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-rw-r--r--src/libsyntax_ext/global_allocator.rs1
1 files changed, 0 insertions, 1 deletions
diff --git a/src/libsyntax_ext/global_allocator.rs b/src/libsyntax_ext/global_allocator.rs
index 7225ceb8fc9..f788b513804 100644
--- a/src/libsyntax_ext/global_allocator.rs
+++ b/src/libsyntax_ext/global_allocator.rs
@@ -3,7 +3,6 @@ use syntax::ast::{self, Arg, Attribute, Expr, FnHeader, Generics, Ident};
 use syntax::attr::check_builtin_macro_attribute;
 use syntax::ext::allocator::{AllocatorKind, AllocatorMethod, AllocatorTy, ALLOCATOR_METHODS};
 use syntax::ext::base::{Annotatable, ExtCtxt};
-use syntax::ext::build::AstBuilder;
 use syntax::ext::hygiene::SyntaxContext;
 use syntax::ptr::P;
 use syntax::symbol::{kw, sym, Symbol};