diff --git a/pkg/compiler/lib/src/platform_configuration.dart b/pkg/compiler/lib/src/platform_configuration.dart
deleted file mode 100644
index 0f61ca4..0000000
--- a/pkg/compiler/lib/src/platform_configuration.dart
+++ /dev/null
@@ -1,144 +0,0 @@
-// Copyright (c) 2015, the Fletch project authors. Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE.md file.
-
-/// Tools for loading and parsing platform-configuration files.
-library platform_configuration;
-
-import "dart:async";
-
-import "package:charcode/ascii.dart";
-
-import "../compiler_new.dart" as api;
-
-/// Parses an Ini-like format.
-///
-/// Sections are initialized with a name enclosed in brackets.
-/// Each section contain zero or more properties of the form "name:value".
-/// Empty lines are ignored.
-/// Lines starting with # are ignored.
-/// Duplicate names are not allowed.
-/// All keys and values will be passed through [String.trim].
-///
-/// If an error is found, a [FormatException] is thrown, using [sourceUri] in
-/// the error message.
-///
-/// Example
-/// ```
-/// [a]
-/// b:c
-///
-/// [d]
-/// e:file:///tmp/bla
-/// ```
-/// Will parse to {"a": {"b":"c"}, "d": {"e": "file:///tmp/bla"}}.
-
-Map<String, Map<String, String>> parseIni(List<int> source,
-    {Set<String> allowedSections, Uri sourceUri}) {
-  int startOfLine = 0;
-  int currentLine = 0;
-
-  error(String message, int index) {
-    int column = index - startOfLine + 1;
-    throw new FormatException(
-        "$sourceUri:$currentLine:$column: $message", sourceUri, index);
-  }
-
-  Map<String, Map<String, String>> result =
-      new Map<String, Map<String, String>>();
-  Map<String, String> currentSection = null;
-
-  if (source.length == 0) return result;
-  bool endOfFile = false;
-
-  // Iterate once per $lf in file.
-  while (!endOfFile) {
-    currentLine += 1;
-    int endOfLine = source.indexOf($lf, startOfLine);
-    if (endOfLine == -1) {
-      // The dart2js provider adds a final 0 to the file.
-      endOfLine = source.last == 0 ? source.length - 1 : source.length;
-      endOfFile = true;
-    }
-    if (startOfLine != endOfLine) {
-      int firstChar = source[startOfLine];
-      if (firstChar == $hash) {
-        // Comment, do nothing.
-      } else if (firstChar == $open_bracket) {
-        // Section header
-        int endOfHeader = source.indexOf($close_bracket, startOfLine);
-        if (endOfHeader == -1) {
-          error("'[' must be matched by ']' on the same line.", startOfLine);
-        }
-        if (endOfHeader == startOfLine + 1) {
-          error("Empty header name", startOfLine + 1);
-        }
-        if (endOfHeader != endOfLine - 1) {
-          error("Section heading lines must end with ']'", endOfHeader + 1);
-        }
-        int startOfSectionName = startOfLine + 1;
-        String sectionName =
-            new String.fromCharCodes(source, startOfSectionName, endOfHeader)
-                .trim();
-        currentSection = new Map<String, String>();
-        if (result.containsKey(sectionName)) {
-          error("Duplicate section name '$sectionName'", startOfSectionName);
-        }
-        if (allowedSections != null && !allowedSections.contains(sectionName)) {
-          error("Unrecognized section name '$sectionName'", startOfSectionName);
-        }
-        result[sectionName] = currentSection;
-      } else {
-        // Property line
-        if (currentSection == null) {
-          error("Property outside section", startOfLine);
-        }
-        int separator = source.indexOf($colon, startOfLine);
-        if (separator == startOfLine) {
-          error("Empty property name", startOfLine);
-        }
-        if (separator == -1 || separator > endOfLine) {
-          error("Property line without ':'", startOfLine);
-        }
-        String propertyName =
-            new String.fromCharCodes(source, startOfLine, separator).trim();
