diff --git a/.gitignore b/.gitignore
index 0002bc9..d9d7c38 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,4 @@ book
 target
 Cargo.lock
 /index.html
-.tar.gz
+*.tar.gz
diff --git a/source_code.tar.gz b/source_code.tar.gz
deleted file mode 100644
index 4927d82..0000000
Binary files a/source_code.tar.gz and /dev/null differ