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-rw-r--r--src/libsyntax/ext/deriving/mod.rs2
1 files changed, 0 insertions, 2 deletions
diff --git a/src/libsyntax/ext/deriving/mod.rs b/src/libsyntax/ext/deriving/mod.rs
index f5170d284c6..537d9efbb26 100644
--- a/src/libsyntax/ext/deriving/mod.rs
+++ b/src/libsyntax/ext/deriving/mod.rs
@@ -18,8 +18,6 @@ library.
 
 */
 
-use core::prelude::*;
-
 use ast::{enum_def, ident, item, Generics, meta_item, struct_def};
 use ext::base::ExtCtxt;
 use ext::build::AstBuilder;