---
title: "How can I reduce my code footprint?"
source_url: https://dev.digicert.com/trustcore-sdk/nanossl/faqs/how-can-i-reduce-my-code-footprint.html
---

**Question:** How can I reduce the size of my compiled code?

**Answer:** Here are some suggestions:

- Turn on compiler size optimization (for VS: "`/O1`", for gcc: "`-Os`").
- Disable all debug flags: SoTP platform debug and compiler debug (for gcc, remove "`-g`").
- Define `__ENABLE_MOCANA_SMALL_CODE_FOOTPRINT__`.
- This will trade off some speed for a smaller size.
- Disable unused ciphers such as 3DES or AES. AES may take about 10 KB because of lookup tables.
- If supported by the compiler, use the option to link only with symbols that are being used.
- Strip symbols from the generated binary.
- Turn on the assembly language optimizations for the architecture, `__ASM_*__`.
- For more information, refer to the "Footprint Reduction" and "Disable Certificate Parsing and Key Generation" sections of *Building TrustCore SDK Components*.