diff --git a/DEPS b/DEPS
index 0cb59c88c43..702e439fad5 100644
--- a/DEPS
+++ b/DEPS
@@ -292,20 +292,6 @@ hooks = [
     "pattern": ".",
     "action": ["python", Var("dart_root") + "/tools/gyp_dart.py"],
   },
-  {
-    'name': 'checked_in_dart_binaries',
-    'pattern': '.',
-    'action': [
-      'download_from_google_storage',
-      '--no_auth',
-      '--no_resume',
-      '--bucket',
-      'dart-dependencies',
-      '--recursive',
-      '--directory',
-      Var('dart_root') + '/tools/testing/bin',
-    ],
-  },
   {
     'name': 'd8_testing_binaries',
     'pattern': '.',
diff --git a/tools/bots/cross-vm.py b/tools/bots/cross-vm.py
index 9fd751fc4b8..9865547e5c0 100644
--- a/tools/bots/cross-vm.py
+++ b/tools/bots/cross-vm.py
@@ -47,7 +47,7 @@ def cross_compiling_builder(arch, mode):
       with bot.BuildStep('Create build tarball'):
         run(['tar', '-cjf', tarball, '--exclude=**/obj',
              '--exclude=**/obj.host', '--exclude=**/obj.target',
-             '--exclude=**/*analyzer*', 'out/', 'tools/testing/bin/'])
+             '--exclude=**/*analyzer*', 'out/'])
 
       with bot.BuildStep('Upload build tarball'):
         uri = "%s/%s" % (GCS_BUCKET, tarball)
diff --git a/tools/create_tarball.py b/tools/create_tarball.py
index 462bd9dc567..887bc86326c 100755
--- a/tools/create_tarball.py
+++ b/tools/create_tarball.py
@@ -40,8 +40,7 @@ verbose = False
 versiondir = ''
 
