diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 1ee584c6e0..84d1e22d97 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -42,8 +42,6 @@ jobs:
         uses: coursier/setup-action@v1.3.4
         with:
           jvm: ${{ matrix.JVM_NAME }}
-          # FIXME default index not giving us access to JDK 21 (yet)
-          jvm-index: https://raw.githubusercontent.com/coursier/jvm-index/32d659500e6c65efb9eee91718a0fb0e797ad4ee/index.json
 
       - name: Cache Build Target
         uses: actions/cache@v3.0.11