diff --git a/jedi/evaluate/imports.py b/jedi/evaluate/imports.py
index 8660782b..9bd2d10b 100644
--- a/jedi/evaluate/imports.py
+++ b/jedi/evaluate/imports.py
@@ -230,7 +230,12 @@ class NestedImportModule(pr.Module):
         debug.dbg('Generated a nested import: %s', new)
         return helpers.FakeName(str(i.namespace.names[1]), new)
 
-    def get_defined_names(self):
+    def _get_defined_names(self):
+        """
+        NesteImportModule don't seem to be actively used, right now.
+        However, they might in the future. If we do more sophisticated static
+        analysis checks.
+        """
         nested = self._get_nested_import_name()
         return self._module.get_defined_names() + [nested]
 
@@ -256,12 +261,6 @@ class StarImportModule(pr.Module):
         for s in self.star_import_modules:
             yield s, s.get_defined_names()
 
-    def get_defined_names(self):
-        result = self._module.get_defined_names()
-        for m in self.star_import_modules:
-            result += m.get_defined_names()
-        return result
-
     def __getattr__(self, name):
         return getattr(self._module, name)
 
diff --git a/jedi/evaluate/iterable.py b/jedi/evaluate/iterable.py
index 36b432e1..b4d282dc 100644
--- a/jedi/evaluate/iterable.py
+++ b/jedi/evaluate/iterable.py
@@ -183,8 +183,8 @@ class Array(use_metaclass(CachedMetaClass, pr.Base)):
         # `array.type` is a string with the type, e.g. 'list'.
         scope = self._evaluator.find_types(compiled.builtin, self._array.type)[0]
         scope = self._evaluator.execute(scope)[0]  # builtins only have one class
-        names = scope.get_defined_names()
-        yield self, [ArrayMethod(n) for n in names]
+        for _, names in scope.scope_names_generator():
+            yield self, [ArrayMethod(n) for n in names]
 
     @common.safe_property
     def parent(self):
diff --git a/jedi/evaluate/representation.py b/jedi/evaluate/representation.py
index 709aa891..74ffcdad 100644
--- a/jedi/evaluate/representation.py
+++ b/jedi/evaluate/representation.py
@@ -139,18 +139,6 @@ class Instance(use_metaclass(CachedMetaClass, Executable)):
         args = [obj, obj.base] if isinstance(obj, Instance) else [None, obj]
         return self.execute_subscope_by_name('__get__', args)
 
-    @memoize_default([])
-    def get_defined_names(self):
-        """
-        Get the instance vars of a class. This includes the vars of all
-        classes
-        """
-        names = self.get_self_attributes()
-
-        for var in self.base.instance_names():
-            names.append(InstanceElement(self._evaluator, self, var, True))
-        return names
-
     def scope_names_generator(self, position=None):
         """
         An Instance has two scopes: The scope with self names and the class
@@ -309,12 +297,6 @@ class Class(use_metaclass(CachedMetaClass, pr.IsScope)):
         result += super_result
         return result
 
-    @memoize_default(default=())
-    def get_defined_names(self):
-        result = self.instance_names()
-        type_cls = self._evaluator.find_types(compiled.builtin, 'type')[0]
-        return result + list(type_cls.get_defined_names())
-
     def scope_names_generator(self, position=None):
         yield self, self.instance_names()
         yield self, compiled.type_names
diff --git a/test/test_evaluate/test_compiled.py b/test/test_evaluate/test_compiled.py
index 449dce3d..e238cd81 100644
--- a/test/test_evaluate/test_compiled.py
+++ b/test/test_evaluate/test_compiled.py
@@ -62,5 +62,5 @@ def test_string_literals():
         assert typ('b""') == 'bytes'
         assert typ('u""') == 'str'
     else:
-        assert typ('b""') == 'string'
+        assert typ('b""') == 'str'
         assert typ('u""') == 'unicode'