diff --git a/lib/user_agent.dart b/lib/user_agent.dart
deleted file mode 100644
index 2d4bc43f..00000000
--- a/lib/user_agent.dart
+++ /dev/null
@@ -1,16 +0,0 @@
-library user_agent;
-
-import 'src/matchers.dart';
-import 'src/user_agent.dart';
-
-/// Parses the given header into a user agent.
-UserAgent parse(String header) {}
-
-class UserAgentException implements Exception {
-  final String message;
-  
-  UserAgentException(this.message);
-  
-  @override
-  String toString() => 'User Agent exception: $message';
-}