diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index 69cfc6a..e9869ce 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -27,14 +27,14 @@ jobs:
 
           - {os: windows-latest, r: 'release'}
           # use 4.0 or 4.1 to check with rtools40's older compiler
-          - {os: windows-latest, r: 'oldrel-4'}
+
 
           - {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-2'}
           - {os: ubuntu-latest,  r: 'oldrel-3'}
-          - {os: ubuntu-latest,  r: 'oldrel-4'}
+
 
     env:
       GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
diff --git a/R/att_from_data.R b/R/att_from_data.R
index 64a58f2..da58d73 100644
--- a/R/att_from_data.R
+++ b/R/att_from_data.R
@@ -13,7 +13,7 @@ att_from_data <- function(chr) {
     str_extract_all(
       chr,
       '(?<=data\\(\\".{1,100}\\"\\,\\s{0,5}package\\s{0,5}\\=\\s{0,5}\\\")[[:alnum:]\\.]+(?=\\\"\\))'
-    ) |>
+    ) %>%
     unlist()
   return(pkg)