diff --git a/src/days/07/Day07.cpp b/src/days/07/Day07.cpp
index 0d252f4..f12a529 100644
--- a/src/days/07/Day07.cpp
+++ b/src/days/07/Day07.cpp
@@ -9,6 +9,7 @@ Result Day07::Task1() {
 	});
 
 	delete tree;
+
 	return to_string(sum);
 }
 
@@ -25,6 +26,7 @@ Result Day07::Task2() {
 	uint64_t result = *std::min_element(sizes.begin(), sizes.end());
 
 	delete tree;
+
 	return to_string(result);
 }
 
@@ -129,3 +131,8 @@ uint64_t File::getSize() {
 uint64_t Item::getSize() {
 	return 0;
 }
+
+Dir::~Dir(){
+	for (Item* item : items)
+		delete item;
+}
diff --git a/src/days/07/Day07.h b/src/days/07/Day07.h
index 4bb7457..dcce8a0 100644
--- a/src/days/07/Day07.h
+++ b/src/days/07/Day07.h
@@ -9,6 +9,7 @@ struct Item {
 	string name;
 	Dir* parent;
 	virtual uint64_t getSize();
+	virtual ~Item() = default;
 };
 
 struct Dir : Item {
@@ -19,6 +20,7 @@ struct Dir : Item {
 	set<Dir*> getDirs();
 	set<Dir*> getAllDirsBelowSize(uint64_t maxSize);
 	set<Dir*> getAllDirsAboveSize(uint64_t minSize);
+	~Dir();
 };
 
 struct File : Item {