diff --git a/LEGO1/lego/legoomni/include/act3.h b/LEGO1/lego/legoomni/include/act3.h
index b693663f..9153ae05 100644
--- a/LEGO1/lego/legoomni/include/act3.h
+++ b/LEGO1/lego/legoomni/include/act3.h
@@ -41,6 +41,11 @@ public:
 	// SYNTHETIC: LEGO1 0x10072630
 	// Act3::`scalar deleting destructor'
 
+	MxBool FUN_100727e0(MxU32, Mx3DPointFloat& p_loc, Mx3DPointFloat& p_dir, Mx3DPointFloat& p_up);
+	MxBool FUN_10072980(MxU32, Mx3DPointFloat& p_loc, Mx3DPointFloat& p_dir, Mx3DPointFloat& p_up);
+	void FUN_10073400();
+	void FUN_10073430();
+
 protected:
 	undefined m_unk0xf8[0x4114]; // 0xf8
 	MxEntity* m_unk0x420c;       // 0x420c
diff --git a/LEGO1/lego/legoomni/include/legoworld.h b/LEGO1/lego/legoomni/include/legoworld.h
index 2e0fcee6..a57bf110 100644
--- a/LEGO1/lego/legoomni/include/legoworld.h
+++ b/LEGO1/lego/legoomni/include/legoworld.h
@@ -62,10 +62,6 @@ public:
 	undefined FUN_100220e0();
 	void Remove(MxCore* p_object);
 	void FUN_1001fc80(IslePathActor* p_actor);
-	MxBool FUN_100727e0(MxU32, Mx3DPointFloat& p_loc, Mx3DPointFloat& p_dir, Mx3DPointFloat& p_up);
-	MxBool FUN_10072980(MxU32, Mx3DPointFloat& p_loc, Mx3DPointFloat& p_dir, Mx3DPointFloat& p_up);
-	void FUN_10073400();
-	void FUN_10073430();
 	MxS32 GetCurrPathInfo(LegoPathBoundary** p_path, MxS32& p_value);
 	MxCore* Find(const char* p_class, const char* p_name);
 	MxCore* Find(const MxAtomId& p_atom, MxS32 p_entityId);
diff --git a/LEGO1/lego/legoomni/src/act3/act3.cpp b/LEGO1/lego/legoomni/src/act3/act3.cpp
index e17db3dc..f23202f2 100644
--- a/LEGO1/lego/legoomni/src/act3/act3.cpp
+++ b/LEGO1/lego/legoomni/src/act3/act3.cpp
@@ -21,6 +21,18 @@ Act3::~Act3()
 	// TODO
 }
 
+// STUB: LEGO1 0x100727e0
+MxBool Act3::FUN_100727e0(MxU32, Mx3DPointFloat& p_loc, Mx3DPointFloat& p_dir, Mx3DPointFloat& p_up)
+{
+	return FALSE;
+}
+
+// STUB: LEGO1 0x10072980
+MxBool Act3::FUN_10072980(MxU32, Mx3DPointFloat& p_loc, Mx3DPointFloat& p_dir, Mx3DPointFloat& p_up)
+{
+	return FALSE;
+}
+
 // STUB: LEGO1 0x10072c30
 MxResult Act3::Create(MxDSAction& p_dsAction)
 {
@@ -54,6 +66,16 @@ MxResult Act3::Tickle()
 	return SUCCESS;
 }
 
+// STUB: LEGO1 0x10073400
+void Act3::FUN_10073400()
+{
+}
+
+// STUB: LEGO1 0x10073430
+void Act3::FUN_10073430()
+{
+}
+
 // STUB: LEGO1 0x10073a90
 void Act3::VTable0x68(MxBool p_add)
 {
diff --git a/LEGO1/lego/legoomni/src/build/helicopter.cpp b/LEGO1/lego/legoomni/src/build/helicopter.cpp
index 3bf55354..2a1d1e06 100644
--- a/LEGO1/lego/legoomni/src/build/helicopter.cpp
+++ b/LEGO1/lego/legoomni/src/build/helicopter.cpp
@@ -197,9 +197,9 @@ MxU32 Helicopter::VTable0xd4(MxType17NotificationParam& p_param)
 				va4.EqualsCross(v68, dir);
 				v7c.EqualsCross(va4, v90);
 				if (ret)
-					if (m_world->FUN_100727e0(m_unk0x138, loc, dir, v7c))
+					if (((Act3*) m_world)->FUN_100727e0(m_unk0x138, loc, dir, v7c))
 						break;
-					else if (m_world->FUN_10072980(m_unk0x138, loc, dir, v7c))
+					else if (((Act3*) m_world)->FUN_10072980(m_unk0x138, loc, dir, v7c))
 						break;
 			}
 			ret = 1;
@@ -329,9 +329,9 @@ void Helicopter::VTable0x70(float p_float)
 		}
 		else {
 			if (state == 4)
-				m_world->FUN_10073400();
+				((Act3*) m_world)->FUN_10073400();
 			else
-				m_world->FUN_10073430();
+				((Act3*) m_world)->FUN_10073430();
 			m_unk0xdc = 4;
 		}
 	}
diff --git a/LEGO1/lego/legoomni/src/entity/legoworld.cpp b/LEGO1/lego/legoomni/src/entity/legoworld.cpp
index e2a912ef..002b6f5d 100644
--- a/LEGO1/lego/legoomni/src/entity/legoworld.cpp
+++ b/LEGO1/lego/legoomni/src/entity/legoworld.cpp
@@ -522,25 +522,3 @@ void LegoWorld::VTable0x50()
 {
 	TickleManager()->UnregisterClient(this);
 }
-
-// STUB: LEGO1 0x100727e0
-MxBool LegoWorld::FUN_100727e0(MxU32, Mx3DPointFloat& p_loc, Mx3DPointFloat& p_dir, Mx3DPointFloat& p_up)
-{
-	return FALSE;
-}
-
-// STUB: LEGO1 0x10072980
-MxBool LegoWorld::FUN_10072980(MxU32, Mx3DPointFloat& p_loc, Mx3DPointFloat& p_dir, Mx3DPointFloat& p_up)
-{
-	return FALSE;
-}
-
-// STUB: LEGO1 0x10073400
-void LegoWorld::FUN_10073400()
-{
-}
-
-// STUB: LEGO1 0x10073430
-void LegoWorld::FUN_10073430()
-{
-}