diff --git a/src/dev/rust/testing.md b/src/dev/rust/testing.md
index a051617..f67bc2f 100644
--- a/src/dev/rust/testing.md
+++ b/src/dev/rust/testing.md
@@ -13,3 +13,9 @@ cargo test -- --nocapture
 ```shell
 cargo test -- --no-fail-fast
 ```
+
+## Cleanup test cache
+
+```shell
+go clean -testcache
+```