Cleanup unused imports

13 files changed, 14 insertions, 20 deletions

diff --git a/src/comp/syntax/ext/base.rs b/src/comp/syntax/ext/base.rs
index fb3b7caa3ca..0fc352ac8be 100644
--- a/src/comp/syntax/ext/base.rs
+++ b/src/comp/syntax/ext/base.rs
@@ -1,4 +1,4 @@
-import std::{str, vec, option};
+import std::{vec, option};
 import std::map::hashmap;
 import driver::session::session;
 import codemap::span;
diff --git a/src/comp/syntax/ext/env.rs b/src/comp/syntax/ext/env.rs
index 68b2ea87148..f017f7e6574 100644
--- a/src/comp/syntax/ext/env.rs
+++ b/src/comp/syntax/ext/env.rs
@@ -4,7 +4,7 @@
  * should all get sucked into either the compiler syntax extension plugin
  * interface.
  */
-import std::{vec, str, option, generic_os};
+import std::{vec, option, generic_os};
 import base::*;
 export expand_syntax_ext;
 
diff --git a/src/comp/syntax/ext/expand.rs b/src/comp/syntax/ext/expand.rs
index 81a50d2f0b7..a602ab49309 100644
--- a/src/comp/syntax/ext/expand.rs
+++ b/src/comp/syntax/ext/expand.rs
@@ -3,7 +3,7 @@ import driver::session;
 import std::option::{none, some};
 
 import std::map::hashmap;
-import std::{vec, str};
+import std::{vec};
 
 import syntax::ast::{crate, expr_, expr_mac, mac_invoc};
 import syntax::fold::*;
diff --git a/src/comp/syntax/ext/fmt.rs b/src/comp/syntax/ext/fmt.rs
index 575d49e15a6..b49f958a4d6 100644
--- a/src/comp/syntax/ext/fmt.rs
+++ b/src/comp/syntax/ext/fmt.rs
@@ -6,7 +6,7 @@
  * compiler syntax extension plugin interface.
  */
 import std::{vec, str, option};
-import std::option::{none, some};
+import std::option::{some};
 import std::extfmt::ct::*;
 import base::*;
 import codemap::span;
diff --git a/src/comp/syntax/ext/ident_to_str.rs b/src/comp/syntax/ext/ident_to_str.rs
index e6e4f4e794e..5a08399da49 100644
--- a/src/comp/syntax/ext/ident_to_str.rs
+++ b/src/comp/syntax/ext/ident_to_str.rs
@@ -1,4 +1,4 @@
-import std::{vec, str, option};
+import std::{vec, option};
 import base::*;
 import syntax::ast;
 
diff --git a/src/comp/syntax/ext/log_syntax.rs b/src/comp/syntax/ext/log_syntax.rs
index 4cda6b82f5b..67b92913602 100644
--- a/src/comp/syntax/ext/log_syntax.rs
+++ b/src/comp/syntax/ext/log_syntax.rs
@@ -1,4 +1,4 @@
-import std::{str, option};
+import std::{option};
 import base::*;
 import syntax::ast;
 
diff --git a/src/comp/syntax/ext/simplext.rs b/src/comp/syntax/ext/simplext.rs
index 3adcfbccf4e..6a2a87de52c 100644
--- a/src/comp/syntax/ext/simplext.rs
+++ b/src/comp/syntax/ext/simplext.rs
@@ -1,16 +1,15 @@
 use std;
 
 import codemap::span;
-import std::{vec, str, option};
+import std::{vec, option};
 import std::map::{hashmap, new_str_hash};
 import option::{some, none};
 
-import base::{syntax_extension, ext_ctxt, normal,
-              expr_to_str, expr_to_ident};
+import base::{ext_ctxt, normal};
 
 import fold::*;
 import ast_util::respan;
-import ast::{ident, path, ty, blk, blk_, expr, expr_, path_, expr_path,
+import ast::{ident, path, ty, blk_, expr, path_, expr_path,
              expr_vec, expr_mac, mac_invoc, node_id};
 
 export add_new_extension;
diff --git a/src/comp/syntax/parse/eval.rs b/src/comp/syntax/parse/eval.rs
index e4b60c4c21e..03c65d79e75 100644
--- a/src/comp/syntax/parse/eval.rs
+++ b/src/comp/syntax/parse/eval.rs
@@ -1,5 +1,5 @@
 
-import std::{str, option, result, io, fs};
+import std::{option, result, io, fs};
 import std::option::{some, none};
 import syntax::ast;
 import syntax::parse::token;
diff --git a/src/comp/syntax/parse/lexer.rs b/src/comp/syntax/parse/lexer.rs
index 685b93941b9..df9683f6a93 100644
--- a/src/comp/syntax/parse/lexer.rs
+++ b/src/comp/syntax/parse/lexer.rs
@@ -1,6 +1,5 @@
 
-import std::{io, int, vec, str, map, option};
-import std::map::hashmap;
+import std::{io, vec, str, option};
 import std::option::{some, none};
 import util::interner;
 import util::interner::intern;
diff --git a/src/comp/syntax/parse/parser.rs b/src/comp/syntax/parse/parser.rs
index 214955b14a0..4fa5baa7af4 100644
--- a/src/comp/syntax/parse/parser.rs
+++ b/src/comp/syntax/parse/parser.rs
@@ -4,7 +4,6 @@ import std::option::{some, none};
 import std::either::{left, right};
 import std::map::{hashmap, new_str_hash};
 import token::can_begin_expr;
-import ex = ext::base;
 import codemap::span;
 import util::interner;
 import ast::{node_id, spanned};
diff --git a/src/comp/syntax/parse/token.rs b/src/comp/syntax/parse/token.rs
index c89d99f0baf..ee02e24c7a8 100644
--- a/src/comp/syntax/parse/token.rs
+++ b/src/comp/syntax/parse/token.rs
@@ -1,10 +1,8 @@
 
 import ast::ty_mach;
 import ast_util::ty_mach_to_str;
-import std::map::new_str_hash;
 import util::interner;
-import std::{int, uint, str, option};
-import option::{some, none};
+import std::{int, uint, str};
 
 type str_num = uint;
 
diff --git a/src/comp/syntax/print/pprust.rs b/src/comp/syntax/print/pprust.rs
index 4570b56cba9..d45c8a8a43a 100644
--- a/src/comp/syntax/print/pprust.rs
+++ b/src/comp/syntax/print/pprust.rs
@@ -2,11 +2,10 @@
 import std::{vec, int, io, str, uint, option};
 import parse::lexer;
 import syntax::codemap::codemap;
-import syntax::visit;
 import ast;
 import ast_util;
 import option::{some, none};
-import pp::{printer, break_offset, word, huge_word, zero_word,
+import pp::{break_offset, word,
             space, zerobreak, hardbreak, breaks, consistent,
             inconsistent, eof};
 
diff --git a/src/comp/syntax/util/interner.rs b/src/comp/syntax/util/interner.rs
index dea86723af3..c814f168a4a 100644
--- a/src/comp/syntax/util/interner.rs
+++ b/src/comp/syntax/util/interner.rs
@@ -1,7 +1,7 @@
 // An "interner" is a data structure that associates values with uint tags and
 // allows bidirectional lookup; i.e. given a value, one can easily find the
 // type, and vice versa.
-import std::{vec, map, option};
+import std::{vec, map};
 import std::map::{hashmap, hashfn, eqfn};
 import std::option::{none, some};