diff --git a/apps/openmw-mp/Script/Functions/Books.hpp b/apps/openmw-mp/Script/Functions/Books.hpp
index 9fb2672ff..3c1b7e89d 100644
--- a/apps/openmw-mp/Script/Functions/Books.hpp
+++ b/apps/openmw-mp/Script/Functions/Books.hpp
@@ -38,7 +38,7 @@ public:
     * \brief Add a new book to the book changes for a player.
     *
     * \param pid The player ID whose book changes should be used.
-    * \param topicId The bookId of the book.
+    * \param bookId The bookId of the book.
     * \return void
     */
     static void AddBook(unsigned short pid, const char* bookId) noexcept;
diff --git a/apps/openmw-mp/Script/Functions/Spells.cpp b/apps/openmw-mp/Script/Functions/Spells.cpp
index 248a44195..2375fe591 100644
--- a/apps/openmw-mp/Script/Functions/Spells.cpp
+++ b/apps/openmw-mp/Script/Functions/Spells.cpp
@@ -12,7 +12,6 @@ void SpellFunctions::InitializeSpellbookChanges(unsigned short pid) noexcept
     GET_PLAYER(pid, player, );
 
     player->spellbookChanges.spells.clear();
-    player->spellbookChanges.action = SpellbookChanges::SET;
 }
 
 unsigned int SpellFunctions::GetSpellbookChangesSize(unsigned short pid) noexcept
@@ -23,7 +22,7 @@ unsigned int SpellFunctions::GetSpellbookChangesSize(unsigned short pid) noexcep
     return player->spellbookChanges.count;
 }
 
-unsigned int SpellFunctions::GetSpellbookAction(unsigned short pid) noexcept
+unsigned int SpellFunctions::GetSpellbookChangesAction(unsigned short pid) noexcept
 {
     Player *player;
     GET_PLAYER(pid, player, 0);
@@ -31,6 +30,14 @@ unsigned int SpellFunctions::GetSpellbookAction(unsigned short pid) noexcept
     return player->spellbookChanges.action;
 }
 
+void SpellFunctions::SetSpellbookChangesAction(unsigned short pid, unsigned char action) noexcept
+{
+    Player *player;
+    GET_PLAYER(pid, player, );
+
+    player->spellbookChanges.action = action;
+}
+
 void SpellFunctions::AddSpell(unsigned short pid, const char* spellId) noexcept
 {
     Player *player;
@@ -40,19 +47,6 @@ void SpellFunctions::AddSpell(unsigned short pid, const char* spellId) noexcept
     spell.mId = spellId;
 
     player->spellbookChanges.spells.push_back(spell);
-    player->spellbookChanges.action = SpellbookChanges::ADD;
-}
-
-void SpellFunctions::RemoveSpell(unsigned short pid, const char* spellId) noexcept
-{
-    Player *player;
-    GET_PLAYER(pid, player, );
-
-    ESM::Spell spell;
-    spell.mId = spellId;
-
-    player->spellbookChanges.spells.push_back(spell);
-    player->spellbookChanges.action = SpellbookChanges::REMOVE;
 }
 
 const char *SpellFunctions::GetSpellId(unsigned short pid, unsigned int i) noexcept
diff --git a/apps/openmw-mp/Script/Functions/Spells.hpp b/apps/openmw-mp/Script/Functions/Spells.hpp
index 1ce9c5a5a..bf3e1d307 100644
--- a/apps/openmw-mp/Script/Functions/Spells.hpp
+++ b/apps/openmw-mp/Script/Functions/Spells.hpp
@@ -5,10 +5,10 @@
     {"InitializeSpellbookChanges", SpellFunctions::InitializeSpellbookChanges},\
     \
     {"GetSpellbookChangesSize",    SpellFunctions::GetSpellbookChangesSize},\
-    {"GetSpellbookAction",         SpellFunctions::GetSpellbookAction},\
+    {"GetSpellbookChangesAction",  SpellFunctions::GetSpellbookChangesAction},\
     \
+    {"SetSpellbookChangesAction",  SpellFunctions::SetSpellbookChangesAction},\
     {"AddSpell",                   SpellFunctions::AddSpell},\
-    {"RemoveSpell",                SpellFunctions::RemoveSpell},\
     \
     {"GetSpellId",                 SpellFunctions::GetSpellId},\
     \
@@ -42,13 +42,19 @@ public:
     * \param pid The player ID whose faction changes should be used.
     * \return The action type (0 for SET, 1 for ADD, 2 for REMOVE).
     */
-    static unsigned int GetSpellbookAction(unsigned short pid) noexcept;
+    static unsigned int GetSpellbookChangesAction(unsigned short pid) noexcept;
 
     /**
-    * \brief Prepare the addition of a spell to a player.
+    * \brief Set the action type in a player's spellbook changes.
     *
-    * In practice, this changes the action type of the PlayerSpellbook packet to
-    * ADD and adds this spell to it.
+    * \param pid The player ID whose spellbook changes should be used.
+    * \param action The action (0 for SET, 1 for ADD, 2 for REMOVE).
+    * \return void
+    */
+    static void SetSpellbookChangesAction(unsigned short pid, unsigned char action) noexcept;
+
+    /**
+    * \brief Add a new spell to the spellbook changes for a player.
     *
     * \param pid The player ID whose spellbook changes should be used.
     * \param topicId The spellId of the spell.
@@ -56,18 +62,6 @@ public:
     */
     static void AddSpell(unsigned short pid, const char* spellId) noexcept;
 
-    /**
-    * \brief Prepare the removal of a spell from a player.
-    *
-    * In practice, this changes the action type of the PlayerSpellbook packet to
-    * REMOVE and adds this spell to it.
-    *
-    * \param pid The player ID whose spellbook changes should be used.
-    * \param topicId The spellId of the spell.
-    * \return void
-    */
-    static void RemoveSpell(unsigned short pid, const char* spellId) noexcept;
-
     /**
     * \brief Get the spellId at a certain index in a player's latest spellbook changes.
     *