1 files changed, 0 insertions, 4 deletions
diff --git a/src/librustdoc/extract.rs b/src/librustdoc/extract.rs
index fa3f7d64324..ce120f477a5 100644
--- a/src/librustdoc/extract.rs
+++ b/src/librustdoc/extract.rs
@@ -10,15 +10,11 @@
 
 //! Converts the Rust AST to the rustdoc document model
 
-use core::prelude::*;
-
 use astsrv;
 use doc::ItemUtils;
 use doc;
 
-use core::cast;
 use core::task::local_data::local_data_get;
-use core::vec;
 use syntax::ast;
 use syntax;