diff --git a/src/openrct2/paint/Paint.cpp b/src/openrct2/paint/Paint.cpp
index f4d9913b37..ae49f096eb 100644
--- a/src/openrct2/paint/Paint.cpp
+++ b/src/openrct2/paint/Paint.cpp
@@ -801,9 +801,6 @@ paint_struct* PaintAddImageAsParent(
     int32_t bound_box_length_y, int32_t bound_box_length_z, int32_t z_offset, int32_t bound_box_offset_x,
     int32_t bound_box_offset_y, int32_t bound_box_offset_z)
 {
-    assert(bound_box_length_x > 0);
-    assert(bound_box_length_y > 0);
-
     session->LastPS = nullptr;
     session->LastAttachedPS = nullptr;
 
@@ -863,8 +860,6 @@ paint_struct* PaintAddImageAsChild(
     int32_t bound_box_length_y, int32_t bound_box_length_z, int32_t z_offset, int32_t bound_box_offset_x,
     int32_t bound_box_offset_y, int32_t bound_box_offset_z)
 {
-    assert(bound_box_length_x > 0);
-    assert(bound_box_length_y > 0);
     return PaintAddImageAsChild(
         session, image_id, { x_offset, y_offset, z_offset }, { bound_box_length_x, bound_box_length_y, bound_box_length_z },
         { bound_box_offset_x, bound_box_offset_y, bound_box_offset_z });