diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0e35442..5dfef7d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.20)
 include(cmake/color.cmake)
-set(BLT_VERSION 0.20.3)
+set(BLT_VERSION 0.20.4)
 set(BLT_TEST_VERSION 0.0.1)
 
 set(BLT_TARGET BLT)
diff --git a/include/blt/meta/config_generator.h b/include/blt/meta/config_generator.h
index 58abcb8..efe06ae 100644
--- a/include/blt/meta/config_generator.h
+++ b/include/blt/meta/config_generator.h
@@ -23,14 +23,11 @@
 
 namespace blt
 {
-#define BLT_MAKE_VARIABLE(TYPE, NAME)                                   \
-    TYPE NAME{};
-
-#define BLT_INTERNAL_MAKE_GETTER(TYPE, NAME)                            \
+#define BLT_MAKE_GETTER(TYPE, NAME)                                     \
     TYPE& get_##NAME() { return NAME; }                                 \
     const TYPE& get_##NAME() const { return NAME; }
 
-#define BLT_INTERNAL_MAKE_SETTER(TYPE, NAME)                            \
+#define BLT_MAKE_SETTER(TYPE, NAME)                                     \
     auto& set_##NAME(const TYPE& new_##NAME)                            \
     {                                                                   \
         NAME = new_##NAME;                                              \
@@ -42,31 +39,11 @@ namespace blt
         return *this;                                                   \
     }
 
-#define BLT_MAKE_GETTER(TYPE, NAME)                                     \
-    private:                                                            \
-        BLT_MAKE_VARIABLE(TYPE, NAME)                                   \
-    public:                                                             \
-        BLT_INTERNAL_MAKE_GETTER(TYPE, NAME)
-
-#define BLT_MAKE_SETTER(TYPE, NAME)                                     \
-    private:                                                            \
-        BLT_MAKE_VARIABLE(TYPE, NAME)                                   \
-    public:                                                             \
-        BLT_INTERNAL_MAKE_SETTER(TYPE, NAME)
-
-#define BLT_MAKE_FRIEND(FRIEND) friend FRIEND;
-
-//#define BLT_MAKE_ARG(TYPE, NAME) TYPE, NAME
-//#define INTERNAL_BLT_ARG_INPUT(TYPE, NAME) TYPE NAME
-//#define INTERNAL_BLT_ARG_ASSIGNMENT(TYPE, NAME) _##NAME(NAME)
-//#define BLT_MAKE_CONSTRUCTOR(OBJECT, ...) OBJECT()
-
 #define BLT_MAKE_GETTER_AND_SETTER(TYPE, NAME)                          \
-    private:                                                            \
-        BLT_MAKE_VARIABLE(TYPE, NAME)                                   \
-    public:                                                             \
-        BLT_INTERNAL_MAKE_GETTER(TYPE, NAME)                            \
-        BLT_INTERNAL_MAKE_SETTER(TYPE, NAME)
+    BLT_MAKE_GETTER(TYPE, NAME)                                         \
+    BLT_MAKE_SETTER(TYPE, NAME)
+    
+#define BLT_MAKE_FRIEND(FRIEND) friend FRIEND;
 
 #define BLT_MAKE_CONFIG_TYPE(OBJECT, ...)                               \
     class OBJECT {                                                      \
diff --git a/libraries/parallel-hashmap b/libraries/parallel-hashmap
index 8a889d3..63acc33 160000
--- a/libraries/parallel-hashmap
+++ b/libraries/parallel-hashmap
@@ -1 +1 @@
-Subproject commit 8a889d3699b3c09ade435641fb034427f3fd12b6
+Subproject commit 63acc3336f941c6f324c88eb9ee4ce623a460cd5