diff --git a/include/d/actor/d_a_bflower.h b/include/d/actor/d_a_bflower.h
index e691f7681..d7fed8bc7 100644
--- a/include/d/actor/d_a_bflower.h
+++ b/include/d/actor/d_a_bflower.h
@@ -23,12 +23,12 @@ public:
     int init_bck_anm(s16 param);
     s32 _create();
     void set_mtx();
-    BOOL _execute();
+    bool _execute();
     BOOL actLive();
     BOOL actDead();
     void animPlay();
     void setCollision();
-    BOOL _draw();
+    bool _draw();
 
     static const char m_arcname[];
 
diff --git a/include/d/actor/d_a_deku_item.h b/include/d/actor/d_a_deku_item.h
index eb09fc726..17467ef86 100644
--- a/include/d/actor/d_a_deku_item.h
+++ b/include/d/actor/d_a_deku_item.h
@@ -18,12 +18,12 @@ public:
         Mode_GETDEMO_e,
     };
 
-    BOOL _delete();
+    bool _delete();
     BOOL CreateHeap();
     void CreateInit();
     s32 _create();
     void set_mtx();
-    BOOL _execute();
+    bool _execute();
     void mode_proc_call();
     void mode_wait();
     void mode_getdemo_init();
@@ -31,7 +31,7 @@ public:
     void mode_getdemo();
     void eventOrder();
     void checkOrder();
-    BOOL _draw();
+    bool _draw();
 
     static const char m_arcname[];
 
diff --git a/include/d/actor/d_a_lbridge.h b/include/d/actor/d_a_lbridge.h
index ea61cc28b..04dd3626e 100644
--- a/include/d/actor/d_a_lbridge.h
+++ b/include/d/actor/d_a_lbridge.h
@@ -13,14 +13,14 @@ public:
     s32 _create();
     void set_mtx();
     void setMoveBGMtx();
-    BOOL _execute();
+    bool _execute();
     void sw_check();
     void demo();
     void appear_bridge();
     void disappear_bridge();
     void set_on_se();
     void set_off_se();
-    BOOL _draw();
+    bool _draw();
 
     static const char m_arcname[];
 
diff --git a/include/d/actor/d_a_pedestal.h b/include/d/actor/d_a_pedestal.h
index 5089a5c70..c0a081264 100644
--- a/include/d/actor/d_a_pedestal.h
+++ b/include/d/actor/d_a_pedestal.h
@@ -39,7 +39,7 @@ namespace daPedestal {
 
         typedef int (daPds_c::* ActionFunc_t)(void*);
 
-        BOOL _delete();
+        bool _delete();
         BOOL CreateHeap();
         void CreateInit();
         s32 _create();
@@ -59,8 +59,8 @@ namespace daPedestal {
         void set_mtx();
         BOOL initBrkAnm(u8, bool);
         void playBrkAnm();
-        BOOL _execute();
-        BOOL _draw();
+        bool _execute();
+        bool _draw();
 
         static const char m_arcname[];
 
diff --git a/include/d/actor/d_a_windmill.h b/include/d/actor/d_a_windmill.h
index 121b200b2..cb74fb4fd 100644
--- a/include/d/actor/d_a_windmill.h
+++ b/include/d/actor/d_a_windmill.h
@@ -13,17 +13,17 @@ public:
     void getRotSpeed() const {}
     void getType() const {}
 
-    BOOL _delete();
+    bool _delete();
     BOOL CreateHeap();
     void CreateInit();
     void search_wind();
     s32 _create();
     void set_mtx();
-    BOOL _execute();
+    bool _execute();
     void hane_move();
     void set_at();
     void set_co();
-    BOOL _draw();
+    bool _draw();
     
     static const s16 m_max_rot_speed[];
     static const char* m_arcname[];
diff --git a/src/d/actor/d_a_bflower.cpp b/src/d/actor/d_a_bflower.cpp
index e1df48dfe..0a8656256 100644
--- a/src/d/actor/d_a_bflower.cpp
+++ b/src/d/actor/d_a_bflower.cpp
@@ -270,7 +270,7 @@ static daBFlower_c::ActionFunc action_tbl[] = {
 };
 
 /* 00000F4C-00001078       .text _execute__11daBFlower_cFv */
-BOOL daBFlower_c::_execute() {
+bool daBFlower_c::_execute() {
     daPy_py_c* player = daPy_getPlayerActorClass();
 
     (this->*action_tbl[mState])();
@@ -465,7 +465,7 @@ void daBFlower_c::setCollision() {
 }
 
 /* 000019AC-00001AC4       .text _draw__11daBFlower_cFv */
-BOOL daBFlower_c::_draw() {
+bool daBFlower_c::_draw() {
     g_env_light.settingTevStruct(TEV_TYPE_ACTOR, &current.pos, &tevStr);
     g_env_light.setLightTevColorType(mpModel, &tevStr);
 
