diff --git a/README.md b/README.md
index 6610bd6..d5d735f 100644
--- a/README.md
+++ b/README.md
@@ -371,10 +371,3 @@ $ lldb `which vim`
 (lldb) r <Enter>
 Ctrl-C q <Enter> <Enter>
 ```
-
-## The test driven development way
-Credit: @axelf4
-
-```vim
-:echom test_null_list()
-```