diff --git a/app/definitions/rest/v1/channels.ts b/app/definitions/rest/v1/channels.ts
index 6692f0a9c..acdd87e26 100644
--- a/app/definitions/rest/v1/channels.ts
+++ b/app/definitions/rest/v1/channels.ts
@@ -52,4 +52,7 @@ export type ChannelsEndpoints = {
 	'channels.convertToTeam': {
 		POST: (params: { channelId: string; channelName: string }) => { team: ITeam };
 	};
+	'channels.leave': {
+		POST: (params: { roomId: string }) => {};
+	};
 };
diff --git a/app/definitions/rest/v1/groups.ts b/app/definitions/rest/v1/groups.ts
index 966a6759a..8d77cb3a8 100644
--- a/app/definitions/rest/v1/groups.ts
+++ b/app/definitions/rest/v1/groups.ts
@@ -46,4 +46,7 @@ export type GroupsEndpoints = {
 	'groups.convertToTeam': {
 		POST: (params: { roomId: string; roomName: string }) => { team: ITeam };
 	};
+	'groups.leave': {
+		POST: (params: { roomId: string }) => {};
+	};
 };
diff --git a/app/definitions/rest/v1/im.ts b/app/definitions/rest/v1/im.ts
index b2927b03c..5bdc274e3 100644
--- a/app/definitions/rest/v1/im.ts
+++ b/app/definitions/rest/v1/im.ts
@@ -38,4 +38,7 @@ export type ImEndpoints = {
 			messages: IMessageFromServer[];
 		};
 	};
+	'im.leave': {
+		POST: (params: { roomId: string }) => {};
+	};
 };
diff --git a/app/lib/rocketchat/services/restApi.ts b/app/lib/rocketchat/services/restApi.ts
index 8f0d074d4..96331c20a 100644
--- a/app/lib/rocketchat/services/restApi.ts
+++ b/app/lib/rocketchat/services/restApi.ts
@@ -428,10 +428,8 @@ export const toggleBlockUser = (rid: string, blocked: string, block: boolean): P
 	return sdk.methodCallWrapper('unblockUser', { rid, blocked });
 };
 
-export const leaveRoom = (roomId: string, t: RoomTypes): any =>
+export const leaveRoom = (roomId: string, t: RoomTypes) =>
 	// RC 0.48.0
-	// TODO: missing definitions from server
-	// @ts-ignore
 	sdk.post(`${roomTypeToApiType(t)}.leave`, { roomId });
 
 export const deleteRoom = (roomId: string, t: RoomTypes): any =>