diff --git a/book/generics/src/main.rs b/book/generics/src/main.rs
index 109112b..8c33975 100644
--- a/book/generics/src/main.rs
+++ b/book/generics/src/main.rs
@@ -1,5 +1,3 @@
-use core::alloc;
-
 struct List<T> {
     list: Vec<T>,
 }