| Index: sdk/lib/io/directory_impl.dart
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| diff --git a/sdk/lib/io/directory_impl.dart b/sdk/lib/io/directory_impl.dart
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| index 99c0b664bb13c8f73d92d8f276a1af326dc51cb1..0157a19eeb71b9f7b1e5d34a9997b0edfaaec13b 100644
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| --- a/sdk/lib/io/directory_impl.dart
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| +++ b/sdk/lib/io/directory_impl.dart
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| @@ -12,10 +12,6 @@ class _Directory implements Directory {
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|    static const LIST_REQUEST = 4;
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|    static const RENAME_REQUEST = 5;
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|  
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| -  static const SUCCESS_RESPONSE = 0;
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| -  static const ILLEGAL_ARGUMENT_RESPONSE = 1;
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| -  static const OSERROR_RESPONSE = 2;
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| -
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|    _Directory(String this._path);
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|    _Directory.fromPath(Path path) : this(path.toNativePath());
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|  
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| 
 |