diff --git a/pandas/tests/io/pytables/__init__.py b/pandas/tests/io/pytables/__init__.py
index fb4b317a5e977..d3735f8863c3b 100644
--- a/pandas/tests/io/pytables/__init__.py
+++ b/pandas/tests/io/pytables/__init__.py
@@ -6,4 +6,7 @@
         "ignore:a closed node found in the registry:UserWarning"
     ),
     pytest.mark.filterwarnings(r"ignore:tostring\(\) is deprecated:DeprecationWarning"),
+    pytest.mark.filterwarnings(
+        r"ignore:`np\.object` is a deprecated alias:DeprecationWarning"
+    ),
 ]
diff --git a/pandas/tests/window/__init__.py b/pandas/tests/window/__init__.py
index e69de29bb2d1d..757bdfe755038 100644
--- a/pandas/tests/window/__init__.py
+++ b/pandas/tests/window/__init__.py
@@ -0,0 +1,8 @@
+import pytest
+
+pytestmark = [
+    # 2021-02-01 needed until numba updates their usage
+    pytest.mark.filterwarnings(
+        r"ignore:`np\.int` is a deprecated alias:DeprecationWarning"
+    ),
+]