diff --git a/.gitignore b/.gitignore
index c2966ec9..a665e829 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ mutants.out.old
 .cargo/config.toml
 wiki
 .vscode/
+book/book
diff --git a/book/.gitignore b/book/.gitignore
deleted file mode 100644
index 7585238e..00000000
--- a/book/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-book