 # Ignore Git/SVN files, checked-in binaries, backup files, etc..
-ignoredPaths = ['tools/testing/bin',
-                'tools/sdks',
+ignoredPaths = ['tools/sdks',
                 'third_party/7zip', 'third_party/android_tools',
                 'third_party/clang', 'third_party/d8',
                 'third_party/firefox_jsshell']
diff --git a/tools/deps/dartium.deps/DEPS b/tools/deps/dartium.deps/DEPS
index cf383fa7d72..aa99edf65ad 100644
--- a/tools/deps/dartium.deps/DEPS
+++ b/tools/deps/dartium.deps/DEPS
@@ -230,20 +230,6 @@ hooks.append({
       "f=open('src/build/util/LASTCHANGE.blink','w'); f.write('LASTCHANGE=" +
       Var('webkit_revision') + "\\n')" ],
 })
-hooks.append({
-  "name": "checked_in_dart_binaries",
-  "pattern": ".",
-  "action": [
-    "download_from_google_storage",
-    "--no_auth",
-    "--no_resume",
-    "--bucket",
-    "dart-dependencies",
-    "--recursive",
-    "--directory",
-    "src/dart/tools/testing/bin",
-  ],
-})
 hooks.append({
   "name": "checked_in_dart_sdks",
   "pattern": ".",
diff --git a/tools/dom/dom.py b/tools/dom/dom.py
index c69d065a11a..1316ab1e3ff 100755
--- a/tools/dom/dom.py
+++ b/tools/dom/dom.py
@@ -148,7 +148,7 @@ def start_test_server(port, build_directory):
   print('Browse tests at '
       '\033[94mhttp://localhost:%d/root_build/generated_tests/\033[0m' % port)
   return call([
-    utils.DartBinary(),
+    utils.CheckedInSdkExecutable(),
     os.path.join('tools', 'testing', 'dart', 'http_server.dart'),
     '--port=%d' % port,
     '--crossOriginPort=%d' % (port + 1),
diff --git a/tools/test.py b/tools/test.py
index 69b9ed814d9..9a32fa597bf 100755
--- a/tools/test.py
+++ b/tools/test.py
@@ -16,7 +16,8 @@ def Main():
   tools_dir = os.path.dirname(os.path.realpath(__file__))
   dart_script_name = 'test.dart'
   dart_test_script = string.join([tools_dir, dart_script_name], os.sep)
-  command = [utils.DartBinary(), '--checked', dart_test_script] + args
+  command = [utils.CheckedInSdkExecutable(),
+             '--checked', dart_test_script] + args
   exit_code = subprocess.call(command)
   utils.DiagnoseExitCode(exit_code, command)
   return exit_code
diff --git a/tools/testing/bin/linux/dart-arm.sha1 b/tools/testing/bin/linux/dart-arm.sha1
deleted file mode 100644
index c00a0112f73..00000000000
--- a/tools/testing/bin/linux/dart-arm.sha1
+++ /dev/null
@@ -1 +0,0 @@
-5246a42926c8d5c2ac785c952b76b746270c9484
\ No newline at end of file
diff --git a/tools/testing/bin/linux/dart-mips.sha1 b/tools/testing/bin/linux/dart-mips.sha1
deleted file mode 100644
index 6100eae0822..00000000000
--- a/tools/testing/bin/linux/dart-mips.sha1
+++ /dev/null
@@ -1 +0,0 @@
-7ab189bca5c5cf2997b9ab5770a5b418cd4fa5b1
\ No newline at end of file
diff --git a/tools/testing/bin/linux/dart.sha1 b/tools/testing/bin/linux/dart.sha1
deleted file mode 100644
index d8f03be148f..00000000000
--- a/tools/testing/bin/linux/dart.sha1
+++ /dev/null
@@ -1 +0,0 @@
-701c1f2bda5c7fa3cc0f044d7515237bdc2cc163
\ No newline at end of file
diff --git a/tools/testing/bin/macos/dart.sha1 b/tools/testing/bin/macos/dart.sha1
deleted file mode 100644
index c30354b9294..00000000000
--- a/tools/testing/bin/macos/dart.sha1
+++ /dev/null
@@ -1 +0,0 @@
-ecefe6ba96b8da00d171e199b2801982f98cc78d
\ No newline at end of file
diff --git a/tools/testing/bin/windows/dart.exe.sha1 b/tools/testing/bin/windows/dart.exe.sha1
deleted file mode 100644
index c43f34696bb..00000000000
--- a/tools/testing/bin/windows/dart.exe.sha1
+++ /dev/null
@@ -1 +0,0 @@
-c1394c6a589c47f7a6a1315eb1f9885d66852d67
\ No newline at end of file
diff --git a/tools/testing/dart/co19_test.dart b/tools/testing/dart/co19_test.dart
index f138688ea0f..d826263cf7b 100644
--- a/tools/testing/dart/co19_test.dart
+++ b/tools/testing/dart/co19_test.dart
@@ -11,7 +11,7 @@
  * co19.
  *
  * Usage:
- * [: ./tools/testing/bin/$OS/dart tools/testing/dart/co19_test.dart :]
+ * [: dart tools/testing/dart/co19_test.dart :]
  */
 
 library co19_test;
diff --git a/tools/testing/dart/http_server.dart b/tools/testing/dart/http_server.dart
index 843aaafe9be..1cfdb651bbf 100644
--- a/tools/testing/dart/http_server.dart
+++ b/tools/testing/dart/http_server.dart
@@ -172,7 +172,7 @@ class TestingServers {
   }
 
   String httpServerCommandline() {
-    var dart = TestUtils.dartTestExecutable.toNativePath();
+    var dart = Platform.resolvedExecutable;
     var dartDir = TestUtils.dartDir;
     var script = dartDir.join(new Path("tools/testing/dart/http_server.dart"));
     var buildDirectory = _buildDirectory.toNativePath();
diff --git a/tools/testing/dart/test_runner.dart b/tools/testing/dart/test_runner.dart
index 9a82e583ce3..2acdf33ed6b 100644
--- a/tools/testing/dart/test_runner.dart
+++ b/tools/testing/dart/test_runner.dart
@@ -292,7 +292,7 @@ class BrowserTestCommand extends Command {
       retry == other.retry;
 
