diff --git a/.gitignore b/.gitignore
index b84dfcf..c8db678 100644
--- a/.gitignore
+++ b/.gitignore
@@ -18,6 +18,7 @@ lib64/
 parts/
 sdist/
 Tetris2000.build/
+Tetris2000.build/
 var/
 wheels/
 *.egg-info/
diff --git a/README.md b/README.md
index b786251..7eb7a3c 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ Yet another Tetris clone, with Qt5 on Python 3
     ```bash
     pip3 install --user qtpy
     pip3 install --user qdarkstyle
-    pip3 install --user nuitka
+    pip3 install --user pyinstaller
     ```
   
 * Clone repository:
@@ -28,21 +28,11 @@ Yet another Tetris clone, with Qt5 on Python 3
     git clone https://github.com/adrienmalin/Tetris2000
     ```
     
-* Build with nuitka:
-
-Linux:
+* Build with pyinstaller:
 
     ```bash
-    python3 -m nuitka Tetris2000.py --recurse-all
+    pyinstaller pyinstaller.spec
     ```
-    
-Windows:
-
-    ```bash
-    python -m nuitka Tetris2000 --recurse-all --windows-disable-console
-    ```
-
-Add `icons/icon.ico` to `Tetris2000.exe` with [Resource hacker](http://www.angusj.com/resourcehacker/)
 
 ## Credits
 
diff --git a/Tetris2000.exe b/Tetris2000.exe
deleted file mode 100644
index b93093b..0000000
Binary files a/Tetris2000.exe and /dev/null differ
diff --git a/python36.dll b/python36.dll
deleted file mode 100644
index b8a4c01..0000000
Binary files a/python36.dll and /dev/null differ