@@ -505,12 +505,12 @@ static BOOL daBFlower_Delete(void* i_this) {
 
 /* 00001B14-00001B38       .text daBFlower_Draw__FPv */
 static BOOL daBFlower_Draw(void* i_this) {
-    return (u8)static_cast<daBFlower_c*>(i_this)->_draw();
+    return static_cast<daBFlower_c*>(i_this)->_draw();
 }
 
 /* 00001B38-00001B5C       .text daBFlower_Execute__FPv */
 static BOOL daBFlower_Execute(void* i_this) {
-    return (u8)static_cast<daBFlower_c*>(i_this)->_execute();
+    return static_cast<daBFlower_c*>(i_this)->_execute();
 }
 
 /* 00001B5C-00001B64       .text daBFlower_IsDelete__FPv */
diff --git a/src/d/actor/d_a_deku_item.cpp b/src/d/actor/d_a_deku_item.cpp
index fdbc5966a..929551f18 100644
--- a/src/d/actor/d_a_deku_item.cpp
+++ b/src/d/actor/d_a_deku_item.cpp
@@ -46,7 +46,7 @@ static dCcD_SrcCyl l_cyl_src = {
     }};
 
 /* 00000078-000000D0       .text _delete__12daDekuItem_cFv */
-BOOL daDekuItem_c::_delete() {
+bool daDekuItem_c::_delete() {
     if (mpEmitter != NULL) {
         mpEmitter->becomeInvalidEmitter();
         mpEmitter = NULL;
@@ -145,7 +145,7 @@ void daDekuItem_c::set_mtx() {
 }
 
 /* 000009C8-00000A74       .text _execute__12daDekuItem_cFv */
-BOOL daDekuItem_c::_execute() {
+bool daDekuItem_c::_execute() {
     eyePos = current.pos;
     fopAcM_posMoveF(this, mStts.GetCCMoveP());
     mAcch.CrrPos(*dComIfG_Bgsp());
@@ -242,7 +242,7 @@ void daDekuItem_c::checkOrder() {
 }
 
 /* 00000E54-00000ECC       .text _draw__12daDekuItem_cFv */
-BOOL daDekuItem_c::_draw() {
+bool daDekuItem_c::_draw() {
     g_env_light.settingTevStruct(TEV_TYPE_ACTOR, &current.pos, &tevStr);
     g_env_light.setLightTevColorType(mpModel, &tevStr);
 
@@ -259,17 +259,17 @@ static s32 daDekuItem_Create(void* i_this) {
 
 /* 00000EEC-00000F10       .text daDekuItem_Delete__FPv */
 static BOOL daDekuItem_Delete(void* i_this) {
-    return (u8) static_cast<daDekuItem_c*>(i_this)->_delete();
+    return static_cast<daDekuItem_c*>(i_this)->_delete();
 }
 
 /* 00000F10-00000F34       .text daDekuItem_Draw__FPv */
 static BOOL daDekuItem_Draw(void* i_this) {
-    return (u8) static_cast<daDekuItem_c*>(i_this)->_draw();
+    return static_cast<daDekuItem_c*>(i_this)->_draw();
 }
 
 /* 00000F34-00000F58       .text daDekuItem_Execute__FPv */
 static BOOL daDekuItem_Execute(void* i_this) {
-    return (u8) static_cast<daDekuItem_c*>(i_this)->_execute();
+    return static_cast<daDekuItem_c*>(i_this)->_execute();
 }
 
 /* 00000F58-00000F60       .text daDekuItem_IsDelete__FPv */
diff --git a/src/d/actor/d_a_lbridge.cpp b/src/d/actor/d_a_lbridge.cpp
index 5010f4cca..5105e5d98 100644
--- a/src/d/actor/d_a_lbridge.cpp
+++ b/src/d/actor/d_a_lbridge.cpp
@@ -127,7 +127,7 @@ void daLbridge_c::setMoveBGMtx() {
 }
 
 /* 00000888-00000914       .text _execute__11daLbridge_cFv */
-BOOL daLbridge_c::_execute() {
+bool daLbridge_c::_execute() {
     bool isSw = fopAcM_isSwitch(this, mSwitchNo);
 
     sw_check();
@@ -270,7 +270,7 @@ void daLbridge_c::set_off_se() {
 }
 
 /* 00000F10-00000FF8       .text _draw__11daLbridge_cFv */
-BOOL daLbridge_c::_draw() {
+bool daLbridge_c::_draw() {
     g_env_light.settingTevStruct(TEV_TYPE_BG0, &current.pos, &tevStr);
     g_env_light.setLightTevColorType(mpModel, &tevStr);
 
