diff --git a/scripts/orca_profile_tool.py b/scripts/orca_profile_tool.py
index f7f622c8c0..ec94eb7653 100755
--- a/scripts/orca_profile_tool.py
+++ b/scripts/orca_profile_tool.py
@@ -167,6 +167,11 @@ OBSOLETE_KEYS = {
     "filament_load_time", "filament_unload_time", "smooth_coefficient",
     "overhang_totally_speed", "silent_mode", "overhang_speed_classic",
     "anisotropic_surfaces",
+    # Belt printer options retired before the feature shipped (#16236).
+    "belt_slice_rotation_global", "preslice_remap_x", "preslice_remap_y", "preslice_remap_z",
+    "preslice_remap_global", "belt_support_z_offset_mode", "first_layer_plane",
+    "first_layer_plane_offset", "belt_preslice_global", "gcode_back_transform",
+    "belt_support_floor_mode", "first_layer_plane_thickness",
 }
 
 # Keys renamed at some point, whose old and new spellings must never co-exist:
diff --git a/tests/fff_print/test_print.cpp b/tests/fff_print/test_print.cpp
index be5311fd7b..7185b1eae5 100644
--- a/tests/fff_print/test_print.cpp
+++ b/tests/fff_print/test_print.cpp
@@ -34,6 +34,7 @@
 #include "libslic3r/ExtrusionEntity.hpp"
 #include "libslic3r/Polyline.hpp"
 #include <limits>
+#include <cmath>
 #include "libslic3r/Polygon.hpp"
 #include "libslic3r/Model.hpp"
 #include "libslic3r/GCodeReader.hpp"