diff --git a/scripts/build-deps b/scripts/build-deps
index d278c27c0..f34ed5a5b 100755
--- a/scripts/build-deps
+++ b/scripts/build-deps
@@ -57,11 +57,11 @@ echo ./configure
     --disable-doc \
     --disable-static \
     --disable-stripping \
+    --disable-libxml2 \
     --enable-debug=3 \
     --enable-gpl \
     --enable-version3 \
     --enable-libx264 \
-    --enable-libxml2 \
     --enable-shared \
     --enable-sse \
     --enable-avx \
diff --git a/scripts/ffmpeg-7.1.json b/scripts/ffmpeg-7.1.json
index 26641cedc..8a606aea3 100644
--- a/scripts/ffmpeg-7.1.json
+++ b/scripts/ffmpeg-7.1.json
@@ -1,3 +1,3 @@
 {
-    "url": "https://github.com/PyAV-Org/pyav-ffmpeg/releases/download/7.1.1-4/ffmpeg-{platform}.tar.gz"
+    "url": "https://github.com/PyAV-Org/pyav-ffmpeg/releases/download/7.1.1-5/ffmpeg-{platform}.tar.gz"
 }
diff --git a/tests/test_python_io.py b/tests/test_python_io.py
index 3169ae047..5a4d1becf 100644
--- a/tests/test_python_io.py
+++ b/tests/test_python_io.py
@@ -237,42 +237,6 @@ def test_writing_to_buffer_broken_with_close(self) -> None:
             with pytest.raises(OSError):
                 container.close()
 
-    @run_in_sandbox
-    def test_writing_to_custom_io_dash(self) -> None:
-        # Custom I/O that opens file and logs calls
-        wrapped_custom_io = CustomIOLogger()
-
-        output_filename = "custom_io_output.mpd"
-
-        # Write a DASH package using the custom IO. Prefix the name with CUSTOM_IO_PROTOCOL to
-        # avoid temporary file and renaming.
-        with av.open(
-            CUSTOM_IO_PROTOCOL + output_filename, "w", io_open=wrapped_custom_io
-        ) as container:
-            write_rgb_rotate(container)
-
-        # Check that at least 3 files were opened using the custom IO:
-        #   "output_filename", init-stream0.m4s and chunk-stream-0x.m4s
-        assert len(wrapped_custom_io._log) >= 3
-        assert len(wrapped_custom_io._method_log) >= 3
-
-        # Check that all files were written to
-        all_write = all(
-            method_log._filter("write") for method_log in wrapped_custom_io._method_log
-        )
-        assert all_write
-
-        # Check that all files were closed
-        all_closed = all(
-            method_log._filter("close") for method_log in wrapped_custom_io._method_log
-        )
-        assert all_closed
-
-        # Check contents.
-        # Note that the dash demuxer doesn't support custom I/O.
-        with av.open(output_filename, "r") as container:
-            assert_rgb_rotate(self, container, is_dash=True)
-
     def test_writing_to_custom_io_image2(self) -> None:
         if not has_pillow:
             pytest.skip()