diff --git a/src/Parser/ParsedExpressions/ParsedExpression.hpp b/src/Parser/ParsedExpressions/ParsedExpression.hpp
index 612da12..2b52fb6 100644
--- a/src/Parser/ParsedExpressions/ParsedExpression.hpp
+++ b/src/Parser/ParsedExpressions/ParsedExpression.hpp
@@ -23,12 +23,13 @@ class ParsedExpression {
     unsigned int _position;
     unsigned int _length;
 public:
-    virtual ParsedExpressionKind GetKind() = 0;
-
     ParsedExpression(unsigned int position, unsigned int length){
         _position = position;
         _length = length;
     }
+    virtual ~ParsedExpression() = default;
+
+    virtual ParsedExpressionKind GetKind() = 0;
 
     unsigned int GetStartPosition(){
         return _position;
@@ -100,6 +101,10 @@ public:
 class ParenthesizedExpression : public ParsedExpression{
     ParsedExpression* _expression;
 public:
+    ~ParenthesizedExpression() override {
+        delete _expression;
+    }
+
     ParsedExpressionKind GetKind() final{
         return ParsedExpressionKind::Parenthesized;
     }
@@ -118,6 +123,10 @@ class UnaryExpression : public ParsedExpression{
     UnaryOperatorKind _kind;
     ParsedExpression* _operand;
 public:
+    ~UnaryExpression() override {
+        delete _operand;
+    }
+
     ParsedExpressionKind GetKind() final{
         return ParsedExpressionKind::Unary;
     }
@@ -142,6 +151,11 @@ class BinaryExpression : public ParsedExpression{
     ParsedExpression* _left;
     ParsedExpression* _right;
 public:
+    ~BinaryExpression() override {
+        delete _left;
+        delete _right;
+    }
+
     ParsedExpressionKind GetKind() final{
         return ParsedExpressionKind::Binary;
     }
diff --git a/src/Parser/ParsedStatements/ParsedScriptStatement.hpp b/src/Parser/ParsedStatements/ParsedScriptStatement.hpp
deleted file mode 100644
index ee94888..0000000
--- a/src/Parser/ParsedStatements/ParsedScriptStatement.hpp
+++ /dev/null
@@ -1,16 +0,0 @@
-
-#ifndef PORYGONLANG_PARSEDSCRIPTSTATEMENT_HPP
-#define PORYGONLANG_PARSEDSCRIPTSTATEMENT_HPP
-
-#include "ParsedStatement.hpp"
-
-class ParsedScriptStatement : public ParsedBlockStatement{
-public:
-    explicit ParsedScriptStatement(vector<ParsedStatement*> statements) : ParsedBlockStatement(move(statements)){}
-
-    ParsedStatementKind GetKind() final{
-        return ParsedStatementKind ::Script;
-    }
-};
-
-#endif //PORYGONLANG_PARSEDSCRIPTSTATEMENT_HPP
diff --git a/src/Parser/ParsedStatements/ParsedStatement.hpp b/src/Parser/ParsedStatements/ParsedStatement.hpp
index 7f0c043..389e727 100644
--- a/src/Parser/ParsedStatements/ParsedStatement.hpp
+++ b/src/Parser/ParsedStatements/ParsedStatement.hpp
@@ -24,6 +24,7 @@ public:
         _start = start;
         _length = length;
     }
+    virtual ~ParsedStatement() = default;
 
     unsigned int GetStartPosition(){
         return _start;
@@ -41,6 +42,12 @@ public:
         : ParsedStatement(statements.front()->GetStartPosition(), statements.back()->GetEndPosition() - statements.front()->GetStartPosition()){
         _statements = std::move(statements);
     }
+    ~ParsedBlockStatement() override {
+        for (auto s: _statements){
+            delete s;
+        }
+        _statements.clear();
+    }
 
     ParsedStatementKind GetKind() override{
         return ParsedStatementKind ::Block;
@@ -51,12 +58,24 @@ public:
     }
 };
 
+class ParsedScriptStatement : public ParsedBlockStatement{
+public:
+    explicit ParsedScriptStatement(vector<ParsedStatement*> statements) : ParsedBlockStatement(move(statements)){}
+
+    ParsedStatementKind GetKind() final{
+        return ParsedStatementKind ::Script;
+    }
+};
+
 class ParsedExpressionStatement : public ParsedStatement{
     ParsedExpression* _expression;
 public:
     explicit ParsedExpressionStatement(ParsedExpression* expression) : ParsedStatement(expression->GetStartPosition(), expression->GetLength()){
         _expression = expression;
     }
+    ~ParsedExpressionStatement() override {
+        delete _expression;
+    }
 
     ParsedStatementKind GetKind() final{
         return ParsedStatementKind ::Expression;
diff --git a/src/Parser/Parser.cpp b/src/Parser/Parser.cpp
index 2456467..0c138f8 100644
--- a/src/Parser/Parser.cpp
+++ b/src/Parser/Parser.cpp
@@ -2,7 +2,6 @@
 #include "Parser.hpp"
 #include "UnaryOperatorKind.hpp"
 #include "BinaryOperatorKind.hpp"
-#include "ParsedScriptStatement.hpp"
 
 
 ParsedScriptStatement* Parser::Parse() {
diff --git a/src/Parser/Parser.hpp b/src/Parser/Parser.hpp
index aa19751..282a71e 100644
--- a/src/Parser/Parser.hpp
+++ b/src/Parser/Parser.hpp
@@ -6,7 +6,6 @@
 
 #include "ParsedStatements/ParsedStatement.hpp"
 #include "../Script.hpp"
-#include "ParsedScriptStatement.hpp"
 
 enum class OperatorPrecedence {
     No,