diff --git a/google/auth/__init__.py b/google/auth/__init__.py
index 2d6caec71..5f716442d 100644
--- a/google/auth/__init__.py
+++ b/google/auth/__init__.py
@@ -49,9 +49,6 @@ class Python37DeprecationWarning(DeprecationWarning):  # pragma: NO COVER
         "for Python 3.7. More details about Python 3.7 support "
         "can be found at https://cloud.google.com/python/docs/python37-sunset/"
     )
-
-    # Configure the Python37DeprecationWarning warning so that it is only emitted once.
-    warnings.simplefilter("once", Python37DeprecationWarning)
     warnings.warn(message, Python37DeprecationWarning)
 
 # Set default logging handler to avoid "No handler found" warnings.
diff --git a/google/oauth2/__init__.py b/google/oauth2/__init__.py
index 3ebf219fd..68524abca 100644
--- a/google/oauth2/__init__.py
+++ b/google/oauth2/__init__.py
@@ -35,6 +35,4 @@ class Python37DeprecationWarning(DeprecationWarning):  # pragma: NO COVER
         "for Python 3.7. More details about Python 3.7 support "
         "can be found at https://cloud.google.com/python/docs/python37-sunset/"
     )
-    # Configure the Python37DeprecationWarning warning so that it is only emitted once.
-    warnings.simplefilter("once", Python37DeprecationWarning)
     warnings.warn(message, Python37DeprecationWarning)
diff --git a/system_tests/secrets.tar.enc b/system_tests/secrets.tar.enc
index e4c71790e..f9e694698 100644
Binary files a/system_tests/secrets.tar.enc and b/system_tests/secrets.tar.enc differ