diff --git a/.github/workflows/bobtests_linux.yml b/.github/workflows/bobtests_linux.yml
index 0b4c8006..0487f2d2 100644
--- a/.github/workflows/bobtests_linux.yml
+++ b/.github/workflows/bobtests_linux.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        api-level: [35, 33, 29, 21]
+        api-level: [35, 33, 29]
     permissions:
       contents: write
     if: ${{ true }}