--- old/doc/testing.md	2019-03-23 10:16:16.077715633 +0800
+++ new/doc/testing.md	2019-03-23 10:16:15.909730677 +0800
@@ -15,8 +15,7 @@
 Previously, `make test` was used invoke an old system for running test, and
 `make run-test` was used for the new test framework. For backward compatibility
 with scripts and muscle memory, `run-test` (and variants like
-`exploded-run-test` or `run-test-tier1`) are kept as aliases. The old system
-can still be accessed for some time using `cd test && make`.
+`exploded-run-test` or `run-test-tier1`) are kept as aliases.
 
 Some example command-lines: