diff --git a/bleach/html5lib_shim.py b/bleach/html5lib_shim.py
index d121953..29c5177 100644
--- a/bleach/html5lib_shim.py
+++ b/bleach/html5lib_shim.py
@@ -14,46 +14,46 @@ warnings.filterwarnings(
     "ignore",
     message="html5lib's sanitizer is deprecated",
     category=DeprecationWarning,
-    module="bleach._vendor.html5lib",
+    module="html5lib",
 )
 
-from bleach._vendor.html5lib import (  # noqa: E402 module level import not at top of file
+from html5lib import (  # noqa: E402 module level import not at top of file
     HTMLParser,
     getTreeWalker,
 )
-from bleach._vendor.html5lib import (
+from html5lib import (
     constants,
 )  # noqa: E402 module level import not at top of file
-from bleach._vendor.html5lib.constants import (  # noqa: E402 module level import not at top of file
+from html5lib.constants import (  # noqa: E402 module level import not at top of file
     namespaces,
     prefixes,
 )
-from bleach._vendor.html5lib.constants import (
+from html5lib.constants import (
     _ReparseException as ReparseException,
 )  # noqa: E402 module level import not at top of file
-from bleach._vendor.html5lib.filters.base import (
+from html5lib.filters.base import (
     Filter,
 )  # noqa: E402 module level import not at top of file
-from bleach._vendor.html5lib.filters.sanitizer import (
+from html5lib.filters.sanitizer import (
     allowed_protocols,
     allowed_css_properties,
     allowed_svg_properties,
 )  # noqa: E402 module level import not at top of file
-from bleach._vendor.html5lib.filters.sanitizer import (
+from html5lib.filters.sanitizer import (
     Filter as SanitizerFilter,
 )  # noqa: E402 module level import not at top of file
-from bleach._vendor.html5lib._inputstream import (
+from html5lib._inputstream import (
     HTMLInputStream,
 )  # noqa: E402 module level import not at top of file
-from bleach._vendor.html5lib.serializer import (
+from html5lib.serializer import (
     escape,
     HTMLSerializer,
 )  # noqa: E402 module level import not at top of file
-from bleach._vendor.html5lib._tokenizer import (
+from html5lib._tokenizer import (
     attributeMap,
     HTMLTokenizer,
 )  # noqa: E402 module level import not at top of file
-from bleach._vendor.html5lib._trie import (
+from html5lib._trie import (
     Trie,
 )  # noqa: E402 module level import not at top of file
 
diff --git a/bleach/parse_shim.py b/bleach/parse_shim.py
index c7ce2d4..cf9b2e8 100644
--- a/bleach/parse_shim.py
+++ b/bleach/parse_shim.py
@@ -1 +1 @@
-from bleach._vendor.parse import urlparse  # noqa
+from urllib.parse import urlparse
diff --git a/bleach/sanitizer.py b/bleach/sanitizer.py
index 6527ac0..b9f747c 100644
--- a/bleach/sanitizer.py
+++ b/bleach/sanitizer.py
@@ -277,7 +277,7 @@ class BleachSanitizerFilter(html5lib_shim.SanitizerFilter):
             "ignore",
             message="html5lib's sanitizer is deprecated",
             category=DeprecationWarning,
-            module="bleach._vendor.html5lib",
+            module="html5lib",
         )
         return super().__init__(
             source,
diff --git a/tests/test_clean.py b/tests/test_clean.py
index b8e9cf1..61f311f 100644
--- a/tests/test_clean.py
+++ b/tests/test_clean.py
@@ -5,7 +5,7 @@ import pytest
 from bleach import clean
 from bleach.html5lib_shim import Filter
 from bleach.sanitizer import ALLOWED_PROTOCOLS, Cleaner
-from bleach._vendor.html5lib.constants import rcdataElements
+from html5lib.constants import rcdataElements
 
 
 @pytest.mark.parametrize(