
@@ -1,4 +1,4 @@
-import { RootState, FetchStatus } from 'redux/interfaces';
+import { RootState } from 'redux/interfaces';
 
 export const createFetchingSelector = (action: string) => (state: RootState) =>
-  state.loader[action] || FetchStatus.notFetched;
+  state.loader[action] || 'notFetched';
diff --git a/kafka-ui-react-app/src/redux/reducers/topics/reducer.ts b/kafka-ui-react-app/src/redux/reducers/topics/reducer.ts
index 6a11485172434883712bc898e9db0c0aed2544d5..d457e9de7ff9e51056b3e6d28b66e2265728f25d 100644
--- a/kafka-ui-react-app/src/redux/reducers/topics/reducer.ts
+++ b/kafka-ui-react-app/src/redux/reducers/topics/reducer.ts
@@ -1,7 +1,6 @@
 import { v4 } from 'uuid';
 import { Topic, TopicMessage } from 'generated-sources';
 import { Action, TopicsState } from 'redux/interfaces';
-import ActionType from 'redux/actionType';
 
 export const initialState: TopicsState = {
   byName: {},
@@ -68,9 +67,9 @@ const transformTopicMessages = (
 
 const reducer = (state = initialState, action: Action): TopicsState => {
   switch (action.type) {
-    case ActionType.GET_TOPICS__SUCCESS:
+    case 'GET_TOPICS__SUCCESS':
       return updateTopicList(state, action.payload);
-    case ActionType.GET_TOPIC_DETAILS__SUCCESS:
+    case 'GET_TOPIC_DETAILS__SUCCESS':
       return {
         ...state,
         byName: {
@@ -81,9 +80,9 @@ const reducer = (state = initialState, action: Action): TopicsState => {
           },
         },
       };
-    case ActionType.GET_TOPIC_MESSAGES__SUCCESS:
+    case 'GET_TOPIC_MESSAGES__SUCCESS':
       return transformTopicMessages(state, action.payload);
-    case ActionType.GET_TOPIC_CONFIG__SUCCESS:
+    case 'GET_TOPIC_CONFIG__SUCCESS':
       return {
         ...state,
         byName: {
@@ -97,7 +96,7 @@ const reducer = (state = initialState, action: Action): TopicsState => {
           },
         },
       };
-    case ActionType.POST_TOPIC__SUCCESS:
+    case 'POST_TOPIC__SUCCESS':
       return addToTopicList(state, action.payload);
     default:
       return state;
diff --git a/kafka-ui-react-app/src/redux/reducers/topics/selectors.ts b/kafka-ui-react-app/src/redux/reducers/topics/selectors.ts
index f215821f0e7ea4d986803ae7eb65e0f1236e2623..b767c80432ee0cc6c8ebccc61afcc4a8fa5dd5c7 100644
--- a/kafka-ui-react-app/src/redux/reducers/topics/selectors.ts
+++ b/kafka-ui-react-app/src/redux/reducers/topics/selectors.ts
@@ -2,7 +2,6 @@ import { createSelector } from 'reselect';
 import {
   RootState,
   TopicName,
-  FetchStatus,
   TopicsState,
   TopicConfigByName,
 } from 'redux/interfaces';
@@ -29,32 +28,32 @@ const getTopicUpdateStatus = createFetchingSelector('PATCH_TOPIC');
 
 export const getIsTopicListFetched = createSelector(
   getTopicListFetchingStatus,
-  (status) => status === FetchStatus.fetched
+  (status) => status === 'fetched'
 );
 
 export const getIsTopicDetailsFetched = createSelector(
   getTopicDetailsFetchingStatus,
-  (status) => status === FetchStatus.fetched
+  (status) => status === 'fetched'
 );
 
 export const getIsTopicMessagesFetched = createSelector(
   getTopicMessagesFetchingStatus,
-  (status) => status === FetchStatus.fetched
+  (status) => status === 'fetched'
 );
 
 export const getTopicConfigFetched = createSelector(
   getTopicConfigFetchingStatus,
-  (status) => status === FetchStatus.fetched
+  (status) => status === 'fetched'
 );
 
 export const getTopicCreated = createSelector(
   getTopicCreationStatus,
-  (status) => status === FetchStatus.fetched
+  (status) => status === 'fetched'
 );
 
 export const getTopicUpdated = createSelector(
   getTopicUpdateStatus,
-  (status) => status === FetchStatus.fetched
+  (status) => status === 'fetched'
 );
 
 export const getTopicList = createSelector(