diff --git a/app/definitions/rest/v1/index.ts b/app/definitions/rest/v1/index.ts
index 83bb410d0..e292cb99b 100644
--- a/app/definitions/rest/v1/index.ts
+++ b/app/definitions/rest/v1/index.ts
@@ -15,6 +15,7 @@ import { UserEndpoints } from './user';
 import { UsersEndpoints } from './users';
 import { TeamsEndpoints } from './teams';
 import { E2eEndpoints } from './e2e';
+import { SubscriptionsEndpoints } from './subscriptions';
 
 export type Endpoints = ChannelsEndpoints &
 	ChatEndpoints &
@@ -32,4 +33,5 @@ export type Endpoints = ChannelsEndpoints &
 	UserEndpoints &
 	UsersEndpoints &
 	TeamsEndpoints &
-	E2eEndpoints;
+	E2eEndpoints &
+	SubscriptionsEndpoints;
diff --git a/app/definitions/rest/v1/subscriptions.ts b/app/definitions/rest/v1/subscriptions.ts
new file mode 100644
index 000000000..c05e25cf2
--- /dev/null
+++ b/app/definitions/rest/v1/subscriptions.ts
@@ -0,0 +1,5 @@
+export type SubscriptionsEndpoints = {
+	'subscriptions.unread': {
+		POST: (params: { firstUnreadMessage: { _id: string } }) => {};
+	};
+};
diff --git a/app/lib/rocketchat/services/restApi.ts b/app/lib/rocketchat/services/restApi.ts
index 2f1bf4a5c..83c061150 100644
--- a/app/lib/rocketchat/services/restApi.ts
+++ b/app/lib/rocketchat/services/restApi.ts
@@ -264,10 +264,8 @@ export const deleteMessage = (messageId: string, rid: string): any =>
 	// @ts-ignore
 	sdk.post('chat.delete', { msgId: messageId, roomId: rid });
 
-export const markAsUnread = ({ messageId }: { messageId: string }): any =>
+export const markAsUnread = ({ messageId }: { messageId: string }) =>
 	// RC 0.65.0
-	// TODO: missing definitions from server
-	// @ts-ignore
 	sdk.post('subscriptions.unread', { firstUnreadMessage: { _id: messageId } });
 
 export const toggleStarMessage = (messageId: string, starred: boolean): any => {