diff --git a/packages/rust-book/src/lib.rs b/packages/rust-book/src/lib.rs
index 266435a..8c8b88e 100644
--- a/packages/rust-book/src/lib.rs
+++ b/packages/rust-book/src/lib.rs
@@ -72,7 +72,8 @@ impl Book {
     }
 
     fn build(&self) -> Result<()> {
-        fs::remove_dir_all(&self.out_dir)?;
+        // TODO: Figure out why build fails sometimes when we remove the output dir:
+        // fs::remove_dir_all(&self.out_dir)?;
         fs::create_dir_all(&self.out_dir)?;
         fs::copy(
             self.cargo_manifest_dir.join("book.toml"),