diff --git a/src/code/sys_math3d.c b/src/code/sys_math3d.c
index 0e31d1e4c5..3e50249b12 100644
--- a/src/code/sys_math3d.c
+++ b/src/code/sys_math3d.c
@@ -922,8 +922,7 @@ f32 Math3D_Plane(Plane* plane, Vec3f* pointOnPlane) {
  * `nx`, `ny`, `nz`, and `originDist`
  */
 f32 Math3D_UDistPlaneToPos(f32 nx, f32 ny, f32 nz, f32 originDist, Vec3f* p) {
-
-    if (IS_ZERO(sqrtf(SQ(nx) + SQ(ny) + SQ(nz)))) {
+    if (OOT_DEBUG && IS_ZERO(sqrtf(SQ(nx) + SQ(ny) + SQ(nz)))) {
         PRINTF(VT_COL(YELLOW, BLACK));
         // "Math3DLengthPlaneAndPos(): Normal size is near zero %f %f %f"
         PRINTF("Math3DLengthPlaneAndPos():法線size がゼロ近いです%f %f %f\n", nx, ny, nz);
@@ -1823,7 +1822,6 @@ s32 Math3D_CylTriVsIntersect(Cylinder16* cyl, TriNorm* tri, Vec3f* intersect) {
     Vec3f cylIntersectCenter;
     Vec3f midpointv0v1;
     Vec3f diffMidpointIntersect;
-    f32 distFromCylYIntersectTov0v1;
     s32 pad;
 
     cylBottom = (f32)cyl->pos.y + cyl->yShift;
@@ -1865,6 +1863,7 @@ s32 Math3D_CylTriVsIntersect(Cylinder16* cyl, TriNorm* tri, Vec3f* intersect) {
     if (Math3D_TriChkLineSegParaYIntersect(&tri->vtx[0], &tri->vtx[1], &tri->vtx[2], tri->plane.normal.x,
                                            tri->plane.normal.y, tri->plane.normal.z, tri->plane.originDist, cyl->pos.z,
                                            cyl->pos.x, &yIntersect, cylBottom, cylTop)) {
+        f32 distFromCylYIntersectTov0v1;
 
         cylIntersectCenter.x = cyl->pos.x;
         cylIntersectCenter.y = yIntersect;
@@ -2145,8 +2144,10 @@ s32 Math3D_YZInSphere(Sphere16* sphere, f32 y, f32 z) {
     return false;
 }
 
+#if OOT_DEBUG
 void Math3D_DrawSphere(PlayState* play, Sphere16* sph) {
 }
 
 void Math3D_DrawCylinder(PlayState* play, Cylinder16* cyl) {
 }
+#endif