diff --git a/mongoengine/dereference.py b/mongoengine/dereference.py
index 8f30435e..baa2a350 100644
--- a/mongoengine/dereference.py
+++ b/mongoengine/dereference.py
@@ -1,10 +1,8 @@
 from bson import DBRef, SON
 import six
 
-from mongoengine.base.common import get_document
-from mongoengine.base.datastructures import (BaseDict, BaseList,
-                                             EmbeddedDocumentList)
-from mongoengine.base.metaclasses import TopLevelDocumentMetaclass
+from mongoengine.base import (BaseDict, BaseList, EmbeddedDocumentList,
+                              TopLevelDocumentMetaclass, get_document)
 from mongoengine.connection import get_db
 from mongoengine.document import Document, EmbeddedDocument
 from mongoengine.fields import DictField, ListField, MapField, ReferenceField
diff --git a/mongoengine/document.py b/mongoengine/document.py
index e62426b0..3ad5f655 100644
--- a/mongoengine/document.py
+++ b/mongoengine/document.py
@@ -7,12 +7,10 @@ from pymongo.read_preferences import ReadPreference
 import six
 
 from mongoengine import signals
-from mongoengine.base.common import ALLOW_INHERITANCE, get_document
-from mongoengine.base.datastructures import (BaseDict, BaseList,
-                                             EmbeddedDocumentList)
-from mongoengine.base.document import BaseDocument
-from mongoengine.base.metaclasses import (DocumentMetaclass,
-                                          TopLevelDocumentMetaclass)
+from mongoengine.base import (ALLOW_INHERITANCE, BaseDict, BaseDocument,
+                              BaseList, DocumentMetaclass,
+                              EmbeddedDocumentList, TopLevelDocumentMetaclass,
+                              get_document)
 from mongoengine.common import _import_class
 from mongoengine.connection import DEFAULT_CONNECTION_NAME, get_db
 from mongoengine.context_managers import switch_collection, switch_db
diff --git a/mongoengine/fields.py b/mongoengine/fields.py
index e23e115a..3eb2e58a 100644
--- a/mongoengine/fields.py
+++ b/mongoengine/fields.py
@@ -25,10 +25,8 @@ try:
 except ImportError:
     Int64 = long
 
-from mongoengine.base.common import get_document
-from mongoengine.base.document import BaseDocument
-from mongoengine.base.fields import (BaseField, ComplexBaseField,
-                                     GeoJsonBaseField, ObjectIdField)
+from mongoengine.base import (BaseDocument, BaseField, ComplexBaseField,
+                              GeoJsonBaseField, ObjectIdField, get_document)
 from mongoengine.connection import DEFAULT_CONNECTION_NAME, get_db
 from mongoengine.document import Document, EmbeddedDocument
 from mongoengine.errors import DoesNotExist, ValidationError
diff --git a/mongoengine/queryset/__init__.py b/mongoengine/queryset/__init__.py
index 483e847e..5219c39e 100644
--- a/mongoengine/queryset/__init__.py
+++ b/mongoengine/queryset/__init__.py
@@ -1,13 +1,11 @@
-from mongoengine.errors import (DoesNotExist, InvalidQueryError,
-                                MultipleObjectsReturned, NotUniqueError,
-                                OperationError)
-from mongoengine.queryset.base import CASCADE, DENY, DO_NOTHING, NULLIFY, PULL
-from mongoengine.queryset.field_list import QueryFieldList
-from mongoengine.queryset.manager import QuerySetManager, queryset_manager
-from mongoengine.queryset.queryset import QuerySet, QuerySetNoCache
-from mongoengine.queryset.visitor import Q
-
+from mongoengine.errors import *
+from mongoengine.queryset.field_list import *
+from mongoengine.queryset.manager import *
+from mongoengine.queryset.queryset import *
+from mongoengine.queryset.transform import *
+from mongoengine.queryset.visitor import *
 
+# Expose just the public subset of all imported objects and constants.
 __all__ = (
     'QuerySet', 'QuerySetNoCache', 'Q', 'queryset_manager', 'QuerySetManager',
     'QueryFieldList', 'DO_NOTHING', 'NULLIFY', 'CASCADE', 'DENY', 'PULL',