Remove unused imports

src/libsyntax/ext/expand.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-use ast::{Block, Crate, DeclLocal, ExprMac, PatMac};
+use ast::{Block, Crate, DeclLocal, PatMac};
 use ast::{Local, Ident, Mac_, Name};
 use ast::{ItemMac, MacStmtWithSemicolon, Mrk, Stmt, StmtDecl, StmtMac};
 use ast::{StmtExpr, StmtSemi};

src/libsyntax/ext/quote.rs

@@ -8,7 +8,7 @@
 // option. This file may not be copied, modified, or distributed
 // except according to those terms.
 
-use ast::{self, Arg, Arm, Block, Expr, Item, Pat, Path, Stmt, TokenTree, Ty};
+use ast::{self, Arg, Arm, Block, Expr, Item, Pat, Stmt, TokenTree, Ty};
 use codemap::Span;
 use ext::base::ExtCtxt;
 use ext::base;
@@ -33,7 +33,7 @@ pub mod rt {
     use ptr::P;
     use std::rc::Rc;
 
-    use ast::{TokenTree, Expr};
+    use ast::TokenTree;
 
     pub use parse::new_parser_from_tts;
     pub use codemap::{BytePos, Span, dummy_spanned, DUMMY_SP};

src/libsyntax/ext/tt/macro_parser.rs

@@ -85,7 +85,7 @@ use codemap;
 use parse::lexer::*; //resolve bug?
 use parse::ParseSess;
 use parse::parser::{LifetimeAndTypesWithoutColons, Parser};
-use parse::token::{Eof, DocComment, MatchNt, SubstNt};
+use parse::token::{DocComment, MatchNt, SubstNt};
 use parse::token::{Token, Nonterminal};
 use parse::token;
 use print::pprust;

src/libsyntax/ext/tt/transcribe.rs

@@ -14,7 +14,7 @@ use ast::{TokenTree, Ident, Name};
 use codemap::{Span, DUMMY_SP};
 use diagnostic::SpanHandler;
 use ext::tt::macro_parser::{NamedMatch, MatchedSeq, MatchedNonterminal};
-use parse::token::{Eof, DocComment, Interpolated, MatchNt, SubstNt};
+use parse::token::{DocComment, MatchNt, SubstNt};
 use parse::token::{Token, NtIdent, SpecialMacroVar};
 use parse::token;
 use parse::lexer::TokenAndSpan;