diff --git a/pylint_django/augmentations/__init__.py b/pylint_django/augmentations/__init__.py
index 2981fc48..543d7429 100644
--- a/pylint_django/augmentations/__init__.py
+++ b/pylint_django/augmentations/__init__.py
@@ -787,12 +787,6 @@ def apply_augmentations(linter):
     # model forms have no __init__ method anywhere in their bases
     suppress_message(linter, ClassChecker.visit_classdef, 'W0232', is_class('django.forms.models.ModelForm'))
 
-    # forms implement __getitem__ but not __len__, thus raising a "Badly implemented container" warning which
-    # we will suppress. NOTE: removed from pylint, https://github.com/PyCQA/pylint/issues/112
-    # keeping here in case it gets re-implemented
-    # suppress_message(linter, _leave_classdef(MisdesignChecker), 'R0924', is_class('django.forms.forms.Form'))
-    # suppress_message(linter, _leave_classdef(MisdesignChecker), 'R0924', is_class('django.forms.models.ModelForm'))
-
     # Meta
     suppress_message(linter, DocStringChecker.visit_classdef, 'missing-docstring', is_model_meta_subclass)
     pylint_newstyle_classdef_compat(linter, 'old-style-class', is_model_meta_subclass)
diff --git a/pylint_django/compat.py b/pylint_django/compat.py
index 6d70e2bc..590cd8f2 100644
--- a/pylint_django/compat.py
+++ b/pylint_django/compat.py
@@ -13,6 +13,7 @@
         Getattr as Attribute,
     )
 
+# pylint 2.04->2.2 : YES was renamed to Uninferable, then YES became deprecated, then was removed
 try:
     from astroid.bases import YES as Uninferable
 except ImportError:
@@ -21,23 +22,3 @@
     except ImportError:
         from astroid.util import Uninferable
 
-try:
-    django = __import__("django")
-    django_version = django.VERSION
-except ImportError:
-    # if not available, will be handled by the django_installed checker
-    django_version = (1, 5)
-
-
-def inferred(node):
-    if hasattr(node, "inferred"):
-        return node.inferred
-    else:
-        return node.infered
-
-
-def instantiate_class(node):
-    if hasattr(node, "instantiate_class"):
-        return node.instantiate_class
-    else:
-        return node.instanciate_class