diff --git a/apps/meteor/ee/app/livechat-enterprise/server/hooks/afterRemoveDepartment.ts b/apps/meteor/ee/app/livechat-enterprise/server/hooks/afterRemoveDepartment.ts
index 41c5398e4d83..64d92cca5f1e 100644
--- a/apps/meteor/ee/app/livechat-enterprise/server/hooks/afterRemoveDepartment.ts
+++ b/apps/meteor/ee/app/livechat-enterprise/server/hooks/afterRemoveDepartment.ts
@@ -21,7 +21,7 @@ const afterRemoveDepartment = async (options: {
 	});
 	await Promise.all([
 		LivechatDepartment.removeDepartmentFromForwardListById(department._id),
-		...(department.parentId ? [LivechatUnit.removeDepartmentFromUnit(department.parentId)] : []),
+		...(department.parentId ? [LivechatUnit.decrementDepartmentsCount(department.parentId)] : []),
 	]);
 
 	return options;
diff --git a/apps/meteor/ee/server/models/raw/LivechatUnit.ts b/apps/meteor/ee/server/models/raw/LivechatUnit.ts
index 8e534af429fd..c198ee04fbb0 100644
--- a/apps/meteor/ee/server/models/raw/LivechatUnit.ts
+++ b/apps/meteor/ee/server/models/raw/LivechatUnit.ts
@@ -190,15 +190,4 @@ export class LivechatUnitRaw extends BaseRaw<IOmnichannelBusinessUnit> implement
 	countUnits(): Promise<number> {
 		return this.col.countDocuments({ type: 'u' });
 	}
-
-	removeDepartmentFromUnit(unitId: string): Promise<UpdateResult> {
-		return this.updateOne(
-			{
-				_id: unitId,
-			},
-			{
-				$inc: { numDepartments: -1 },
-			},
-		);
-	}
 }
diff --git a/packages/model-typings/src/models/ILivechatUnitModel.ts b/packages/model-typings/src/models/ILivechatUnitModel.ts
index 66736a71b715..24a482eccd0e 100644
--- a/packages/model-typings/src/models/ILivechatUnitModel.ts
+++ b/packages/model-typings/src/models/ILivechatUnitModel.ts
@@ -39,5 +39,4 @@ export interface ILivechatUnitModel extends IBaseModel<IOmnichannelBusinessUnit>
 	findByMonitorId(monitorId: string): Promise<string[]>;
 	findMonitoredDepartmentsByMonitorId(monitorId: string, includeDisabled: boolean): Promise<ILivechatDepartment[]>;
 	countUnits(): Promise<number>;
-	removeDepartmentFromUnit(unitId: string): Promise<UpdateResult>;
 }