From the archive · January 2025

Finding the right Balance for your Clean Core strategy

First published on LinkedIn. sapperment is the canonical archive of this article.

Think of your ERP system as a backpack for an enterprise's digital journey. Over time, it’s been loaded with all kinds of tools, customizations, and legacy processes—some still essential, but many outdated or redundant. This overstuffed backpack is now heavy, cluttered, and slowing your ability to adapt to changing business demands.

The Clean Core approach is like repacking your backpack for agility and efficiency. By reorganizing your essentials (core processes and critical data) and shifting non-core customizations to an external, scalable pouch (a platform like SAP BTP), your ERP becomes lean and adaptable. This streamlined setup allows your IT landscape to move faster, deploy updates seamlessly, and integrate advanced technologies, all without being weighed down by unnecessary baggage.

This article explores how businesses can tailor their Clean Core strategy, balance investments, and maximize returns.

As the SAP 2027 deadline for ECC support approaches, many organizations are adopting the Clean Core mindset to achieve agility, efficiency, and innovation.

However, Clean Core is not a one-size-fits-all solution. The value of investments in Clean Core initiatives depends heavily on specific organizational needs and priorities. For example, some companies may benefit most from decoupling extensions via SAP Business Technology Platform (BTP), while others find greater ROI in automated testing frameworks like Tricentis or UiPath to ensure stability and accelerate delivery cycles.


Why Clean Core?

 A Clean Core establishes a streamlined ERP foundation that supports agile, future-ready business models. By decoupling custom code onto platforms like SAP BTP, organizations can innovate rapidly without compromising ERP stability. This architecture enables the adoption of advanced technologies like AI and RPA while minimizing technical debt. The result is a scalable, modern ERP landscape equipped to meet dynamic market demands.

Step One: Integrating the TIME framework

The TIME Framework (Tolerate, Invest, Migrate, Eliminate) offers a structured approach for managing applications in a Clean Core context:

  • Tolerate: Keep low-priority applications unchanged if they minimally impact the core.

  • Invest: Focus on critical areas that drive competitive differentiation, ensuring a robust Clean Core.

  • Migrate: Transition legacy functions to modern, cloud-compliant solutions to reduce complexity.

  • Eliminate: Remove redundant customizations to create a lean architecture.

Step Two: Building a roadmap for Clean Core success

For organizations transitioning to S/4HANA, selecting the right migration approach is critical. A Brownfield migration may offer short-term cost advantages but often perpetuates technical debt and limits opportunities for process optimization. To align with Clean Core principles, businesses should focus on:

  1. Evaluating Customizations: Identify which functionalities are critical for migration and which can be decoupled onto SAP BTP or replaced with SAP standard solutions.

  2. Prioritizing Stability: Implement robust testing frameworks like Tricentis to ensure stability and reliability during frequent updates.

  3. Phased Modernization: Gradually decouple non-essential customizations, ensuring operational continuity while reducing complexity.

 The outcome? A modern, streamlined ERP core that reduces technical debt, lowers total cost of ownership (TCO), and accelerates the adoption of new business capabilities.

Step Three: Balancing investments - Clean Core vs. Automated Testing

Organizations must carefully balance investments between Clean Core initiatives and Testing frameworks to achieve optimal results:

  • Prioritize Clean Core when: High maintenance costs are caused by excessive customizations. Faster deployment of new business capabilities is required to meet market demands. Potential exists to reduce operational costs by up to 30%.

  • Invest in Automated Testing when: Frequent updates or highly regulated environments require stability. Automated testing reduces hypercare costs by over 40% and accelerates delivery cycles with targeted change impact analysis.

Source: https://community.sap.com/t5/technology-blogs-by-sap/top-7-ways-clean-core-in-sap-s-4hana-and-rise-will-save-you-millions/ba-p/13862976


Step Four: Measuring success: Clean Core ROI Metrics

To maximize ROI from Clean Core and testing investments, businesses must establish clear, measurable metrics aligned with strategic goals:

  • Clean Core ROI: Faster upgrades, reduced downtime, and tangible cost savings in system maintenance.

  • Testing ROI: Improved defect detection, reduced testing cycles, and minimized hypercare costs.

By continuously tracking these metrics, organizations can refine their strategy and ensure resources are allocated to initiatives with the highest impact.


Conclusion: Your Tailored Path to Success

Modernizing an ERP landscape requires careful planning, execution, and a balanced, strategic approach. Clean Core initiatives lay the foundation for agility, scalability, and innovation, while automated testing frameworks ensure system stability during transformation. By tailoring investments to address specific pain points, leveraging tools like SAP Signavio Process Intelligence, and tracking success through clear ROI metrics, organizations can unlock the full potential of SAP S/4HANA and secure long-term success.


Are you curious about unlocking the full potential of your SAP systems?

Join our SAP CLEAN CORE Collaboration Hub—a thriving community dedicated to exploring and adopting clean core principles for SAP S/4HANA and beyond.

Together, we can transform the way we approach digital innovation.

👉 Join the conversation today: https://tinyurl.com/CROIROE


Written by Andreas BORN · Back to the sapperment library