Refs #26154 -- Removed deprecated CommaSeparatedIntegerField.

5 files changed, 6 insertions, 19 deletions

diff --git a/django/db/backends/mysql/base.py b/django/db/backends/mysql/base.py
index d7bb129744..a2416c82cd 100644
--- a/django/db/backends/mysql/base.py
+++ b/django/db/backends/mysql/base.py
@@ -135,7 +135,6 @@ class DatabaseWrapper(BaseDatabaseWrapper):
         'BinaryField': 'longblob',
         'BooleanField': 'bool',
         'CharField': 'varchar(%(max_length)s)',
-        'CommaSeparatedIntegerField': 'varchar(%(max_length)s)',
         'DateField': 'date',
         'DateTimeField': 'datetime',
         'DecimalField': 'numeric(%(max_digits)s, %(decimal_places)s)',
diff --git a/django/db/backends/oracle/base.py b/django/db/backends/oracle/base.py
index c40a515f33..cf17f9fa6c 100644
--- a/django/db/backends/oracle/base.py
+++ b/django/db/backends/oracle/base.py
@@ -89,7 +89,6 @@ class DatabaseWrapper(BaseDatabaseWrapper):
         'BinaryField': 'BLOB',
         'BooleanField': 'NUMBER(1)',
         'CharField': 'NVARCHAR2(%(max_length)s)',
-        'CommaSeparatedIntegerField': 'VARCHAR2(%(max_length)s)',
         'DateField': 'DATE',
         'DateTimeField': 'TIMESTAMP',
         'DecimalField': 'NUMBER(%(max_digits)s, %(decimal_places)s)',
diff --git a/django/db/backends/postgresql/base.py b/django/db/backends/postgresql/base.py
index c40a67b2e1..85a21a8905 100644
--- a/django/db/backends/postgresql/base.py
+++ b/django/db/backends/postgresql/base.py
@@ -76,7 +76,6 @@ class DatabaseWrapper(BaseDatabaseWrapper):
         'BinaryField': 'bytea',
         'BooleanField': 'boolean',
         'CharField': 'varchar(%(max_length)s)',
-        'CommaSeparatedIntegerField': 'varchar(%(max_length)s)',
         'DateField': 'date',
         'DateTimeField': 'timestamp with time zone',
         'DecimalField': 'numeric(%(max_digits)s, %(decimal_places)s)',
diff --git a/django/db/backends/sqlite3/base.py b/django/db/backends/sqlite3/base.py
index 0c26882a57..252293d9cc 100644
--- a/django/db/backends/sqlite3/base.py
+++ b/django/db/backends/sqlite3/base.py
@@ -73,7 +73,6 @@ class DatabaseWrapper(BaseDatabaseWrapper):
         'BinaryField': 'BLOB',
         'BooleanField': 'bool',
         'CharField': 'varchar(%(max_length)s)',
-        'CommaSeparatedIntegerField': 'varchar(%(max_length)s)',
         'DateField': 'date',
         'DateTimeField': 'datetime',
         'DecimalField': 'decimal',
diff --git a/django/db/models/fields/__init__.py b/django/db/models/fields/__init__.py
index f5d6734aab..2018797564 100644
--- a/django/db/models/fields/__init__.py
+++ b/django/db/models/fields/__init__.py
@@ -1090,27 +1090,18 @@ class CharField(Field):
 class CommaSeparatedIntegerField(CharField):
     default_validators = [validators.validate_comma_separated_integer_list]
     description = _("Comma-separated integers")
-    system_check_deprecated_details = {
+    system_check_removed_details = {
         'msg': (
-            'CommaSeparatedIntegerField has been deprecated. Support '
-            'for it (except in historical migrations) will be removed '
-            'in Django 2.0.'
+            'CommaSeparatedIntegerField is removed except for support in '
+            'historical migrations.'
         ),
         'hint': (
-            'Use CharField(validators=[validate_comma_separated_integer_list]) instead.'
+            'Use CharField(validators=[validate_comma_separated_integer_list]) '
+            'instead.'
         ),
-        'id': 'fields.W901',
+        'id': 'fields.E901',
     }
 
-    def formfield(self, **kwargs):
-        defaults = {
-            'error_messages': {
-                'invalid': _('Enter only digits separated by commas.'),
-            }
-        }
-        defaults.update(kwargs)
-        return super(CommaSeparatedIntegerField, self).formfield(**defaults)
-
 
 class DateTimeCheckMixin(object):