diff --git a/django/contrib/localflavor/in_/in_states.py b/django/contrib/localflavor/in_/in_states.py
index bb4a7482ca..25b220b94a 100644
--- a/django/contrib/localflavor/in_/in_states.py
+++ b/django/contrib/localflavor/in_/in_states.py
@@ -79,6 +79,5 @@ STATES_NORMALIZED = {
     'orisa': 'OR',
     'odisa': 'OR',
     'or': 'OR',
-    'ar': 'AR',
 }