diff --git a/.github/blunderbuss.yml b/.github/blunderbuss.yml
index 0323334bbe5..59e9468e3d9 100644
--- a/.github/blunderbuss.yml
+++ b/.github/blunderbuss.yml
@@ -119,7 +119,6 @@ assign_issues_by:
 assign_issues:
   - busunkim96
   - leahecole
-  - tmatsuo
   - engelke
   - kurtisvg
   - dinagraves
@@ -127,7 +126,6 @@ assign_issues:
 assign_prs:
   - busunkim96
   - leahecole
-  - tmatsuo
   - engelke
   - kurtisvg
   - dinagraves