diff --git a/CMakeLists.txt b/CMakeLists.txt
index 93d8d20..7bdee5e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -75,7 +75,7 @@ target_include_directories(dpli PRIVATE ${PROJECT_SOURCE_DIR}/include)
 
 target_link_libraries(dpli PRIVATE dpllib antlr4_static)
 
-add_subdirectory(tests)
+#add_subdirectory(tests)
 
 # Strip debug symbols in Release mode
 if(CMAKE_BUILD_TYPE STREQUAL "Release")
diff --git a/src/Evaluator.cpp b/src/Evaluator.cpp
index c27284d..9d956fe 100644
--- a/src/Evaluator.cpp
+++ b/src/Evaluator.cpp
@@ -167,9 +167,6 @@ void Evaluator::visit(const std::shared_ptr<EqualExprNode> &node) {
     std::shared_ptr<AstNode> rightNode = node->getRightNode();
     rightNode->accept(shared_from_this());
 
-    bool numeric = leftNode->getVal().isNumeric() && rightNode->getVal().isNumeric();
-    bool string = leftNode->getVal().is<Value::STR>() && rightNode->getVal().is<Value::STR>();
-
     // Evaluates the value of the expression
     node->setVal(leftNode->getVal() == rightNode->getVal());
 }
diff --git a/src/Value.cpp b/src/Value.cpp
index d935baf..69e51ec 100644
--- a/src/Value.cpp
+++ b/src/Value.cpp
@@ -307,16 +307,16 @@ bool Value::operator>=(const Value& other) const { return *this > other || *this
 
 bool Value::operator!() const {
     if (is<INT>() || is<FLOAT>()) {
-        return get<INT>() != 0;
+        return get<INT>() == 0; // not 0 == true
     }
     if (is<BOOL>()) {
-        return !get<BOOL>();
+        return !get<BOOL>(); // not False == True
     }
     if (is<STR>()) {
-        return !get<STR>().empty();
+        return get<STR>().empty(); // not "" == true
     }
     if (is<LIST>()) {
-        return !get<LIST>()->empty();
+        return get<LIST>()->empty(); // not [] == true
     }
 
     throw InternalException("Can not use NOT on this type");