4 files changed, 4 insertions, 10 deletions
diff --git a/src/d/a/d_a_player.cpp b/src/d/a/d_a_player.cpp
index 60a9cd7d04..89e1d8999d 100644
--- a/src/d/a/d_a_player.cpp
+++ b/src/d/a/d_a_player.cpp
@@ -651,7 +651,7 @@ f32 daPy_py_c::getAttentionOffsetY() {
 
 /* 8015F424-8015F438 159D64 0014+00 0/0 17/17 33/33 .text            checkNowWolfEyeUp__9daPy_py_cFv
  */
-s16 daPy_py_c::checkNowWolfEyeUp() {
+int daPy_py_c::checkNowWolfEyeUp() {
     return daAlink_getAlinkActorClass()->checkWolfEyeUp();
 }
 
diff --git a/src/d/d_lib.cpp b/src/d/d_lib.cpp
index 1f95b31806..6c204e5e5d 100644
--- a/src/d/d_lib.cpp
+++ b/src/d/d_lib.cpp
@@ -336,7 +336,7 @@ asm void dLib_getEventSwitchNo(int param_0) {
 #pragma push
 #pragma optimization_level 0
 #pragma optimizewithasm off
-asm void dLib_checkActorInRectangle(fopAc_ac_c* param_0, fopAc_ac_c* param_1, cXyz const* param_2,
+asm BOOL dLib_checkActorInRectangle(fopAc_ac_c* param_0, fopAc_ac_c* param_1, cXyz const* param_2,
                                     cXyz const* param_3) {
     nofralloc
 #include "asm/d/d_lib/dLib_checkActorInRectangle__FP10fopAc_ac_cP10fopAc_ac_cPC4cXyzPC4cXyz.s"
diff --git a/src/d/d_vibration.cpp b/src/d/d_vibration.cpp
index cea976e007..8458937530 100644
--- a/src/d/d_vibration.cpp
+++ b/src/d/d_vibration.cpp
@@ -205,12 +205,8 @@ void dVibration_c::Kill() {
 }   
 
 /* 8006FE5C-8006FE84 06A79C 0028+00 0/0 0/0 10/10 .text            CheckQuake__12dVibration_cFv */
-int dVibration_c::CheckQuake() {
-    int ret = 0;
-    if (field_0x0.mQuake.field_0x4 != -1 || field_0x70 != -1) {
-        ret  = 1;
-    }
-    return ret;
+bool dVibration_c::CheckQuake() {
+    return field_0x0.mQuake.field_0x4 != -1 || field_0x70 != -1;
 }
 
 /* 8006FE84-8006FF04 06A7C4 0080+00 2/2 0/0 0/0 .text            setDefault__12dVibration_cFv */
diff --git a/src/d/menu/d_menu_dmap.cpp b/src/d/menu/d_menu_dmap.cpp
index 361e6c7699..bd0fb53db6 100644
--- a/src/d/menu/d_menu_dmap.cpp
+++ b/src/d/menu/d_menu_dmap.cpp
@@ -24,8 +24,6 @@ struct mDoCPd_c {
     static u8 m_cpadInfo[256];
 };
 
-struct fopAc_ac_c {};
-
 struct dTres_c {
     /* 8009C27C */ void getBossIconFloorNo(int*);
 };