@@ -314,12 +314,12 @@ static BOOL daLbridge_Delete(void* i_this) {
 
 /* 000010D4-000010F8       .text daLbridge_Draw__FPv */
 static BOOL daLbridge_Draw(void* i_this) {
-    return (u8) static_cast<daLbridge_c*>(i_this)->_draw();
+    return static_cast<daLbridge_c*>(i_this)->_draw();
 }
 
 /* 000010F8-0000111C       .text daLbridge_Execute__FPv */
 static BOOL daLbridge_Execute(void* i_this) {
-    return (u8) static_cast<daLbridge_c*>(i_this)->_execute();
+    return static_cast<daLbridge_c*>(i_this)->_execute();
 }
 
 /* 0000111C-00001124       .text daLbridge_IsDelete__FPv */
diff --git a/src/d/actor/d_a_pedestal.cpp b/src/d/actor/d_a_pedestal.cpp
index 84db00727..6038ba580 100644
--- a/src/d/actor/d_a_pedestal.cpp
+++ b/src/d/actor/d_a_pedestal.cpp
@@ -18,7 +18,7 @@ namespace daPedestal {
 const char daPds_c::m_arcname[] = "Hdai1";
 
 /* 00000078-000000DC       .text _delete__Q210daPedestal7daPds_cFv */
-BOOL daPds_c::_delete() {
+bool daPds_c::_delete() {
     if (heap != NULL) {
         dComIfG_Bgsp()->Release(mpBgW);
     }
@@ -370,7 +370,7 @@ void daPds_c::playBrkAnm() {
 }
 
 /* 00000D98-00000E48       .text _execute__Q210daPedestal7daPds_cFv */
-BOOL daPds_c::_execute() {
+bool daPds_c::_execute() {
     playBrkAnm();
 
     if (!eventProc()) {
@@ -388,7 +388,7 @@ BOOL daPds_c::_execute() {
 }
 
 /* 00000E48-00000F10       .text _draw__Q210daPedestal7daPds_cFv */
-BOOL daPds_c::_draw() {
+bool daPds_c::_draw() {
     g_env_light.settingTevStruct(TEV_TYPE_BG0, &current.pos, &tevStr);
     g_env_light.setLightTevColorType(mpModel, &tevStr);
 
@@ -412,17 +412,17 @@ static s32 daPds_Create(void* i_this) {
 
 /* 00000F30-00000F54       .text daPds_Delete__10daPedestalFPv */
 static BOOL daPds_Delete(void* i_this) {
-    return (u8) static_cast<daPds_c*>(i_this)->_delete();
+    return static_cast<daPds_c*>(i_this)->_delete();
 }
 
 /* 00000F54-00000F78       .text daPds_Draw__10daPedestalFPv */
 static BOOL daPds_Draw(void* i_this) {
-    return (u8) static_cast<daPds_c*>(i_this)->_draw();
+    return static_cast<daPds_c*>(i_this)->_draw();
 }
 
 /* 00000F78-00000F9C       .text daPds_Execute__10daPedestalFPv */
 static BOOL daPds_Execute(void* i_this) {
-    return (u8) static_cast<daPds_c*>(i_this)->_execute();
+    return static_cast<daPds_c*>(i_this)->_execute();
 }
 
 /* 00000F9C-00000FA4       .text daPds_IsDelete__10daPedestalFPv */
diff --git a/src/d/actor/d_a_windmill.cpp b/src/d/actor/d_a_windmill.cpp
index 441178459..0e1cb4048 100644
--- a/src/d/actor/d_a_windmill.cpp
+++ b/src/d/actor/d_a_windmill.cpp
@@ -11,7 +11,7 @@
 const char* daWindMill_c::m_arcname[] = { "Hpu1", "Hpu2" };
 
 /* 00000078-000000E8       .text _delete__12daWindMill_cFv */
-BOOL daWindMill_c::_delete() {
+bool daWindMill_c::_delete() {
     if (heap != NULL && mpBgW != NULL)
         dComIfG_Bgsp()->Release(mpBgW);
     dComIfG_resDelete(&mPhs, m_arcname[mType]);
@@ -58,7 +58,7 @@ void daWindMill_c::set_mtx() {
 }
 
 /* 00000E4C-00000ECC       .text _execute__12daWindMill_cFv */
-BOOL daWindMill_c::_execute() {
+bool daWindMill_c::_execute() {
     /* Nonmatching */
 }
 
@@ -78,7 +78,7 @@ void daWindMill_c::set_co() {
 }
 
 /* 000016DC-000017A4       .text _draw__12daWindMill_cFv */
-BOOL daWindMill_c::_draw() {
+bool daWindMill_c::_draw() {
     /* Nonmatching */
 }