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-rw-r--r--src/libsyntax_ext/cfg.rs1
1 files changed, 0 insertions, 1 deletions
diff --git a/src/libsyntax_ext/cfg.rs b/src/libsyntax_ext/cfg.rs
index 2b64f558be0..84830e6ddda 100644
--- a/src/libsyntax_ext/cfg.rs
+++ b/src/libsyntax_ext/cfg.rs
@@ -6,7 +6,6 @@ use errors::DiagnosticBuilder;
 
 use syntax::ast;
 use syntax::ext::base::{self, *};
-use syntax::ext::build::AstBuilder;
 use syntax::attr;
 use syntax::tokenstream;
 use syntax::parse::token;