| Index: lib/compiler/implementation/js_backend/js_backend.dart | 
| diff --git a/lib/compiler/implementation/js_backend/js_backend.dart b/lib/compiler/implementation/js_backend/js_backend.dart | 
| index 5a2bc9d2c504ce6ca16e37e4b3db51d2f5973b57..d8ba63f03d3ffebf939bdcd21f7acbff8abc89a6 100644 | 
| --- a/lib/compiler/implementation/js_backend/js_backend.dart | 
| +++ b/lib/compiler/implementation/js_backend/js_backend.dart | 
| @@ -14,11 +14,9 @@ | 
| #import('../source_map_builder.dart'); | 
| #import('../ssa/ssa.dart'); | 
| #import('../tree/tree.dart'); | 
| -#import('../util/characters.dart'); | 
| #import('../util/util.dart'); | 
|  | 
| #source('backend.dart'); | 
| -#source('constant_emitter.dart'); | 
| #source('constant_system_javascript.dart'); | 
| #source('emitter.dart'); | 
| #source('function_set.dart'); | 
|  |