fix more design

1 files changed, 0 insertions, 10 deletions

diff --git a/NullTileBehavior.cpp b/NullTileBehavior.cpp
index 7a056a4..c5a35d9 100644
--- a/NullTileBehavior.cpp
+++ b/NullTileBehavior.cpp
@@ -1,16 +1,6 @@
-#include <memory>
-
 #include "NullTileBehavior.h"
 
 using namespace std;
 
-NullTileBehavior NullTileBehavior::instance { NullTileBehavior::type };
-
 void NullTileBehavior::update(Tile &) { }
 
-unique_ptr<TileBehavior> NullTileBehavior::clone(Museum & museum) {
-	auto instance = new NullTileBehavior();
-	instance->museum = &museum;
-	return unique_ptr<TileBehavior>(instance);
-}
-