diff --git a/django/contrib/contenttypes/generic.py b/django/contrib/contenttypes/generic.py
index 69dd527037..5c6d61cb40 100644
--- a/django/contrib/contenttypes/generic.py
+++ b/django/contrib/contenttypes/generic.py
@@ -219,7 +219,6 @@ class ReverseGenericRelatedObjectsDescriptor(object):
             model = rel_model,
             instance = instance,
             symmetrical = (self.field.rel.symmetrical and instance.__class__ == rel_model),
-            join_table = qn(self.field.m2m_db_table()),
             source_col_name = qn(self.field.m2m_column_name()),
             target_col_name = qn(self.field.m2m_reverse_name()),
             content_type = ContentType.objects.db_manager(instance._state.db).get_for_model(instance),
@@ -246,7 +245,7 @@ def create_generic_related_manager(superclass):
 
     class GenericRelatedObjectManager(superclass):
         def __init__(self, model=None, core_filters=None, instance=None, symmetrical=None,
-                     join_table=None, source_col_name=None, target_col_name=None, content_type=None,
+                     source_col_name=None, target_col_name=None, content_type=None,
                      content_type_field_name=None, object_id_field_name=None):
 
             super(GenericRelatedObjectManager, self).__init__()
@@ -255,8 +254,6 @@ def create_generic_related_manager(superclass):
             self.content_type = content_type
             self.symmetrical = symmetrical
             self.instance = instance
-            self.join_table = join_table
-            self.join_table = model._meta.db_table
             self.source_col_name = source_col_name
             self.target_col_name = target_col_name
             self.content_type_field_name = content_type_field_name
diff --git a/django/db/models/fields/related.py b/django/db/models/fields/related.py
index fa7b482f24..9aa3c7e85e 100644
--- a/django/db/models/fields/related.py
+++ b/django/db/models/fields/related.py
@@ -474,8 +474,7 @@ def create_many_related_manager(superclass, rel=False):
     through = rel.through
     class ManyRelatedManager(superclass):
         def __init__(self, model=None, core_filters=None, instance=None, symmetrical=None,
-                join_table=None, source_field_name=None, target_field_name=None,
-                reverse=False):
+                     source_field_name=None, target_field_name=None, reverse=False):
             super(ManyRelatedManager, self).__init__()
             self.core_filters = core_filters
             self.model = model
@@ -544,9 +543,8 @@ def create_many_related_manager(superclass, rel=False):
         get_or_create.alters_data = True
 
         def _add_items(self, source_field_name, target_field_name, *objs):
-            # join_table: name of the m2m link table
-            # source_field_name: the PK fieldname in join_table for the source object
-            # target_field_name: the PK fieldname in join_table for the target object
+            # source_field_name: the PK fieldname in join table for the source object
+            # target_field_name: the PK fieldname in join table for the target object
             # *objs - objects to add. Either object instances, or primary keys of object instances.
 
             # If there aren't any objects, there is nothing to do.
@@ -593,8 +591,8 @@ def create_many_related_manager(superclass, rel=False):
                         model=self.model, pk_set=new_ids, using=db)
 
         def _remove_items(self, source_field_name, target_field_name, *objs):
-            # source_col_name: the PK colname in join_table for the source object
-            # target_col_name: the PK colname in join_table for the target object
+            # source_field_name: the PK colname in join table for the source object
+            # target_field_name: the PK colname in join table for the target object
             # *objs - objects to remove
 
             # If there aren't any objects, there is nothing to do.
@@ -629,7 +627,7 @@ def create_many_related_manager(superclass, rel=False):
 
         def _clear_items(self, source_field_name):
             db = router.db_for_write(self.through, instance=self.instance)
-            # source_col_name: the PK colname in join_table for the source object
+            # source_field_name: the PK colname in join table for the source object
             if self.reverse or source_field_name == self.source_field_name:
                 # Don't send the signal when we are clearing the
                 # duplicate data rows for symmetrical reverse entries.