diff --git a/ext_tables.sql b/ext_tables.sql
index 00a40375bc..553ec70aed 100644
--- a/ext_tables.sql
+++ b/ext_tables.sql
@@ -2,21 +2,7 @@
 # Table structure for table 'tx_news_domain_model_news'
 #
 CREATE TABLE tx_news_domain_model_news (
-	uid int(11) NOT NULL auto_increment,
-	pid int(11) DEFAULT '0' NOT NULL,
-	tstamp int(11) DEFAULT '0' NOT NULL,
-	crdate int(11) DEFAULT '0' NOT NULL,
-	editlock tinyint(4) DEFAULT '0' NOT NULL,
-	sys_language_uid int(11) DEFAULT '0' NOT NULL,
-	l10n_parent int(11) DEFAULT '0' NOT NULL,
-	l10n_diffsource mediumtext,
-	l10n_source int(11) DEFAULT '0' NOT NULL,
-	deleted tinyint(4) DEFAULT '0' NOT NULL,
-	hidden tinyint(4) DEFAULT '0' NOT NULL,
-	starttime int(11) DEFAULT '0' NOT NULL,
-	endtime int(11) DEFAULT '0' NOT NULL,
-	sorting int(11) DEFAULT '0' NOT NULL,
-	fe_group varchar(100) DEFAULT '' NOT NULL,
+    sorting int(11) DEFAULT '0' NOT NULL,
 	title varchar(255) DEFAULT '' NOT NULL,
 	teaser text,
 	bodytext mediumtext,
@@ -49,9 +35,6 @@ CREATE TABLE tx_news_domain_model_news (
 	import_id varchar(100) DEFAULT '' NOT NULL,
 	import_source varchar(100) DEFAULT '' NOT NULL,
 
-	PRIMARY KEY (uid),
-	KEY parent (pid),
-	KEY sys_language_uid_l10n_parent (sys_language_uid,l10n_parent),
 	KEY path_segment (path_segment(185), uid),
 	KEY import (import_id,import_source)
 );
@@ -61,8 +44,6 @@ CREATE TABLE tx_news_domain_model_news (
 # Extend table structure of table 'sys_category'
 #
 CREATE TABLE sys_category (
-	fe_group varchar(100) DEFAULT '0' NOT NULL,
-
 	images int(11) unsigned DEFAULT '0',
 	single_pid int(11) unsigned DEFAULT '0' NOT NULL,
 	shortcut int(11) DEFAULT '0' NOT NULL,
@@ -109,52 +90,23 @@ CREATE TABLE tx_news_domain_model_news_related_mm (
 # Table structure for table 'tx_news_domain_model_link'
 #
 CREATE TABLE tx_news_domain_model_link (
-	uid int(11) NOT NULL auto_increment,
-	pid int(11) DEFAULT '0' NOT NULL,
-	tstamp int(11) DEFAULT '0' NOT NULL,
-	crdate int(11) DEFAULT '0' NOT NULL,
-	sys_language_uid int(11) DEFAULT '0' NOT NULL,
-	l10n_parent int(11) DEFAULT '0' NOT NULL,
-	l10n_diffsource mediumtext,
-	l10n_source int(11) DEFAULT '0' NOT NULL,
-	sorting int(10) DEFAULT '0' NOT NULL,
-	deleted tinyint(4) DEFAULT '0' NOT NULL,
-	hidden tinyint(4) DEFAULT '0' NOT NULL,
 	parent int(11) DEFAULT '0' NOT NULL,
 	title tinytext,
 	description text,
-	uri text,
-
-	PRIMARY KEY (uid),
-	KEY parent (pid),
-	KEY news (parent)
+	uri text
 );
 
 #
 # Table structure for table 'tx_news_domain_model_tag'
 #
 CREATE TABLE tx_news_domain_model_tag (
-	uid int(11) NOT NULL auto_increment,
-	pid int(11) DEFAULT '0' NOT NULL,
-	tstamp int(11) DEFAULT '0' NOT NULL,
-	crdate int(11) DEFAULT '0' NOT NULL,
-	sorting int(11) DEFAULT '0' NOT NULL,
-	deleted tinyint(4) DEFAULT '0' NOT NULL,
-	hidden tinyint(4) DEFAULT '0' NOT NULL,
-	sys_language_uid int(11) DEFAULT '0' NOT NULL,
-	l10n_parent int(11) DEFAULT '0' NOT NULL,
-	l10n_diffsource mediumtext,
-	l10n_source int(11) DEFAULT '0' NOT NULL,
 	title tinytext,
 	slug varchar(2048),
 	seo_title varchar(255) NOT NULL DEFAULT '',
 	seo_description text,
 	seo_headline varchar(255) NOT NULL DEFAULT '',
 	seo_text text,
-	notes text,
-
-	PRIMARY KEY (uid),
-	KEY parent (pid)
+	notes text
 );
 
 #