diff --git a/CHANGELOG.md b/CHANGELOG.md
index fcc9e31..768c637 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 All notable changes to this project will be documented in this file.
 
+## [Unreleased]
+
+- 
+
 ## [4.4.1] - 2021-03-05
 
 - Patch widescreen on Wii U.
@@ -107,6 +111,7 @@ All notable changes to this project will be documented in this file.
 - New Bitmap FX
 - Add `GRRLIB_Exit()` to free the memory allocated by GRRLIB
 
+[unreleased]: https://github.com/GRRLIB/GRRLIB/compare/v4.4.1...HEAD
 [4.4.1]: https://github.com/GRRLIB/GRRLIB/compare/v4.4.0...v4.4.1
 [4.4.0]: https://github.com/GRRLIB/GRRLIB/compare/4.3.2...v4.4.0
 [4.3.2]: https://github.com/GRRLIB/GRRLIB/compare/4.3.1...4.3.2
diff --git a/GRRLIB/GRRLIB/GRRLIB_texEdit.c b/GRRLIB/GRRLIB/GRRLIB_texEdit.c
index 6ae1dc2..adcfd43 100644
--- a/GRRLIB/GRRLIB/GRRLIB_texEdit.c
+++ b/GRRLIB/GRRLIB/GRRLIB_texEdit.c
@@ -185,9 +185,9 @@ GRRLIB_texImg*  GRRLIB_LoadTexturePNG (const u8 *my_png) {
  * @return An array of palette. Memory must be deleted.
  */
 static RGBQUAD*  GRRLIB_CreatePalette (const u8 *my_bmp, u32 Size) {
-    u32 n, i = 0;
+    u32 i = 0;
     RGBQUAD *Palette = calloc(Size, sizeof(RGBQUAD));
-    for(n=0; n<Size; n++) {
+    for(u32 n=0; n<Size; n++) {
         Palette[n].rgbBlue = my_bmp[i];
         Palette[n].rgbGreen = my_bmp[i+1];
         Palette[n].rgbRed = my_bmp[i+2];
diff --git a/GRRLIB/GRRLIB/grrlib/GRRLIB_pixel.h b/GRRLIB/GRRLIB/grrlib/GRRLIB_pixel.h
index db73351..a1e87ec 100644
--- a/GRRLIB/GRRLIB/grrlib/GRRLIB_pixel.h
+++ b/GRRLIB/GRRLIB/grrlib/GRRLIB_pixel.h
@@ -1,5 +1,5 @@
 /*------------------------------------------------------------------------------
-Copyright (c) 2009-2017 The GRRLIB Team
+Copyright (c) 2009-2021 The GRRLIB Team
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -40,9 +40,9 @@ THE SOFTWARE.
 INLINE
 u32  GRRLIB_GetPixelFromtexImg (const int x, const int y,
                                 const GRRLIB_texImg *tex) {
-    register u32  offs;
-    register u32  ar;
-    register u8*  bp = (u8*)tex->data;
+    u32  offs;
+    u32  ar;
+    u8*  bp = (u8*)tex->data;
 
     offs = (((y&(~3))<<2)*tex->w) + ((x&(~3))<<4) + ((((y&3)<<2) + (x&3)) <<1);
 
@@ -61,8 +61,8 @@ u32  GRRLIB_GetPixelFromtexImg (const int x, const int y,
 INLINE
 void  GRRLIB_SetPixelTotexImg (const int x, const int y,
                                GRRLIB_texImg *tex, const u32 color) {
-    register u32  offs;
-    register u8*  bp = (u8*)tex->data;
+    u32  offs;
+    u8*  bp = (u8*)tex->data;
 
     offs = (((y&(~3))<<2)*tex->w) + ((x&(~3))<<4) + ((((y&3)<<2) + (x&3)) <<1);
 
diff --git a/examples/particle/source/main.cpp b/examples/particle/source/main.cpp
index 3191953..a59db65 100644
--- a/examples/particle/source/main.cpp
+++ b/examples/particle/source/main.cpp
@@ -150,7 +150,6 @@ int main() {
 }
 
 static void createEffect( u8 id, int _x, int _y ) {
-    u8 _ColorAdd = 0;
     switch (id) {
         case EFFECT_SMOKEBOMB:
             for (u8 i = 0; i < 5; i++) {
@@ -160,7 +159,7 @@ static void createEffect( u8 id, int _x, int _y ) {
                 createParticle( 3, (_x + (RANDOM * 50)), (_y + (RANDOM * 50)), 1.25f, 1.5f, 92, 92, 92 );
             }
             for (u8 i = 0; i < 5; i++) {
-                _ColorAdd = (RANDOM * 75);
+                u8 _ColorAdd = (RANDOM * 75);
                 createParticle( 2, (_x + (RANDOM * 40)), (_y + (RANDOM * 40)), (1.0f+(RANDOM*0.20)), 1.0f, 128+_ColorAdd, 128+_ColorAdd, 128+_ColorAdd );
             }
             break;