diff --git a/.gitignore b/.gitignore
index ff21f10..cd3f4ed 100644
--- a/.gitignore
+++ b/.gitignore
@@ -167,3 +167,4 @@ cython_debug/
 
 # ignore the aifs index files
 _.aifs
+01OS/output_audio.wav
diff --git a/01OS/output_audio.wav b/01OS/output_audio.wav
deleted file mode 100644
index 44ec5e6..0000000
Binary files a/01OS/output_audio.wav and /dev/null differ