diff --git a/source/application.cpp b/source/application.cpp
index 3dcb138..23113a3 100644
--- a/source/application.cpp
+++ b/source/application.cpp
@@ -1442,6 +1442,13 @@ namespace gmtk
 									map_.put_card(transformer_to_card(t->type));
 									t->type = *n;
 									active_card_ = std::nullopt;
+
+									auto e = map_.world->index<path_index>().get(selected_->down());
+									if (auto o = map_.world->get(e).get_if<occupied>())
+									{
+										map_.world->destroy(o->entity);
+										map_.world->detach<occupied>(e);
+									}
 								}
 							}
 						}
@@ -1493,6 +1500,13 @@ namespace gmtk
 							{
 								active_card_ = std::nullopt;
 								built_sound();
+
+								auto e = map_.world->index<path_index>().get(selected_->down());
+								if (auto o = map_.world->get(e).get_if<occupied>())
+								{
+									map_.world->destroy(o->entity);
+									map_.world->detach<occupied>(e);
+								}
 							}
 
 							if (built && tutorial_state_ <= 3)