diff --git a/.github/workflows/R-CMD-historic-R-check.yaml b/.github/workflows/R-CMD-historic-R-check.yaml
deleted file mode 100644
index e27fdd90..00000000
--- a/.github/workflows/R-CMD-historic-R-check.yaml
+++ /dev/null
@@ -1,48 +0,0 @@
-# Workflow derived from https://github.com/r-lib/actions/tree/v2/examples
-# Need help debugging build failures? Start at https://github.com/r-lib/actions#where-to-find-help
-on:
-  push:
-    branches: [main, master]
-  pull_request:
-    branches: [main, master]
-
-name: R-CMD-historic-R-check
-
-jobs:
-  R-CMD-check:
-    runs-on: ${{ matrix.config.os }}
-
-    name: ${{ matrix.config.os }} (${{ matrix.config.r }})
-
-    strategy:
-      fail-fast: false
-      matrix:
-        config:
-          - {os: ubuntu-20.04,   r: 'oldrel-2'}
-          - {os: ubuntu-20.04,   r: 'oldrel-3'}
-
-    env:
-      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
-      R_KEEP_PKG_SOURCE: yes
-
-    steps:
-      - uses: actions/checkout@v3
-
-      - uses: r-lib/actions/setup-pandoc@v2
-
-      - uses: r-lib/actions/setup-r@v2
-        with:
-          r-version: ${{ matrix.config.r }}
-          http-user-agent: ${{ matrix.config.http-user-agent }}
-          use-public-rspm: true
-
-      - uses: r-lib/actions/setup-r-dependencies@v2
-        with:
-          extra-packages: any::rcmdcheck, emmeans=?ignore-before-r=4.3.0, gam=?ignore-before-r=4.0.0, rstan=?ignore-before-r=4.0.0, multgee=?ignore-before-r=4.0.0, VGAM=?ignore-before-r=4.0.0, glmmTMB=?ignore, effects=?ignore-before-r=4.3.0, survey=?ignore-before-r=4.1.0, lme4=?ignore-before-r=4.4.0, rstanarm=?ignore-before-r=4.4.0, Matrix=?ignore-before-r=4.4.0
-          needs: check
-
-      - uses: r-lib/actions/check-r-package@v2
-        env:
-          _R_CHECK_FORCE_SUGGESTS_: false
-        with:
-          upload-snapshots: true