diff --git a/docs/technical_reference.md b/docs/technical_reference.md
index 7911c1b..3a34bee 100644
--- a/docs/technical_reference.md
+++ b/docs/technical_reference.md
@@ -258,7 +258,6 @@ The project is split into a core simulation library and a visualizer example.
 - `make test` — build and run all tests
 - `make test-build` — rebuild test executable only
 - `make clean` — clean build artifacts
-- `make clean-all` — clean everything including example
 - `make rebuild` — clean and rebuild all
 
 **Example Makefile** (visualizer):