diff --git a/.github/workflows/validation.yml b/.github/workflows/validation.yml
index 3d063e049..6c42d6d92 100644
--- a/.github/workflows/validation.yml
+++ b/.github/workflows/validation.yml
@@ -22,6 +22,5 @@ jobs:
         ]
       matrix_config: >-
         [
-          "default",
           "rgb_fall2019"
         ]