diff --git a/src/world/Action/EffectBuilder.cpp b/src/world/Action/EffectBuilder.cpp
index 2313c4e9..41881071 100644
--- a/src/world/Action/EffectBuilder.cpp
+++ b/src/world/Action/EffectBuilder.cpp
@@ -67,7 +67,7 @@ void EffectBuilder::selfHeal( Entity::CharaPtr& target, Entity::CharaPtr& source
   resultList->push_back( std::move( nextResult ) );
 }
 
-void EffectBuilder::restoreMP( Entity::CharaPtr& target, Entity::CharaPtr& source, uint32_t amount, Common::ActionHitSeverityType severity )
+void EffectBuilder::restoreMP( Entity::CharaPtr& target, Entity::CharaPtr& source, uint32_t amount )
 {
   auto resultList = getResultList( target );
   assert( resultList );
diff --git a/src/world/Action/EffectBuilder.h b/src/world/Action/EffectBuilder.h
index 9a616e06..c0a090fd 100644
--- a/src/world/Action/EffectBuilder.h
+++ b/src/world/Action/EffectBuilder.h
@@ -18,8 +18,7 @@ namespace Sapphire::World::Action
     void selfHeal( Entity::CharaPtr& target, Entity::CharaPtr& source, uint32_t amount,
                      Common::ActionHitSeverityType severity = Common::ActionHitSeverityType::NormalHeal );
 
-    void restoreMP( Entity::CharaPtr& target, Entity::CharaPtr& source, uint32_t amount,
-                   Common::ActionHitSeverityType severity = Common::ActionHitSeverityType::NormalHeal );
+    void restoreMP( Entity::CharaPtr& target, Entity::CharaPtr& source, uint32_t amount );
 
     void damageTarget( Entity::CharaPtr& target, uint32_t amount,
                        Common::ActionHitSeverityType severity = Common::ActionHitSeverityType::NormalDamage );