diff --git a/tox.ini b/tox.ini
index 064c68daa..0ebabe2c1 100644
--- a/tox.ini
+++ b/tox.ini
@@ -48,28 +48,8 @@ markers =
     obolibrary
 filterwarnings =
     error
-    ignore:No cached namespaces found .*:UserWarning
-    ignore:ignoring namespace '.*' because it already exists:UserWarning
-    ignore::DeprecationWarning:responses
-    ignore::DeprecationWarning:requests_toolbelt
-    # <https://github.com/h5py/h5py/issues/1765>
-    # <https://github.com/dandi/dandi-cli/pull/275>
-    ignore:.* size changed, may indicate binary incompatibility.*:RuntimeWarning
-    # <https://github.com/hdmf-dev/hdmf/issues/547>
-    ignore:\s*safe_load will be removed.*:PendingDeprecationWarning:hdmf
-    ignore:\s*load will be removed.*:PendingDeprecationWarning:ruamel.yaml
-    ignore:Passing None into shape arguments.*:DeprecationWarning:h5py
-    ignore:the imp module is deprecated:DeprecationWarning
-    ignore:`Unit` has been deprecated:DeprecationWarning:humanize
-    ignore:The distutils package is deprecated:DeprecationWarning:joblib
-    ignore:datetime.datetime.utcfromtimestamp\(\) is deprecated.*:DeprecationWarning:dateutil
-    ignore:\s*Pyarrow will become a required dependency of pandas:DeprecationWarning
+    # dandi/tests/test_pynwb_utils.py::test_nwb_has_external_links
     ignore:.*Value with data type .* is being converted:hdmf.build.warnings.DtypeConversionWarning
-    ignore:.*find_spec\(\) not found:ImportWarning
-    ignore:'cgi' is deprecated:DeprecationWarning:botocore
-    ignore:.*unclosed.*:ResourceWarning:vcr
-    # addressed in joblib 0.8.2-826-g05caf07
-    ignore:(ast.Num|Attribute n) is deprecated.*:DeprecationWarning:joblib
 
 [coverage:run]
 parallel = True