diff --git a/sql/mangos.sql b/sql/mangos.sql
index c93644aee..ad04100c9 100644
--- a/sql/mangos.sql
+++ b/sql/mangos.sql
@@ -24,7 +24,7 @@ CREATE TABLE `db_version` (
   `version` varchar(120) default NULL,
   `creature_ai_version` varchar(120) default NULL,
   `cache_id` int(10) default '0',
-  `required_10427_01_mangos_spell_proc_event` bit(1) default NULL
+  `required_10430_01_mangos_spell_chain` bit(1) default NULL
 ) ENGINE=MyISAM DEFAULT CHARSET=utf8 ROW_FORMAT=FIXED COMMENT='Used DB version notes';
 
 --
@@ -14757,14 +14757,6 @@ INSERT INTO spell_chain VALUES
 (42858,27074,2948,10,0),
 (42859,42858,2948,11,0),
 /*------------------
---(39)Subtlety
-------------------*/
-/*Stealth*/
-(1784,0,1784,1,0),
-(1785,1784,1784,2,0),
-(1786,1785,1784,3,0),
-(1787,1786,1784,4,0),
-/*------------------
 -- (50) Beast Mastery
 ------------------*/
 /*Aspect of the Dragonhawk*/
@@ -15098,13 +15090,6 @@ INSERT INTO spell_chain VALUES
 (48159,34917,34914,4,0),
 (48160,48159,34914,5,0),
 /*------------------
--- (134) Feral Combat (Druid)
-------------------*/
-/*Prowl*/
-(5215,0,5215,1,0),
-(6783,5215,5215,2,0),
-(9913,6783,5215,3,0),
-/*------------------
 --(163)Marksmanship
 ------------------*/
 /*Aimed Shot*/
@@ -15374,17 +15359,6 @@ INSERT INTO spell_chain VALUES
 (43987,0,43987,1,0),
 (58659,43987,43987,2,0),
 /*------------------
---(253)Assassination
-------------------*/
-/*ExposeArmor*/
-(8647,0,8647,1,0),
-(8649,8647,8647,2,0),
-(8650,8649,8647,3,0),
-(11197,8650,8647,4,0),
-(11198,11197,8647,5,0),
-(26866,11198,8647,6,0),
-(48669,26866,8647,7,0),
-/*------------------
 -- (267) Protection (Paladin)
 ------------------*/
 /*Avenger'sShield*/
@@ -15419,17 +15393,6 @@ INSERT INTO spell_chain VALUES
 (53600,0,53600,1,0),
 (61411,53600,53600,2,0),
 /*------------------
---(270)Pet-GenericHunter
-------------------*/
-/*Cower*/
-(1742,0,1742,1,0),
-(1753,1742,1742,2,0),
-(1754,1753,1742,3,0),
-(1755,1754,1742,4,0),
-(1756,1755,1742,5,0),
-(16697,1756,1742,6,0),
-(27048,16697,1742,7,0),
-/*------------------
 --(354)Demonology
 ------------------*/
 /*Banish*/
@@ -16450,18 +16413,6 @@ INSERT INTO spell_chain VALUES
 (62902,62901,62900,3,0),
 (62903,62902,62900,4,0),
 (62904,62903,62900,5,0),
-/*Pestilence*/
-(50842,0,50842,1,0),
-(51426,50842,50842,2,0),
-(51427,51426,50842,3,0),
-(51428,51427,50842,4,0),
-(51429,51428,50842,5,0),
-/*Strangulate*/
-(47476,0,47476,1,0),
-(49913,47476,47476,2,0),
-(49914,49913,47476,3,0),
-(49915,49914,47476,4,0),
-(49916,49915,47476,5,0),
 /*------------------
 --(771)Frost
 ------------------*/
diff --git a/sql/updates/10430_01_mangos_spell_chain.sql b/sql/updates/10430_01_mangos_spell_chain.sql
new file mode 100644
index 000000000..6d0d2e921
--- /dev/null
+++ b/sql/updates/10430_01_mangos_spell_chain.sql
@@ -0,0 +1,3 @@
+ALTER TABLE db_version CHANGE COLUMN required_10427_01_mangos_spell_proc_event required_10430_01_mangos_spell_chain bit;
+
+DELETE FROM spell_chain WHERE first_spell IN (1742, 1784, 5215, 8647, 47476, 50842);
diff --git a/sql/updates/Makefile.am b/sql/updates/Makefile.am
index 1d843a91c..f143ba781 100644
--- a/sql/updates/Makefile.am
+++ b/sql/updates/Makefile.am
@@ -93,6 +93,7 @@ pkgdata_DATA = \
 	10422_01_mangos_spell_proc_event.sql \
 	10423_01_mangos_spell_chain.sql \
 	10427_01_mangos_spell_proc_event.sql \
+	10430_01_mangos_spell_chain.sql \
 	README
 
