diff --git a/graphene/relay/node.py b/graphene/relay/node.py
index aa6e2dc0..b129adbf 100644
--- a/graphene/relay/node.py
+++ b/graphene/relay/node.py
@@ -6,7 +6,7 @@ from graphql_relay import from_global_id, to_global_id
 
 from ..types import ID, Field, Interface, ObjectType
 from ..types.utils import get_type
-from ..types.interface import InterfaceMeta
+from ..types.interface import InterfaceOptions
 
 
 def is_node(objecttype):
@@ -22,18 +22,6 @@ def is_node(objecttype):
     return False
 
 
-def get_default_connection(cls):
-    from .connection import Connection
-    assert issubclass(cls, ObjectType), (
-        'Can only get connection type on implemented Nodes.'
-    )
-
-    class Meta:
-        node = cls
-
-    return type('{}Connection'.format(cls.__name__), (Connection,), {'Meta': Meta})
-
-
 class GlobalID(Field):
 
     def __init__(self, node=None, parent_type=None, required=True, *args, **kwargs):
@@ -51,14 +39,6 @@ class GlobalID(Field):
         return partial(self.id_resolver, parent_resolver, self.node, parent_type_name=self.parent_type_name)
 
 
-class NodeMeta(InterfaceMeta):
-
-    def __new__(cls, name, bases, attrs):
-        cls = InterfaceMeta.__new__(cls, name, bases, attrs)
-        cls._meta.fields['id'] = GlobalID(cls, description='The ID of the object.')
-        return cls
-
-
 class NodeField(Field):
 
     def __init__(self, node, type=False, deprecation_reason=None,
@@ -78,9 +58,16 @@ class NodeField(Field):
         return partial(self.node_type.node_resolver, only_type=get_type(self.field_type))
 
 
-class Node(six.with_metaclass(NodeMeta, Interface)):
+class Node(Interface):
     '''An object with an ID'''
 
+    def __init_subclass_with_meta__(cls, **options):
+        _meta = InterfaceOptions(cls)
+        _meta.fields = {
+            'id': GlobalID(cls, description='The ID of the object.')
+        }
+        super(Node, cls).__init_subclass_with_meta__(cls, _meta=_meta, **options)
+
     @classmethod
     def Field(cls, *args, **kwargs):  # noqa: N802
         return NodeField(cls, *args, **kwargs)
@@ -117,11 +104,3 @@ class Node(six.with_metaclass(NodeMeta, Interface)):
     @classmethod
     def to_global_id(cls, type, id):
         return to_global_id(type, id)
-
-    @classmethod
-    def implements(cls, objecttype):
-        get_connection = getattr(objecttype, 'get_connection', None)
-        if not get_connection:
-            get_connection = partial(get_default_connection, objecttype)
-
-        objecttype.Connection = get_connection()
diff --git a/graphene/types/interface.py b/graphene/types/interface.py
index adbd7c5c..dc7c34cc 100644
--- a/graphene/types/interface.py
+++ b/graphene/types/interface.py
@@ -19,16 +19,21 @@ class Interface(BaseType):
     when the field is resolved.
     '''
     @classmethod
-    def __init_subclass_with_meta__(cls, **options):
-        _meta = InterfaceOptions(cls)
+    def __init_subclass_with_meta__(cls, _meta=None, **options):
+        if not _meta:
+            _meta = InterfaceOptions(cls)
 
         fields = OrderedDict()
         for base in reversed(cls.__mro__):
             fields.update(
                 yank_fields_from_attrs(base.__dict__, _as=Field)
             )
+        
+        if _meta.fields:
+            _meta.fields.update(fields)
+        else:
+            _meta.fields = fields
 
-        _meta.fields = fields
         super(Interface, cls).__init_subclass_with_meta__(_meta=_meta, **options)
 
     @classmethod
diff --git a/graphene/types/mutation.py b/graphene/types/mutation.py
index 9ef75df7..e6ade33e 100644
--- a/graphene/types/mutation.py
+++ b/graphene/types/mutation.py
@@ -35,7 +35,12 @@ class Mutation(ObjectType):
             output = cls
         
         if not arguments:
-            input_class = getattr(cls, 'Input', None)
+            input_class = getattr(cls, 'Arguments', None)
+            if not input_class:
+                input_class = getattr(cls, 'Input', None)
+                if input_class:
+                    print("WARNING: Please use Arguments for Mutation (Input is for ClientMutationID)")
+
             if input_class:
                 arguments = props(input_class)
             else:
diff --git a/graphene/types/tests/test_options.py b/graphene/types/tests/test_options.py
deleted file mode 100644
index fbcba2db..00000000
--- a/graphene/types/tests/test_options.py
+++ /dev/null
@@ -1,30 +0,0 @@
-import pytest
-
-from ..options import Options
-
-
-def test_options():
-    class BaseOptions:
-        option_1 = False
-        name = True
-    meta = Options(BaseOptions, name=False, option_1=False)
-    assert meta.name == True
-    assert meta.option_1 == False
-
-
-def test_options_extra_attrs():
-    class BaseOptions:
-        name = True
-        type = True
-    
-    with pytest.raises(Exception) as exc_info:
-        meta = Options(BaseOptions)
-
-    assert str(exc_info.value) == 'Invalid attributes: name, type'
-
-
-def test_options_repr():
-    class BaseOptions:
-        name = True
-    meta = Options(BaseOptions, name=False)
-    assert repr(meta) == '<Options name=True>'