diff --git a/.github/workflows/test-coverage.yaml b/.github/workflows/test-coverage.yaml
deleted file mode 100644
index 21b8a93..0000000
--- a/.github/workflows/test-coverage.yaml
+++ /dev/null
@@ -1,50 +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: test-coverage
-
-jobs:
-  test-coverage:
-    runs-on: ubuntu-latest
-    env:
-      GITHUB_PAT: ${{ secrets.GITHUB_TOKEN }}
-
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: r-lib/actions/setup-r@v2
-        with:
-          use-public-rspm: true
-
-      - uses: r-lib/actions/setup-r-dependencies@v2
-        with:
-          extra-packages: any::covr
-          needs: coverage
-
-      - name: Test coverage
-        run: |
-          covr::codecov(
-            quiet = FALSE,
-            clean = FALSE,
-            install_path = file.path(normalizePath(Sys.getenv("RUNNER_TEMP"), winslash = "/"), "package")
-          )
-        shell: Rscript {0}
-
-      - name: Show testthat output
-        if: always()
-        run: |
-          ## --------------------------------------------------------------------
-          find '${{ runner.temp }}/package' -name 'testthat.Rout*' -exec cat '{}' \; || true
-        shell: bash
-
-      - name: Upload test results
-        if: failure()
-        uses: actions/upload-artifact@v4
-        with:
-          name: coverage-test-failures
-          path: ${{ runner.temp }}/package
diff --git a/README.Rmd b/README.Rmd
index c9fc0d3..8c47807 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -17,9 +17,8 @@ knitr::opts_chunk$set(
 
 <!-- badges: start -->
 [![R-CMD-check](https://github.com/JieYinStat/dbsubsampling/actions/workflows/R-CMD-check.yaml/badge.svg)](https://github.com/JieYinStat/dbsubsampling/actions/workflows/R-CMD-check.yaml)
-[![test-coverage](https://github.com/JieYinStat/dbsubsampling/actions/workflows/test-coverage.yaml/badge.svg)](https://github.com/JieYinStat/dbsubsampling/actions/workflows/test-coverage.yaml)
-[![pkgdown](https://github.com/JieYinStat/dbsubsampling/actions/workflows/pkgdown.yaml/badge.svg)](https://github.com/JieYinStat/dbsubsampling/actions/workflows/pkgdown.yaml)
 [![Codecov test coverage](https://codecov.io/gh/JieYinStat/dbsubsampling/branch/master/graph/badge.svg)](https://app.codecov.io/gh/JieYinStat/dbsubsampling?branch=master)
+[![pkgdown](https://github.com/JieYinStat/dbsubsampling/actions/workflows/pkgdown.yaml/badge.svg)](https://github.com/JieYinStat/dbsubsampling/actions/workflows/pkgdown.yaml)
 <!-- badges: end -->
 
 Providing a unified interface for IBOSS, Lowcon, OSS and other popular design-based subsampling methods.
diff --git a/README.md b/README.md
index 276211a..39dc3a5 100644
--- a/README.md
+++ b/README.md
@@ -6,10 +6,9 @@
 <!-- badges: start -->
 
 [![R-CMD-check](https://github.com/JieYinStat/dbsubsampling/actions/workflows/R-CMD-check.yaml/badge.svg)](https://github.com/JieYinStat/dbsubsampling/actions/workflows/R-CMD-check.yaml)
-[![test-coverage](https://github.com/JieYinStat/dbsubsampling/actions/workflows/test-coverage.yaml/badge.svg)](https://github.com/JieYinStat/dbsubsampling/actions/workflows/test-coverage.yaml)
-[![pkgdown](https://github.com/JieYinStat/dbsubsampling/actions/workflows/pkgdown.yaml/badge.svg)](https://github.com/JieYinStat/dbsubsampling/actions/workflows/pkgdown.yaml)
 [![Codecov test
 coverage](https://codecov.io/gh/JieYinStat/dbsubsampling/branch/master/graph/badge.svg)](https://app.codecov.io/gh/JieYinStat/dbsubsampling?branch=master)
+[![pkgdown](https://github.com/JieYinStat/dbsubsampling/actions/workflows/pkgdown.yaml/badge.svg)](https://github.com/JieYinStat/dbsubsampling/actions/workflows/pkgdown.yaml)
 <!-- badges: end -->
 
 Providing a unified interface for IBOSS, Lowcon, OSS and other popular