diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index feb628e..06cf444 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -35,11 +35,6 @@ jobs:
           python-version: ${{ matrix.python-version }}
       - name: Print Python Information
         run: python -VV
-      - name: Specify tinytex mirror (CTAN_REPO)
-        run: |
-          echo "CTAN_REPO=https://mirrors.dotsrc.org/ctan/" >> $GITHUB_ENV
-      - name: install TinyTeX
-        uses: r-lib/actions/setup-tinytex@v2
       - name: Install and configure Poetry
         run: |
           pip3 install -U poetry setuptools
diff --git a/tests.py b/tests.py
index 31fbb87..28eda05 100755
--- a/tests.py
+++ b/tests.py
@@ -620,6 +620,10 @@ def test_conversion_from_non_plain_text_file(self):
             received = pypandoc.convert_file(file_name, to="rst")
             self.assertEqualExceptForNewlineEnd(expected, received)
 
+    # skip in ci
+    @unittest.skipIf(
+        os.environ.get("CI") == "true", "Skipping PDF conversion test in CI environment"
+    )
     def test_pdf_conversion(self):
         with closed_tempfile(".pdf") as file_name:
             ret = pypandoc.convert_text(