diff --git a/.github/workflows/selfdrive_tests.yaml b/.github/workflows/selfdrive_tests.yaml
index 9b42b18e1b..9679e27640 100644
--- a/.github/workflows/selfdrive_tests.yaml
+++ b/.github/workflows/selfdrive_tests.yaml
@@ -320,7 +320,7 @@ jobs:
       if: ${{ failure() && github.event_name == 'pull_request' && github.repository == 'commaai/openpilot' }}
       run: |
         ${{ env.RUN }} "scons -j$(nproc) && \
-                        FILEREADER_CACHE=1 CI=1 AZURE_TOKEN='${{ secrets.AZURE_COMMADATACI_OPENPILOTCI_TOKEN }}' python selfdrive/test/process_replay/update_refs.py"
+                        CI=1 AZURE_TOKEN='${{ secrets.AZURE_COMMADATACI_OPENPILOTCI_TOKEN }}' python selfdrive/test/process_replay/update_refs.py"
     - name: "Upload coverage to Codecov"
       uses: codecov/codecov-action@v2
     - name: Print diff
diff --git a/tools/lib/url_file.py b/tools/lib/url_file.py
index ef57e29736..8ad2f96b3a 100644
--- a/tools/lib/url_file.py
+++ b/tools/lib/url_file.py
@@ -121,7 +121,6 @@ class URLFile:
         end = self.get_length() - 1
       else:
         end = min(self._pos + ll, self.get_length()) - 1
-      assert end > 0, "No data from {}".format(self._url)
       if self._pos >= end:
         return b""
       headers.append(f"Range: bytes={self._pos}-{end}")