diff --git a/app/definitions/rest/v1/chat.ts b/app/definitions/rest/v1/chat.ts
index 06f5f733d..4f876d62d 100644
--- a/app/definitions/rest/v1/chat.ts
+++ b/app/definitions/rest/v1/chat.ts
@@ -51,4 +51,7 @@ export type ChatEndpoints = {
 			message: Pick<IMessage, '_id' | 'rid' | 'u'>;
 		};
 	};
+	'chat.react': {
+		POST: (params: { emoji: string; messageId: string }) => void;
+	};
 };
diff --git a/app/lib/rocketchat/services/restApi.ts b/app/lib/rocketchat/services/restApi.ts
index c8bc0cf3e..c2cc66e63 100644
--- a/app/lib/rocketchat/services/restApi.ts
+++ b/app/lib/rocketchat/services/restApi.ts
@@ -273,10 +273,8 @@ export const setUserStatus = (status?: string, message?: string): any =>
 	// @ts-ignore
 	sdk.post('users.setStatus', { status, message });
 
-export const setReaction = (emoji: string, messageId: string): any =>
+export const setReaction = (emoji: string, messageId: string) =>
 	// RC 0.62.2
-	// TODO: missing definitions from server
-	// @ts-ignore
 	sdk.post('chat.react', { emoji, messageId });
 
 export const toggleRead = (read: boolean, roomId: string) => {