diff --git a/src/waypoint.cpp b/src/waypoint.cpp
--- a/src/waypoint.cpp
+++ b/src/waypoint.cpp
@@ -52,6 +52,4 @@ Waypoint::~Waypoint()
 	if (CleaningPool()) return;
 	DeleteWindowById(WC_WAYPOINT_VIEW, this->index);
 	RemoveOrderFromAllVehicles(OT_GOTO_WAYPOINT, this->index);
-
-	this->sign.MarkDirty();
 }