diff --git a/src/overlays/actors/ovl_Boss_Mo/z_boss_mo.c b/src/overlays/actors/ovl_Boss_Mo/z_boss_mo.c
index 4734c8c2ee..e5f79ee068 100644
--- a/src/overlays/actors/ovl_Boss_Mo/z_boss_mo.c
+++ b/src/overlays/actors/ovl_Boss_Mo/z_boss_mo.c
@@ -57,7 +57,7 @@ void BossMo_DrawEffects(BossMoEffect* effect, PlayState* play);
 void BossMo_SetupTentacle(BossMo* this, PlayState* play);
 void BossMo_Tentacle(BossMo* this, PlayState* play);
 
-void BossMo_Unknown(void);
+void BossMo_SfxTest(void);
 
 typedef enum BossMoEffectType {
     /* 0 */ MO_FX_NONE,
@@ -188,7 +188,7 @@ s32 BossMo_NearLand(Vec3f* pos, f32 margin) {
 
 void BossMo_SpawnRipple(BossMoEffect* effect, Vec3f* pos, f32 scale, f32 maxScale, s16 maxAlpha, s16 countLimit,
                         u8 type) {
-    static Vec3f zeroVec = { 0.0f, 0.0f, 0.0f };
+    static Vec3f sZeroVec = { 0.0f, 0.0f, 0.0f };
     s16 i;
 
     for (i = 0; i < countLimit; i++, effect++) {
@@ -196,8 +196,8 @@ void BossMo_SpawnRipple(BossMoEffect* effect, Vec3f* pos, f32 scale, f32 maxScal
             effect->stopTimer = 0;
             effect->type = type;
             effect->pos = *pos;
-            effect->vel = zeroVec;
-            effect->accel = zeroVec;
+            effect->vel = sZeroVec;
+            effect->accel = sZeroVec;
             effect->scale = scale * 0.0025f;
             effect->fwork[MO_FX_MAX_SIZE] = maxScale * 0.0025f;
             if (scale > 300.0f) {
@@ -2258,7 +2258,10 @@ void BossMo_UpdateCore(Actor* thisx, PlayState* play) {
     if (player->actor.parent != NULL) {
         this->actor.flags &= ~ACTOR_FLAG_0;
     }
-    BossMo_Unknown();
+
+#if PLATFORM_GC
+    BossMo_SfxTest();
+#endif
 }
 
 void BossMo_UpdateTent(Actor* thisx, PlayState* play) {
@@ -2440,7 +2443,7 @@ static Gfx* sTentDLists[41] = {
 };
 
 void BossMo_DrawTentacle(BossMo* this, PlayState* play) {
-    static Vec3f zeroVec = { 0.0f, 0.0f, 0.0f };
+    static Vec3f sZeroVec = { 0.0f, 0.0f, 0.0f };
     s16 i;
     s16 notCut;
     s16 index;
@@ -2540,9 +2543,9 @@ void BossMo_DrawTentacle(BossMo* this, PlayState* play) {
             Matrix_Pop();
         }
 
-        Matrix_MultVec3f(&zeroVec, &this->tentPos[i]);
+        Matrix_MultVec3f(&sZeroVec, &this->tentPos[i]);
         if (i == 36) {
-            Matrix_MultVec3f(&zeroVec, &this->actor.focus.pos);
+            Matrix_MultVec3f(&sZeroVec, &this->actor.focus.pos);
         }
         if (i == 24) {
             MtxF sp98;
@@ -3046,9 +3049,10 @@ void BossMo_DrawEffects(BossMoEffect* effect, PlayState* play) {
     CLOSE_DISPS(gfxCtx, "../z_boss_mo.c", 7482);
 }
 
