diff --git a/src/engine/surface_collision.c b/src/engine/surface_collision.c
index d3671bc8..c6ccf761 100644
--- a/src/engine/surface_collision.c
+++ b/src/engine/surface_collision.c
@@ -197,12 +197,14 @@ s32 find_wall_collisions(struct WallCollisionData *colData) {
 
     colData->numWalls = 0;
 
+#if EXTENDED_BOUNDS_MODE != 3
     if (x <= -LEVEL_BOUNDARY_MAX || x >= LEVEL_BOUNDARY_MAX) {
         return numCollisions;
     }
     if (z <= -LEVEL_BOUNDARY_MAX || z >= LEVEL_BOUNDARY_MAX) {
         return numCollisions;
     }
+#endif
 
     // World (level) consists of a 16x16 grid. Find where the collision is on
     // the grid (round toward -inf)
@@ -326,12 +328,14 @@ f32 find_ceil(f32 posX, f32 posY, f32 posZ, struct Surface **pceil) {
     z = (s16) posZ;
     *pceil = NULL;
 
+#if EXTENDED_BOUNDS_MODE != 3
     if (x <= -LEVEL_BOUNDARY_MAX || x >= LEVEL_BOUNDARY_MAX) {
         return height;
     }
     if (z <= -LEVEL_BOUNDARY_MAX || z >= LEVEL_BOUNDARY_MAX) {
         return height;
     }
+#endif
 
     // Each level is split into cells to limit load, find the appropriate cell.
     cellX = ((x + LEVEL_BOUNDARY_MAX) / CELL_SIZE) & NUM_CELLS_INDEX;
@@ -602,12 +606,14 @@ f32 find_floor(f32 xPos, f32 yPos, f32 zPos, struct Surface **pfloor) {
 
     *pfloor = NULL;
 
+#if EXTENDED_BOUNDS_MODE != 3
     if (x <= -LEVEL_BOUNDARY_MAX || x >= LEVEL_BOUNDARY_MAX) {
         return height;
     }
     if (z <= -LEVEL_BOUNDARY_MAX || z >= LEVEL_BOUNDARY_MAX) {
         return height;
     }
+#endif
 
     // Each level is split into cells to limit load, find the appropriate cell.
     cellX = ((x + LEVEL_BOUNDARY_MAX) / CELL_SIZE) & NUM_CELLS_INDEX;