diff --git a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb
index 3d05f5273606967e17cef23f49ec32942d4f9bfd..848aeb821c598a1211c22ddd6a70180af7e40efa 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract/database_statements.rb
@@ -344,12 +344,18 @@ def sanitize_limit(limit)
       # The default strategy for an UPDATE with joins is to use a subquery. This doesn't work
       # on MySQL (even when aliasing the tables), but MySQL allows using JOIN directly in
       # an UPDATE statement, so in the MySQL adapters we redefine this to do that.
-      def join_to_update(update, select, key) # :nodoc:
+      def join_to_update(update, select) #:nodoc:
+        key = update.key
         subselect = subquery_for(key, select)
 
         update.where key.in(subselect)
       end
-      alias join_to_delete join_to_update
+
+      def join_to_delete(delete, select, key) #:nodoc:
+        subselect = subquery_for(key, select)
+
+        delete.where key.in(subselect)
+      end
 
       protected
 
diff --git a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
index 6fddfb5347bdd5d9fc7b5a857266d747af59d32f..25ba42e5c9184b971ab2aa153d3e7e4c50860c66 100644
--- a/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
+++ b/activerecord/lib/active_record/connection_adapters/abstract_mysql_adapter.rb
@@ -432,7 +432,7 @@ def exec_rollback_db_transaction #:nodoc:
       # In the simple case, MySQL allows us to place JOINs directly into the UPDATE
       # query. However, this does not allow for LIMIT, OFFSET and ORDER. To support
       # these, we must use a subquery.
-      def join_to_update(update, select, key) # :nodoc:
+      def join_to_update(update, select) #:nodoc:
         if select.limit || select.offset || select.orders.any?
           super
         else
diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb
index 316b0d6308a75a9032883a9f9b9800ea5969f812..2cf19c76c5aebf970690d023893857f8ac90222b 100644
--- a/activerecord/lib/active_record/relation.rb
+++ b/activerecord/lib/active_record/relation.rb
@@ -371,11 +371,11 @@ def update_all(updates)
 
       stmt.set Arel.sql(@klass.send(:sanitize_sql_for_assignment, updates))
       stmt.table(table)
+      stmt.key = table[primary_key]
 
       if joins_values.any?
-        @klass.connection.join_to_update(stmt, arel, table[primary_key])
+        @klass.connection.join_to_update(stmt, arel)
       else
-        stmt.key = table[primary_key]
         stmt.take(arel.limit)
         stmt.order(*arel.orders)
         stmt.wheres = arel.constraints