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-rw-r--r--src/libsyntax/ast.rs3
1 files changed, 0 insertions, 3 deletions
diff --git a/src/libsyntax/ast.rs b/src/libsyntax/ast.rs
index 3d00518d947..0a9e0aedd3d 100644
--- a/src/libsyntax/ast.rs
+++ b/src/libsyntax/ast.rs
@@ -1730,11 +1730,8 @@ pub struct MacroDef {
 
 #[cfg(test)]
 mod test {
-    use serialize::json;
     use serialize;
-    use codemap::*;
     use super::*;
-    use std::fmt;
 
     // are ASTs encodable?
     #[test]