-        if (currentSection.containsKey(propertyName)) {
-          error("Duplicate property name '$propertyName'", startOfLine);
-        }
-        String propertyValue =
-            new String.fromCharCodes(source, separator + 1, endOfLine).trim();
-        currentSection[propertyName] = propertyValue;
-      }
-    }
-    startOfLine = endOfLine + 1;
-  }
-  return result;
-}
-
-const String librariesSection = "libraries";
-const String dartSpecSection = "dart-spec";
-const String featuresSection = "features";
-
-Map<String, Uri> libraryMappings(
-    Map<String, Map<String, String>> sections, Uri baseLocation) {
-  assert(sections.containsKey(librariesSection));
-  Map<String, Uri> result = new Map<String, Uri>();
-  sections[librariesSection].forEach((String name, String value) {
-    result[name] = baseLocation.resolve(value);
-  });
-  return result;
-}
-
-final Set<String> allowedSections =
-    new Set.from([librariesSection, dartSpecSection, featuresSection]);
-
-Future<Map<String, Uri>> load(Uri location, api.CompilerInput provider) {
-  return provider
-      .readFromUri(location, inputKind: api.InputKind.binary)
-      .then((api.Input input) {
-    return libraryMappings(
-        parseIni(input.data,
-            allowedSections: allowedSections, sourceUri: location),
-        location);
-  });
-}
diff --git a/tests/compiler/dart2js/end_to_end/platform_config_parser_test.dart b/tests/compiler/dart2js/end_to_end/platform_config_parser_test.dart
deleted file mode 100644
index c0b843e..0000000
--- a/tests/compiler/dart2js/end_to_end/platform_config_parser_test.dart
+++ /dev/null
@@ -1,122 +0,0 @@
-// Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-import "package:compiler/src/platform_configuration.dart";
-import "package:expect/expect.dart";
-
-/// Runs the parser on [input] and compares it with [expectedResult]
-///
-/// A '*' in [input] indicates that the parser will report an error at the
-/// given point (On [input] with the "*" removed).
-test(String input, [Map<String, Map<String, String>> expectedOutput]) {
-  int starIndex = input.indexOf("*");
-  String inputWithoutStar = input.replaceFirst("*", "");
-
-  parse() => parseIni(inputWithoutStar.codeUnits,
-      allowedSections: new Set.from(["AA", "BB"]));
-
-  if (starIndex != -1) {
-    Expect.equals(expectedOutput, null);
-    Expect.throws(parse, (dynamic e) {
-      Expect.isTrue(e is FormatException);
-      Expect.equals(starIndex, e.offset);
-      return e is FormatException;
-    });
-  } else {
-    Map<String, Map<String, String>> result = parse();
-    Expect.equals(expectedOutput.length, result.length);
-    expectedOutput.forEach((String name, Map<String, String> properties) {
-      Expect.isTrue(expectedOutput.containsKey(name), "Missing section $name");
-      Expect.mapEquals(expectedOutput[name], properties);
-    });
-  }
-}
-
-main() {
-  // Empty file.
-  test("""
-# Nothing here
-""", {});
-
-  // Text outside section.
-  test("""
-*aaa
-""");
-
-  // Malformed header.
-  test("""
-*[AABC
-name:value
-""");
-
-  // Text after header.
-  test("""
-[AABC]*abcde
-""");
-
-  // Empty section name.
-  test("""
-[*]
-""");
-
-  // Duplicate section name.
-  test("""
-[AA]
-[BB]
-[*AA]
-""");
-
-  // Unrecognized section name.
-  test("""
-[*CC]
-""");
-
-  // Empty property name.
-  test("""
-[AA]
-*:value
-name:value
-""");
-
-  // Ok.
-  test("""
-[AA]
-name:value
-[BB]
-name:value
-name2:value2
-""", {
-    "AA": {"name": "value"},
-    "BB": {"name": "value", "name2": "value2"}
-  });
-
-  // Ok, file not ending in newline.
-  test("""
-[AA]
-name:value""", {
-    "A": {"name": "value"}
-  });
-
-  // Ok, whitespace is trimmed away.
-  test("""
-[ AA ]
- name\t:  value """, {
-    "A": {"name": "value"}
-  });
-
-  // Duplicate property name.
-  test("""
-[AA]
-a:b
-b:c
-*a:c
-""");
-
-  // No ':' on property line.
-  test("""
-[AA]
-*name1
-name2:value
-""");
-}