diff --git a/source/blender/draw/intern/draw_manager.c b/source/blender/draw/intern/draw_manager.c
index bf8428d2919..f25ef47685b 100644
--- a/source/blender/draw/intern/draw_manager.c
+++ b/source/blender/draw/intern/draw_manager.c
@@ -173,6 +173,7 @@ bool DRW_object_is_flat_normal(const Object *ob)
 int DRW_object_is_mode_shade(const Object *ob)
 {
 	BLI_assert(ob == DST.draw_ctx.obact);
+	UNUSED_VARS_NDEBUG(ob);
 	if ((DST.draw_ctx.object_mode & OB_MODE_EDIT) == 0) {
 		if (DST.draw_ctx.object_mode & (OB_MODE_VERTEX_PAINT | OB_MODE_WEIGHT_PAINT | OB_MODE_TEXTURE_PAINT)) {
 			if ((DST.draw_ctx.v3d->flag2 & V3D_SHOW_MODE_SHADE_OVERRIDE) == 0) {