diff --git a/apps/openmw-mp/Networking.cpp b/apps/openmw-mp/Networking.cpp
index f63aea38b..e91a87ba6 100644
--- a/apps/openmw-mp/Networking.cpp
+++ b/apps/openmw-mp/Networking.cpp
@@ -237,22 +237,7 @@ void Networking::processPlayerPacket(RakNet::Packet *packet)
         DEBUG_PRINTF("ID_GAME_SPELLBOOK\n");
         myPacket->Read(player);
 
-        string str;
-        for (auto spell : player->packetSpells.spells)
-        {
-            str += spell.mId;
-            if (spell.mId != player->packetSpells.spells.back().mId)
-                str += ";";
-            if (player->packetSpells.action == PacketSpells::ADD)
-                player->spellbook.push_back(spell);
-            else if (player->packetSpells.action == PacketSpells::REMOVE)
-            {
-                player->spellbook.erase(remove_if(player->spellbook.begin(), player->spellbook.end(), [&spell](ESM::Spell s)->bool
-                {return spell.mId == s.mId; }), player->spellbook.end());
-            }
-        }
-
-        Script::Call<Script::CallbackIdentity("OnPlayerChangeSpellbook")>(player->getId(), player->packetSpells.action, str.c_str());
+        Script::Call<Script::CallbackIdentity("OnPlayerChangeSpellbook")>(player->getId(), player->packetSpells.action);
 
         break;
     }
diff --git a/apps/openmw-mp/Player.hpp b/apps/openmw-mp/Player.hpp
index cc8087fbf..bbef2dcac 100644
--- a/apps/openmw-mp/Player.hpp
+++ b/apps/openmw-mp/Player.hpp
@@ -70,7 +70,6 @@ public:
 public:
     mwmp::PacketItems packetItemsBuffer;
     mwmp::PacketSpells packetSpellsBuffer;
-    std::vector<ESM::Spell> spellbook;
 
 private:
     bool handshakeState;
diff --git a/apps/openmw-mp/Script/Functions/Items.cpp b/apps/openmw-mp/Script/Functions/Items.cpp
index ec69bef36..046e5a1b8 100644
--- a/apps/openmw-mp/Script/Functions/Items.cpp
+++ b/apps/openmw-mp/Script/Functions/Items.cpp
@@ -153,6 +153,7 @@ void ItemFunctions::SendItems(unsigned short pid) noexcept
 {
     Player *player;
     GET_PLAYER(pid, player, );
+
     std::swap(player->packetItems, player->packetItemsBuffer);
     mwmp::Networking::get().getPlayerController()->GetPacket(ID_GAME_INVENTORY)->Send(player, false);
     player->packetItems = std::move(player->packetItemsBuffer);
diff --git a/apps/openmw-mp/Script/Functions/Spells.cpp b/apps/openmw-mp/Script/Functions/Spells.cpp
index df68c66a4..caae16767 100644
--- a/apps/openmw-mp/Script/Functions/Spells.cpp
+++ b/apps/openmw-mp/Script/Functions/Spells.cpp
@@ -11,7 +11,7 @@ unsigned int SpellFunctions::GetSpellbookSize(unsigned short pid) noexcept
     Player *player;
     GET_PLAYER(pid, player, 0);
 
-    return player->spellbook.size();
+    return player->packetSpells.count;
 }
 
 void SpellFunctions::AddSpell(unsigned short pid, const char* spellId) noexcept
@@ -47,26 +47,15 @@ void SpellFunctions::ClearSpellbook(unsigned short pid) noexcept
     player->packetSpellsBuffer.action = PacketSpells::UPDATE;
 }
 
-bool SpellFunctions::HasSpell(unsigned short pid, const char* spellId)
-{
-    Player *player;
-    GET_PLAYER(pid, player, false);
-
-    for (unsigned int i = 0; i < player->spellbook.size(); i++)
-        if (Misc::StringUtils::ciEqual(player->spellbook.at(i).mId, spellId))
-            return true;
-    return false;
-}
-
 const char *SpellFunctions::GetSpellId(unsigned short pid, unsigned int i) noexcept
 {
     Player *player;
     GET_PLAYER(pid, player, "");
 
-    if (i >= player->spellbook.size())
+    if (i >= player->packetSpells.count)
         return "invalid";
 
-    return player->spellbook.at(i).mId.c_str();
+    return player->packetSpells.spells.at(i).mId.c_str();
 }
 
 void SpellFunctions::SendSpells(unsigned short pid) noexcept
@@ -74,15 +63,6 @@ void SpellFunctions::SendSpells(unsigned short pid) noexcept
     Player *player;
     GET_PLAYER(pid, player, );
 
-    for (auto spell : player->packetSpellsBuffer.spells)
-    {
-        if (player->packetSpellsBuffer.action == PacketSpells::ADD)
-            player->spellbook.push_back(spell);
-        else if (player->packetSpells.action == PacketSpells::REMOVE)
-            player->spellbook.erase(remove_if(player->spellbook.begin(), player->spellbook.end(), [&spell](ESM::Spell s)->bool
-            {return spell.mId == s.mId; }), player->spellbook.end());
-    }
-
     std::swap(player->packetSpells, player->packetSpellsBuffer);
     mwmp::Networking::get().getPlayerController()->GetPacket(ID_GAME_SPELLBOOK)->Send(player, false);
     player->packetSpells = std::move(player->packetSpellsBuffer);
diff --git a/apps/openmw-mp/Script/Functions/Spells.hpp b/apps/openmw-mp/Script/Functions/Spells.hpp
index 022074d1f..841bd31dd 100644
--- a/apps/openmw-mp/Script/Functions/Spells.hpp
+++ b/apps/openmw-mp/Script/Functions/Spells.hpp
@@ -8,7 +8,6 @@
     {"RemoveSpell",      SpellFunctions::RemoveSpell},\
     {"ClearSpellbook",   SpellFunctions::ClearSpellbook},\
     \
-    {"HasSpell",         SpellFunctions::HasSpell},\
     {"GetSpellId",       SpellFunctions::GetSpellId},\
     \
     {"SendSpells",       SpellFunctions::SendSpells}
@@ -23,7 +22,6 @@ public:
     static void RemoveSpell(unsigned short pid, const char* spellId) noexcept;
     static void ClearSpellbook(unsigned short pid) noexcept;
 
-    static bool HasSpell(unsigned short pid, const char* itemName);
     static const char *GetSpellId(unsigned short pid, unsigned int i) noexcept;
 
     static void SendSpells(unsigned short pid) noexcept;
diff --git a/apps/openmw-mp/Script/ScriptFunctions.hpp b/apps/openmw-mp/Script/ScriptFunctions.hpp
index f1cc5f407..3021d18b7 100644
--- a/apps/openmw-mp/Script/ScriptFunctions.hpp
+++ b/apps/openmw-mp/Script/ScriptFunctions.hpp
@@ -110,7 +110,7 @@ public:
             {"OnPlayerChangeLevel",      Function<void, unsigned short>()},
             {"OnPlayerChangeEquipment",  Function<void, unsigned short>()},
             {"OnPlayerChangeInventory",  Function<void, unsigned short>()},
-            {"OnPlayerChangeSpellbook",  Function<void, unsigned short, int, const char*>()},
+            {"OnPlayerChangeSpellbook",  Function<void, unsigned short, int>()},
             {"OnPlayerSendMessage",      Function<bool, unsigned short, const char*>()},
             {"OnPlayerEndCharGen",       Function<void, unsigned short>()},
             {"OnGUIAction",              Function<void, unsigned short, int, const char*>()}