diff --git a/testing/web-platform/tests/tools/conftest.py b/testing/web-platform/tests/tools/conftest.py
index 894fe6223ea5..021a49fc2973 100644
--- a/testing/web-platform/tests/tools/conftest.py
+++ b/testing/web-platform/tests/tools/conftest.py
@@ -6,8 +6,10 @@ from hypothesis import settings, HealthCheck
 impl = platform.python_implementation()
 
 settings.register_profile("ci", settings(max_examples=1000,
+                                         deadline=None,
                                          suppress_health_check=[HealthCheck.too_slow]))
-settings.register_profile("pypy", settings(suppress_health_check=[HealthCheck.too_slow]))
+settings.register_profile("pypy", settings(deadline=None,
+                                           suppress_health_check=[HealthCheck.too_slow]))
 
 settings.load_profile(os.getenv("HYPOTHESIS_PROFILE",
                                 "default" if impl != "PyPy" else "pypy"))