diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index 66dfc2f..cd629ab 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -1,2 +1,5 @@
 # rustfmt bulk reformat (maint)
 13c0b70dc3111cf94fef217b0f8b5fdbe469d3eb
+
+# rustfmt master-only code
+e9da598f8ab13de5dea3a1496531d675af6a0b94