 ## Additional files to include when running 'make dist'
@@ -166,4 +167,5 @@ EXTRA_DIST = \
 	10422_01_mangos_spell_proc_event.sql \
 	10423_01_mangos_spell_chain.sql \
 	10427_01_mangos_spell_proc_event.sql \
+	10430_01_mangos_spell_chain.sql \
 	README
diff --git a/src/game/SpellMgr.cpp b/src/game/SpellMgr.cpp
index 0d0ba4a97..900445b69 100644
--- a/src/game/SpellMgr.cpp
+++ b/src/game/SpellMgr.cpp
@@ -2627,6 +2627,34 @@ void SpellMgr::LoadSpellChains()
                     continue;
                 }*/
             }
+
+        }
+
+        // removed ranks often still listed as forward in skill abilities but not listed as spell in it
+        if (node.prev)
+        {
+            bool skip = false;
+            // some forward spells still exist but excluded from real use as ranks and not listed in skill abilities now
+            SkillLineAbilityMap::const_iterator forward_ab_low = mSkillLineAbilityMap.lower_bound(spell_id);
+            SkillLineAbilityMap::const_iterator forward_ab_up  = mSkillLineAbilityMap.upper_bound(spell_id);
+            if (forward_ab_low == forward_ab_up)
+            {
+                for(SkillLineAbilityMap::const_iterator ab_itr = mSkillLineAbilityMap.lower_bound(node.prev); ab_itr != mSkillLineAbilityMap.upper_bound(node.prev); ++ab_itr)
+                {
+                    // spell listed as forward and not listed as ability
+                    // this is marker for removed ranks
+                    if (ab_itr->second->forward_spellid == spell_id)
+                    {
+                        sLog.outErrorDb("Spell %u (prev: %u, first: %u, rank: %d, req: %u) listed in `spell_chain` is removed rank by DBC data.",
+                            spell_id, node.prev, node.first, node.rank, node.req);
+                        skip = true;
+                        break;
+                    }
+                }
+            }
+
+            if (skip)
+                continue;
         }
 
         mSpellChains[spell_id] = node;
@@ -2697,7 +2725,7 @@ void SpellMgr::LoadSpellChains()
             mSpellChainsNext.insert(SpellChainMapNext::value_type(node.req,spell_id));
     }
 
-    // check single rank redundant cases (single rank talents not added by default so this can be only custom cases)
+    // check single rank redundant cases (single rank talents/spell abilities not added by default so this can be only custom cases)
     for(SpellChainMap::const_iterator i = mSpellChains.begin(); i != mSpellChains.end(); ++i)
     {
         // skip non-first ranks, and spells with additional reqs
diff --git a/src/shared/revision_nr.h b/src/shared/revision_nr.h
index c0f2e1e78..d20704b2e 100644
--- a/src/shared/revision_nr.h
+++ b/src/shared/revision_nr.h
@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "10429"
+ #define REVISION_NR "10430"
 #endif // __REVISION_NR_H__
diff --git a/src/shared/revision_sql.h b/src/shared/revision_sql.h
index ae90fd719..604762ada 100644
--- a/src/shared/revision_sql.h
+++ b/src/shared/revision_sql.h
@@ -1,6 +1,6 @@
 #ifndef __REVISION_SQL_H__
 #define __REVISION_SQL_H__
  #define REVISION_DB_CHARACTERS "required_10332_02_characters_pet_aura"
- #define REVISION_DB_MANGOS "required_10427_01_mangos_spell_proc_event"
+ #define REVISION_DB_MANGOS "required_10430_01_mangos_spell_chain"
  #define REVISION_DB_REALMD "required_10008_01_realmd_realmd_db_version"
 #endif // __REVISION_SQL_H__