diff --git a/apps/opencs/model/world/columns.cpp b/apps/opencs/model/world/columns.cpp
index 398fe29183..28e6fd050c 100644
--- a/apps/opencs/model/world/columns.cpp
+++ b/apps/opencs/model/world/columns.cpp
@@ -71,7 +71,6 @@ namespace CSMWorld
             { ColumnId_Weight, "Weight" },
             { ColumnId_EnchantmentPoints, "Enchantment Points" },
             { ColumnId_Quality, "Quality" },
-            { ColumnId_Ai, "AI" },
             { ColumnId_AiHello, "AI Hello" },
             { ColumnId_AiFlee, "AI Flee" },
             { ColumnId_AiFight, "AI Fight" },
diff --git a/apps/opencs/model/world/columns.hpp b/apps/opencs/model/world/columns.hpp
index a8b8cf2d6c..ea50822b96 100644
--- a/apps/opencs/model/world/columns.hpp
+++ b/apps/opencs/model/world/columns.hpp
@@ -65,7 +65,7 @@ namespace CSMWorld
             ColumnId_Weight = 50,
             ColumnId_EnchantmentPoints = 51,
             ColumnId_Quality = 52,
-            ColumnId_Ai = 53,
+            // unused
             ColumnId_AiHello = 54,
             ColumnId_AiFlee = 55,
             ColumnId_AiFight = 56,
diff --git a/apps/opencs/model/world/refidadapterimp.cpp b/apps/opencs/model/world/refidadapterimp.cpp
index 3b0008d183..64c18a99be 100644
--- a/apps/opencs/model/world/refidadapterimp.cpp
+++ b/apps/opencs/model/world/refidadapterimp.cpp
@@ -1447,9 +1447,6 @@ QVariant ActorRefIdAdapter<ESM::NPC>::getData (const RefIdColumn *column, const
     const Record<ESM::NPC>& record = static_cast<const Record<ESM::NPC>&> (
         data.getRecord (RefIdData::LocalIndex (index, BaseRefIdAdapter<ESM::NPC>::getType())));
 
-    if (column==mActors.mHasAi)
-        return record.get().mHasAI!=0;
-
     if (column==mActors.mHello)
         return record.get().mAiData.mHello;
 
@@ -1631,9 +1628,6 @@ QVariant ActorRefIdAdapter<ESM::Creature>::getData (const RefIdColumn *column, c
     const Record<ESM::Creature>& record = static_cast<const Record<ESM::Creature>&> (
         data.getRecord (RefIdData::LocalIndex (index, BaseRefIdAdapter<ESM::Creature>::getType())));
 
-    if (column==mActors.mHasAi)
-        return record.get().mHasAI!=0;
-
     if (column==mActors.mHello)
         return record.get().mAiData.mHello;
 
diff --git a/apps/opencs/model/world/refidadapterimp.hpp b/apps/opencs/model/world/refidadapterimp.hpp
index 0ce12a62fd..aac5ec7811 100644
--- a/apps/opencs/model/world/refidadapterimp.hpp
+++ b/apps/opencs/model/world/refidadapterimp.hpp
@@ -485,7 +485,6 @@ namespace CSMWorld
 
     struct ActorColumns : public NameColumns
     {
-        const RefIdColumn *mHasAi;
         const RefIdColumn *mHello;
         const RefIdColumn *mFlee;
         const RefIdColumn *mFight;
@@ -531,9 +530,7 @@ namespace CSMWorld
             data.getRecord (RefIdData::LocalIndex (index, BaseRefIdAdapter<RecordT>::getType())));
 
         RecordT record2 = record.get();
-        if (column==mActors.mHasAi)
-            record2.mHasAI = value.toInt();
-        else if (column==mActors.mHello)
+        if (column==mActors.mHello)
             record2.mAiData.mHello = value.toInt();
         else if (column==mActors.mFlee)
             record2.mAiData.mFlee = value.toInt();
diff --git a/apps/opencs/model/world/refidcollection.cpp b/apps/opencs/model/world/refidcollection.cpp
index 1a7db882b0..588cdcd911 100644
--- a/apps/opencs/model/world/refidcollection.cpp
+++ b/apps/opencs/model/world/refidcollection.cpp
@@ -114,8 +114,6 @@ CSMWorld::RefIdCollection::RefIdCollection(const CSMWorld::Data& data)
 
     ActorColumns actorsColumns (nameColumns);
 
-    mColumns.push_back (RefIdColumn (Columns::ColumnId_Ai, ColumnBase::Display_Boolean));
-    actorsColumns.mHasAi = &mColumns.back();
     mColumns.push_back (RefIdColumn (Columns::ColumnId_AiHello, ColumnBase::Display_Integer));
     actorsColumns.mHello = &mColumns.back();
     mColumns.push_back (RefIdColumn (Columns::ColumnId_AiFlee, ColumnBase::Display_Integer));
diff --git a/components/esm/loadcrea.cpp b/components/esm/loadcrea.cpp
index 50c47349ca..8c4f49e452 100644
--- a/components/esm/loadcrea.cpp
+++ b/components/esm/loadcrea.cpp
@@ -96,7 +96,12 @@ namespace ESM {
 
         mInventory.save(esm);
         mSpells.save(esm);
-        if (mHasAI) {
+        if (mAiData.mHello != 0
+            || mAiData.mFight != 0
+            || mAiData.mFlee != 0
+            || mAiData.mAlarm != 0
+            || mAiData.mServices != 0)
+        {
             esm.writeHNT("AIDT", mAiData, sizeof(mAiData));
         }
         mTransport.save(esm);
diff --git a/components/esm/loadnpc.cpp b/components/esm/loadnpc.cpp
index 44d2987853..67a437176c 100644
--- a/components/esm/loadnpc.cpp
+++ b/components/esm/loadnpc.cpp
@@ -121,7 +121,12 @@ namespace ESM
 
         mInventory.save(esm);
         mSpells.save(esm);
-        if (mHasAI) {
+        if (mAiData.mHello != 0
+            || mAiData.mFight != 0
+            || mAiData.mFlee != 0
+            || mAiData.mAlarm != 0
+            || mAiData.mServices != 0)
+        {
             esm.writeHNT("AIDT", mAiData, sizeof(mAiData));
         }