diff --git a/docs/presentations/demo_encryption.py b/docs/presentations/demo_encryption.py
index 66be9d6..f605fc6 100644
--- a/docs/presentations/demo_encryption.py
+++ b/docs/presentations/demo_encryption.py
@@ -3,7 +3,7 @@
 from ming.datastore import create_engine, create_datastore, DataStore
 from ming.encryption import EncryptionConfig
 import ming.schema as S
-from ming.tests import EncryptionConfigHelper
+from ming.tests import make_encryption_key
 
 bind: DataStore = create_datastore(
     'mongodb://localhost:27017/test_database',
@@ -11,7 +11,7 @@
             'kms_providers': {
                 'local': {
                     # Don't use this for production! This is just for demo purposes
-                    'key': EncryptionConfigHelper.make_encryption_key('demo_encryption'),
+                    'key': make_encryption_key('demo_encryption'),
                 },
             },
             'key_vault_namespace': 'demo_encryption_db.__keyVault',
diff --git a/ming/tests/__init__.py b/ming/tests/__init__.py
index e71f4aa..079ac75 100644
--- a/ming/tests/__init__.py
+++ b/ming/tests/__init__.py
@@ -14,12 +14,13 @@ def push_seed(seed):
         random.setstate(rstate)
 
 
-class EncryptionConfigHelper:
+@staticmethod
+def make_encryption_key(seed=__name__):
+    with push_seed(seed):
+        return base64.b64encode(os.urandom(96)).decode('ascii')
+
 
-    @staticmethod
-    def make_encryption_key(seed=__name__):
-        with push_seed(seed):
-            return base64.b64encode(os.urandom(96)).decode('ascii')
+class EncryptionConfigHelper:
 
     LOCAL_KEY_VAULT_NAMESPACE = 'encryption_test.coll_key_vault_test'
     LOCAL_KEY = make_encryption_key('test local key')
diff --git a/ming/tests/test_datastore.py b/ming/tests/test_datastore.py
index a58e1e0..8dada8d 100644
--- a/ming/tests/test_datastore.py
+++ b/ming/tests/test_datastore.py
@@ -11,7 +11,7 @@
 from ming import create_datastore, create_engine
 from ming.exc import MingConfigError
 from ming.datastore import Engine
-from ming.tests import EncryptionConfigHelper
+from ming.tests import EncryptionConfigHelper, make_encryption_key
 
 
 class DummyConnection:
@@ -178,7 +178,7 @@ def test_configure_optional_params(self):
         assert session.bind.db is not None
 
     def test_configure_encryption(self):
-        encryption_key = EncryptionConfigHelper.make_encryption_key('foo')
+        encryption_key = make_encryption_key('foo')
         ming.configure(**{
             'ming.main.uri': 'mongodb://localhost:27017/test_db',
             'ming.main.replicaSet': 'foobar',
diff --git a/ming/tests/test_declarative.py b/ming/tests/test_declarative.py
index 2a0cfe9..a31a33a 100644
--- a/ming/tests/test_declarative.py
+++ b/ming/tests/test_declarative.py
@@ -15,7 +15,7 @@
 from ming.odm.odmsession import ODMSession, ThreadLocalODMSession
 from ming.session import Session
 from ming.exc import MingException
-from ming.tests import EncryptionConfigHelper
+from ming.tests import make_encryption_key
 
 
 def mock_datastore():
@@ -183,7 +183,7 @@ def setUp(self):
         encryption_config = EncryptionConfig({
             'kms_providers': {
                 'local': {
-                    'key': EncryptionConfigHelper.make_encryption_key(__name__),
+                    'key': make_encryption_key(__name__),
                 },
             },
             'key_vault_namespace': 'encryption.__keyVault',