-void BossMo_Unknown(void) {
+#if PLATFORM_GC
+void BossMo_SfxTest(void) {
     // Appears to be a test function for sound effects.
-    static Vec3f zeroVec = { 0.0f, 0.0f, 0.0f };
+    static Vec3f sZeroVec = { 0.0f, 0.0f, 0.0f };
     static u16 unkSfx[] = {
         // Walking
         NA_SE_PL_WALK_GROUND + SURFACE_SFX_OFFSET_DIRT,
@@ -3592,10 +3596,11 @@ void BossMo_Unknown(void) {
     if (BREG(32) != 0) {
         BREG(32)--;
         SEQCMD_STOP_SEQUENCE(SEQ_PLAYER_BGM_MAIN, 1);
-        Sfx_PlaySfxAtPos(&zeroVec, unkSfx[BREG(33)]);
+        Sfx_PlaySfxAtPos(&sZeroVec, unkSfx[BREG(33)]);
     }
     if (BREG(34) != 0) {
         BREG(34) = 0;
         SEQCMD_PLAY_SEQUENCE(SEQ_PLAYER_BGM_MAIN, 0, 0, BREG(35));
     }
 }
+#endif
diff --git a/src/overlays/actors/ovl_En_Go2/z_en_go2.c b/src/overlays/actors/ovl_En_Go2/z_en_go2.c
index 102eaa6ef0..ebbb8e2b78 100644
--- a/src/overlays/actors/ovl_En_Go2/z_en_go2.c
+++ b/src/overlays/actors/ovl_En_Go2/z_en_go2.c
@@ -1577,7 +1577,9 @@ void EnGo2_Init(Actor* thisx, PlayState* play) {
                     this->actionFunc = EnGo2_CurledUp;
                 }
             } else {
+#if PLATFORM_GC
                 CLEAR_INFTABLE(INFTABLE_10C);
+#endif
                 this->collider.dim.height = (D_80A4816C[PARAMS_GET_S(this->actor.params, 0, 5)].height * 0.6f);
                 EnGo2_SetupRolling(this, play);
                 this->isAwake = true;
diff --git a/src/overlays/actors/ovl_En_Ossan/z_en_ossan.c b/src/overlays/actors/ovl_En_Ossan/z_en_ossan.c
index 9edfbe6a32..147f14cf83 100644
--- a/src/overlays/actors/ovl_En_Ossan/z_en_ossan.c
+++ b/src/overlays/actors/ovl_En_Ossan/z_en_ossan.c
@@ -16,6 +16,18 @@
 
 #define FLAGS (ACTOR_FLAG_0 | ACTOR_FLAG_3 | ACTOR_FLAG_4)
 
+#if PLATFORM_N64
+#define CURSOR_COLOR_R 0
+#define CURSOR_COLOR_G 80
+#define CURSOR_COLOR_B 255
+#define CURSOR_COLOR_A 255
+#else
+#define CURSOR_COLOR_R 0
+#define CURSOR_COLOR_G 255
+#define CURSOR_COLOR_B 80
+#define CURSOR_COLOR_A 255
+#endif
+
 void EnOssan_Init(Actor* thisx, PlayState* play);
 void EnOssan_Destroy(Actor* thisx, PlayState* play);
 void EnOssan_Update(Actor* thisx, PlayState* play);
@@ -1882,10 +1894,10 @@ void EnOssan_UpdateCursorAnim(EnOssan* this) {
             this->cursorAnimState = 0;
         }
     }
-    this->cursorColorR = ColChanMix(0, 0.0f, t);
-    this->cursorColorG = ColChanMix(255, 80.0f, t);
-    this->cursorColorB = ColChanMix(80, 0.0f, t);
-    this->cursorColorA = ColChanMix(255, 0.0f, t);
+    this->cursorColorR = ColChanMix(CURSOR_COLOR_R, 0.0f, t);
+    this->cursorColorG = ColChanMix(CURSOR_COLOR_G, 80.0f, t);
+    this->cursorColorB = ColChanMix(CURSOR_COLOR_B, 0.0f, t);
+    this->cursorColorA = ColChanMix(CURSOR_COLOR_A, 0.0f, t);
     this->cursorAnimTween = t;
 }
 
@@ -2142,10 +2154,10 @@ void EnOssan_InitActionFunc(EnOssan* this, PlayState* play) {
 
         this->cursorIndex = 0;
         this->cursorZ = 1.5f;
-        this->cursorColorR = 0;
-        this->cursorColorG = 255;
-        this->cursorColorB = 80;
-        this->cursorColorA = 255;
+        this->cursorColorR = CURSOR_COLOR_R;
+        this->cursorColorG = CURSOR_COLOR_G;
+        this->cursorColorB = CURSOR_COLOR_B;
+        this->cursorColorA = CURSOR_COLOR_A;
         this->cursorAnimTween = 0;
 
         this->cursorAnimState = 0;