diff --git a/CHANGELOG.md b/CHANGELOG.md
index 13aab3a37645..a8adb819ba5e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -150,6 +150,7 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Remove unused Sass in `tile_map` plugin ([#4110](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/4110))
 - [Multiple Datasource] Move data source selectable to its own folder, fix test and a few type errors for data source selectable component ([#6287](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/6287))
 - Remove KUI usage in `disabled_lab_visualization` ([#5462](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/5462))
+- [Multiple Datasource] Remove duplicate data source attribute interface from `data_source_management` ([#6437](https://github.com/opensearch-project/OpenSearch-Dashboards/pull/6437))
 
 ### 🔩 Tests
 
diff --git a/src/plugins/data_source/common/data_sources/types.ts b/src/plugins/data_source/common/data_sources/types.ts
index 38c14d18ccc4..c28b82861b32 100644
--- a/src/plugins/data_source/common/data_sources/types.ts
+++ b/src/plugins/data_source/common/data_sources/types.ts
@@ -9,12 +9,13 @@ export interface DataSourceAttributes extends SavedObjectAttributes {
   title: string;
   description?: string;
   endpoint: string;
+  dataSourceVersion?: string;
+  installedPlugins?: string[];
   auth: {
-    type: AuthType;
+    type: AuthType | string;
     credentials: UsernamePasswordTypedContent | SigV4Content | undefined | AuthTypeContent;
   };
   lastUpdatedTime?: string;
-  name: AuthType | string;
 }
 
 export interface AuthTypeContent {
diff --git a/src/plugins/data_source/server/client/configure_client_utils.ts b/src/plugins/data_source/server/client/configure_client_utils.ts
index 2748ddfd5ca4..9a76eaf6f19a 100644
--- a/src/plugins/data_source/server/client/configure_client_utils.ts
+++ b/src/plugins/data_source/server/client/configure_client_utils.ts
@@ -141,6 +141,5 @@ export const getAuthenticationMethod = (
   dataSourceAttr: DataSourceAttributes,
   authRegistry?: IAuthenticationMethodRegistry
 ): AuthenticationMethod => {
-  const name = dataSourceAttr.name ?? dataSourceAttr.auth.type;
-  return authRegistry?.getAuthenticationMethod(name) as AuthenticationMethod;
+  return authRegistry?.getAuthenticationMethod(dataSourceAttr.auth.type) as AuthenticationMethod;
 };
diff --git a/src/plugins/data_source_management/public/types.ts b/src/plugins/data_source_management/public/types.ts
index 6aa94a982a20..d7c3dfe213fa 100644
--- a/src/plugins/data_source_management/public/types.ts
+++ b/src/plugins/data_source_management/public/types.ts
@@ -14,8 +14,8 @@ import {
   HttpSetup,
 } from 'src/core/public';
 import { ManagementAppMountParams } from 'src/plugins/management/public';
-import { SavedObjectAttributes } from 'src/core/types';
 import { i18n } from '@osd/i18n';
+import { AuthType } from '../../data_source/common/data_sources';
 import { SigV4ServiceName } from '../../data_source/common/data_sources';
 import { OpenSearchDashboardsReactContextValue } from '../../opensearch_dashboards_react/public';
 import { AuthenticationMethodRegistry } from './auth_registry';
@@ -53,13 +53,6 @@ export type DataSourceManagementContextValue = OpenSearchDashboardsReactContextV
   DataSourceManagementContext
 >;
 
-/* Datasource types */
-export enum AuthType {
-  NoAuth = 'no_auth',
-  UsernamePasswordType = 'username_password',
-  SigV4 = 'sigv4',
-}
-
 export const defaultAuthType = AuthType.UsernamePasswordType;
 
 export const noAuthCredentialOption = {
@@ -136,35 +129,14 @@ export const credentialSourceOptions = [
   sigV4CredentialOption,
 ];
 
-export interface DataSourceAttributes extends SavedObjectAttributes {
-  title: string;
-  description?: string;
-  endpoint?: string;
-  dataSourceVersion?: string;
-  installedPlugins?: string[];
-  auth: {
-    type: AuthType | string;
-    credentials:
-      | UsernamePasswordTypedContent
-      | SigV4Content
-      | { [key: string]: string }
-      | undefined;
-  };
-}
-
-export interface UsernamePasswordTypedContent extends SavedObjectAttributes {
-  username: string;
-  password?: string;
-}
-
-export interface SigV4Content extends SavedObjectAttributes {
-  accessKey: string;
-  secretKey: string;
-  region: string;
-  service?: SigV4ServiceName;
-}
-
 export interface MenuPanelItem {
   name?: string;
   disabled: boolean;
 }
+
+export {
+  AuthType,
+  UsernamePasswordTypedContent,
+  SigV4Content,
+  DataSourceAttributes,
+} from '../../data_source/common/data_sources';