diff --git a/src/documents/serialisers.py b/src/documents/serialisers.py
index 600645061..db0e610d1 100644
--- a/src/documents/serialisers.py
+++ b/src/documents/serialisers.py
@@ -1,6 +1,5 @@
 import magic
 from django.utils.text import slugify
-from pathvalidate import validate_filename, ValidationError
 from rest_framework import serializers
 from rest_framework.fields import SerializerMethodField
 
@@ -179,12 +178,6 @@ class PostDocumentSerializer(serializers.Serializer):
     )
 
     def validate_document(self, document):
-
-        try:
-            validate_filename(document.name)
-        except ValidationError:
-            raise serializers.ValidationError("Invalid filename.")
-
         document_data = document.file.read()
         mime_type = magic.from_buffer(document_data, mime=True)
 
diff --git a/src/documents/tests/test_api.py b/src/documents/tests/test_api.py
index 572667406..ab1716366 100644
--- a/src/documents/tests/test_api.py
+++ b/src/documents/tests/test_api.py
@@ -403,16 +403,6 @@ class TestDocumentApi(DirectoriesMixin, APITestCase):
         self.assertEqual(response.status_code, 400)
         m.assert_not_called()
 
-    @mock.patch("documents.views.async_task")
-    @mock.patch("documents.serialisers.validate_filename")
-    def test_upload_invalid_filename(self, validate_filename, async_task):
-        validate_filename.side_effect = ValidationError()
-        with open(os.path.join(os.path.dirname(__file__), "samples", "simple.pdf"), "rb") as f:
-            response = self.client.post("/api/documents/post_document/", {"document": f})
-        self.assertEqual(response.status_code, 400)
-
-        async_task.assert_not_called()
-
     @mock.patch("documents.views.async_task")
     def test_upload_with_title(self, async_task):
         with open(os.path.join(os.path.dirname(__file__), "samples", "simple.pdf"), "rb") as f: