diff --git a/doc/guides/onboarding-extras.md b/doc/guides/onboarding-extras.md
index de7d230217b681..6904713ce7ed67 100644
--- a/doc/guides/onboarding-extras.md
+++ b/doc/guides/onboarding-extras.md
@@ -46,14 +46,6 @@ such as if CI run fails or a new outstanding review comment is posted.
     section to the docs"
   * major vs. everything else: run last versions tests against this version, if
     they pass, **probably** minor or patch
-  * A breaking change helper
-    ([full source](https://gist.github.com/chrisdickinson/ba532fa0e4e243fb7b44)):
-
-    ```bash
-    SHOW=$(git show-ref -d $(git describe --abbrev=0) | tail -n1 | awk '{print $1}')
-    git checkout $(git show -s --pretty='%T' $SHOW) -- test
-    make -j4 test
-    ```
 
 ### LTS/Version labels