diff --git a/src/server/game/Skills/SkillDiscovery.cpp b/src/server/game/Skills/SkillDiscovery.cpp
index 89b5da238..0517c287b 100644
--- a/src/server/game/Skills/SkillDiscovery.cpp
+++ b/src/server/game/Skills/SkillDiscovery.cpp
@@ -184,12 +184,7 @@ uint32 GetExplicitDiscoverySpell(uint32 spellId, Player* player)
             continue;
 
         if (item_iter->chance > roll)
-        {
-            // Update skill, not Book of Glyph Mastery
-            if (spellId != 64323)
-                player->UpdateGatherSkill(SKILL_INSCRIPTION, player->GetPureSkillValue(SKILL_INSCRIPTION), item_iter->reqSkillValue);
             return item_iter->spellId;
-        }
 
         roll -= item_iter->chance;
     }