   String get reproductionCommand {
-    var parts = [TestUtils.dartTestExecutable.toString(),
+    var parts = [Platform.resolvedExecutable,
                 'tools/testing/dart/launch_browser.dart',
                 browser,
                 url];
diff --git a/tools/testing/dart/test_suite.dart b/tools/testing/dart/test_suite.dart
index 79d5bc49f47..21a99a82c2a 100644
--- a/tools/testing/dart/test_suite.dart
+++ b/tools/testing/dart/test_suite.dart
@@ -2386,19 +2386,6 @@ class TestUtils {
     return normal;
   }
 
-  /**
-   * Returns the path to the dart binary checked into the repo, used for
-   * bootstrapping test.dart.
-   */
-  static Path get dartTestExecutable {
-    var path = '$dartDir/tools/testing/bin/'
-        '${Platform.operatingSystem}/dart';
-    if (Platform.operatingSystem == 'windows') {
-      path = '$path.exe';
-    }
-    return new Path(path);
-  }
-
   /**
    * Gets extra options under [key] passed to the testing script.
    */
diff --git a/tools/utils.py b/tools/utils.py
index 6e094868137..69d6a39adce 100644
--- a/tools/utils.py
+++ b/tools/utils.py
@@ -573,38 +573,6 @@ def ExecuteCommand(cmd):
   return pipe.returncode, output
 
 
-def DartBinary():
-  # TODO(24311): Replace all uses of this with CheckedInSdk[Fix]Executable().
-  tools_dir = os.path.dirname(os.path.realpath(__file__))
-  dart_binary_prefix = os.path.join(tools_dir, 'testing', 'bin')
-  if IsWindows():
-    return os.path.join(dart_binary_prefix, 'windows', 'dart.exe')
-  else:
-    arch = GuessArchitecture()
-    system = GuessOS()
-    if arch == 'armv5te':
-      # TODO(zra): This binary does not exist, yet. Check one in once we have
-      # sufficient stability.
-      return os.path.join(dart_binary_prefix, system, 'dart-armv5te')
-    elif arch == 'armv6':
-      # TODO(zra): Ditto.
-      return os.path.join(dart_binary_prefix, system, 'dart-armv6')
-    elif arch == 'arm':
-      return os.path.join(dart_binary_prefix, system, 'dart-arm')
-    elif arch == 'arm64':
-      return os.path.join(dart_binary_prefix, system, 'dart-arm64')
-    elif arch == 'mips':
-      return os.path.join(dart_binary_prefix, system, 'dart-mips')
-    else:
-      return os.path.join(dart_binary_prefix, system, 'dart')
-
-
-def DartSdkBinary():
-  tools_dir = os.path.dirname(os.path.realpath(__file__))
-  dart_binary_prefix = os.path.join(tools_dir, '..', 'sdk' , 'bin')
-  return os.path.join(dart_binary_prefix, 'dart')
-
-
 # The checked-in SDKs are documented at
 #     https://github.com/dart-lang/sdk/wiki/The-checked-in-SDK-in-tools
 def CheckedInSdkPath():
@@ -636,6 +604,13 @@ def CheckedInSdkExecutable():
       name = 'dart-arm'
     elif arch == 'arm64':
       name = 'dart-arm64'
+    elif arch == 'armv5te':
+      # TODO(zra): This binary does not exist, yet. Check one in once we have
+      # sufficient stability.
+      name = 'dart-armv5te'
+    elif arch == 'armv6':
+      # TODO(zra): Ditto.
+      name = 'dart-armv6'
   return os.path.join(CheckedInSdkPath(), 'bin', name)