diff --git a/graphene/core/fields.py b/graphene/core/fields.py
index 4e95b6d2..c74b2ac4 100644
--- a/graphene/core/fields.py
+++ b/graphene/core/fields.py
@@ -36,12 +36,6 @@ class Field(object):
             self.field_type.contribute_to_class(cls, name)
         cls._meta.add_field(self)
 
-    def resolver(self, instance, args, info):
-        if self.object_type.can_resolve(self.field_name, instance, args, info):
-            return self.resolve(instance, args, info)
-        else:
-            return None
-
     def resolve(self, instance, args, info):
         if self.resolve_fn:
             resolve_fn = self.resolve_fn
@@ -106,7 +100,7 @@ class Field(object):
             internal_type,
             description=self.description,
             args=self.args,
-            resolver=self.resolver,
+            resolver=self.resolve,
         )
 
     def __str__(self):
diff --git a/graphene/core/types.py b/graphene/core/types.py
index 2734803f..59c7221c 100644
--- a/graphene/core/types.py
+++ b/graphene/core/types.py
@@ -121,19 +121,12 @@ class BaseObjectType(object):
         return self.instance.__eq__(other)
 
     def resolve(self, field_name, args, info):
-        if field_name not in self._meta.fields_map.keys():
-            raise Exception('Field %s not found in model %s' % (field_name, self._meta.type_name))
         custom_resolve_fn = 'resolve_%s' % field_name
         if hasattr(self, custom_resolve_fn):
             resolve_fn = getattr(self, custom_resolve_fn)
             return resolve_fn(args, info)
         return self.get_field(field_name)
 
-    @classmethod
-    def can_resolve(cls, field_name, instance, args, info):
-        # Useful for manage permissions in fields
-        return True
-
     @classmethod
     def resolve_type(cls, schema, instance, *_):
         return instance.internal_type(schema)