diff --git a/pyproject.toml b/pyproject.toml
index 2d193ee1..ed7f5445 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -204,8 +204,13 @@ exclude = ["__snapshots__", "_build", "^conftest.py$"]
 python-source = "python"
 
 [tool.pytest.ini_options]
-addopts = ["--import-mode=importlib", "-Werror"]
+addopts = ["--import-mode=importlib"]
 testpaths = ["python"]
 python_files = ["test_*.py", "test.py"]
 markers = ["slow: marks tests as slow (deselect with '-m \"not slow\"')"]
 norecursedirs = ["__snapshots__"]
+filterwarnings = [
+    "error",
+    "ignore::numba.core.errors.NumbaPerformanceWarning",
+    "ignore::pytest_benchmark.logger.PytestBenchmarkWarning",
+]
diff --git a/python/tests/test_high_level.py b/python/tests/test_high_level.py
index 90e32863..57ee0d6f 100644
--- a/python/tests/test_high_level.py
+++ b/python/tests/test_high_level.py
@@ -224,18 +224,22 @@ def __init__(self, x: i64Like) -> None: ...
 
 
 def test_modules() -> None:
-    m = Module()
+    with pytest.deprecated_call():
+        m = Module()
 
     @m.class_
     class Numeric(Expr):
         ONE: ClassVar[Numeric]
 
-    m2 = Module()
+    with pytest.deprecated_call():
+        m2 = Module()
 
-    @m2.class_
-    class OtherNumeric(Expr):
-        @m2.method(cost=10)
-        def __init__(self, v: i64Like) -> None: ...
+    with pytest.deprecated_call():
+
+        @m2.class_
+        class OtherNumeric(Expr):
+            @m2.method(cost=10)
+            def __init__(self, v: i64Like) -> None: ...
 
     egraph = EGraph([m, m2])
 
diff --git a/python/tests/test_modules.py b/python/tests/test_modules.py
index 93c067d1..85b5c38b 100644
--- a/python/tests/test_modules.py
+++ b/python/tests/test_modules.py
@@ -17,18 +17,21 @@ def test_tree_modules():
     # assert _BUILTIN_DECLS
     # assert BUILTINS._mod_decls == ModuleDeclarations(_BUILTIN_DECLS, [])
 
-    A, B, C = Module(), Module(), Module()
+    with pytest.deprecated_call():
+        A, B, C = Module(), Module(), Module()
     # assert list(A._mod_decls._included_decls) == [_BUILTIN_DECLS]
 
-    a = A.relation("a")
-    b = B.relation("b")
-    c = C.relation("c")
+    with pytest.deprecated_call():
+        a = A.relation("a")
+        b = B.relation("b")
+        c = C.relation("c")
     A.register(a())
     B.register(b())
     C.register(c())
 
-    D = Module([A, B])
-    d = D.relation("d")
+    with pytest.deprecated_call():
+        D = Module([A, B])
+        d = D.relation("d")
     D.register(d())
 
     assert D._flatted_deps == [A, B]