Swiggy and Zomato have been engaged in a battle for expansion, mirroring each other's moves to dominate various sectors.Both companies are now focusing on core operations to drive profitability by stepping away from non-core bets.Zomato gave up on its 15-minute food delivery service and home-made meal service due to unsustainable operations.Swiggy also retreated from its courier service and private label food business to streamline operations.The shift in strategy indicates a realization that profitability relies on smart diversification rather than unchecked expansion.Both companies faced challenges in managing multiple verticals, leading to operational inefficiencies and revenue impact.Zomato embarked on diversification to combat a slowdown in its food delivery business, acquiring new verticals like Insider.Swiggy introduced new services like Bolt, Snacc, and Pyng but later consolidated its operations by shutting down Genie and private label brands.The companies' rapid diversification led to financial pressures with strong top-line growth but significant net losses.Zomato and Swiggy are now reconsidering their expansion strategies and focusing on more sustainable revenue streams like platform fees.