diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 50de31520..a2dee80c7 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -29,7 +29,7 @@ jobs:
 
           - {os: ubuntu-latest,   r: 'devel', http-user-agent: 'release'}
           - {os: ubuntu-latest,   r: 'release'}
-          - {os: ubuntu-latest,   r: 'oldrel-1'}
+          # - {os: ubuntu-latest,   r: 'oldrel-1'}
           # - {os: ubuntu-latest,   r: 'oldrel-2'}
           # - {os: ubuntu-latest,   r: 'oldrel-3'}
           # - {os: ubuntu-latest,   r: 'oldrel-4'}