diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 19c786a..7b8162b 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -12,17 +12,11 @@ jobs:
       uses: actions/setup-python@v4
       with:
         python-version: ${{ matrix.python-version }}
-    - name: Setup Node
-      uses: actions/setup-node@v1
-      with:
-        node-version: '16'
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
         pip install -r tests-requirements.txt
         pip install -r requirements.txt
-        npm install -g remark-cli remark-validate-links
-        npm install -g markdown-link-check
     - name: Run sequential tests
       run: |
         ./tests.sh
diff --git a/test-doc.sh b/test-doc.sh
index f5c51c2..898b2a4 100755
--- a/test-doc.sh
+++ b/test-doc.sh
@@ -2,18 +2,34 @@
 # author: deadc0de6 (https://github.com/deadc0de6)
 # Copyright (c) 2022, deadc0de6
 
-## test the doc with remark
-## https://github.com/remarkjs/remark-validate-links
+## test the doc with linkcheckMarkdown
+## pip install --user linkcheckmd
 set +e
-which remark >/dev/null 2>&1
+which linkcheckMarkdown >/dev/null 2>&1
 r="$?"
 set -e
 if [ "$r" != "0" ]; then
-  echo "[WARNING] install \"remark\" to test the doc"
-else
-  remark -f -u validate-links docs/
-  remark -f -u validate-links *.md
+  echo "[ERROR] install \"linkcheckMarkdown\" to test for dead links"
+  exit 1
 fi
+find . -type f -iname '*.md' | while read line; do
+  echo "checking links in \"${line}\""
+  linkcheckMarkdown ${line}
+done
+
+
+### test the doc with remark
+### https://github.com/remarkjs/remark-validate-links
+#set +e
+#which remark >/dev/null 2>&1
+#r="$?"
+#set -e
+#if [ "$r" != "0" ]; then
+#  echo "[WARNING] install \"remark\" to test the doc"
+#else
+#  remark -f -u validate-links docs/
+#  remark -f -u validate-links *.md
+#fi
 
 ### test the doc with markdown-link-check
 ### https://github.com/tcort/markdown-link-check
diff --git a/tests-requirements.txt b/tests-requirements.txt
index b1f2e91..65e131d 100644
--- a/tests-requirements.txt
+++ b/tests-requirements.txt
@@ -5,4 +5,5 @@ coveralls; python_version > '3.5'
 pyflakes; python_version > '3.5'
 pylint; python_version > '3.5'
 halo; python_version > '3.5'
-distro; python_version > '3.5'
\ No newline at end of file
+distro; python_version > '3.5'
+linkcheckmd; python_version > '3.5'
\ No newline at end of file