diff --git a/DEPS b/DEPS
index 662bad2ac..24d1f2a27 100644
--- a/DEPS
+++ b/DEPS
@@ -31,7 +31,7 @@ vars = {
   # Dart is: https://github.com/dart-lang/sdk/blob/master/DEPS.
   # You can use //tools/dart/create_updated_flutter_deps.py to produce
   # updated revision list of existing dependencies.
-  'dart_revision': 'd2c5a24fd9ead97a7f18d02786e679293cc3709e',
+  'dart_revision': 'c6254163dc7a5f704d7609af65e4650ef0550ccd',
 
   # WARNING: DO NOT EDIT MANUALLY
   # The lines between blank lines above and below are generated by a script. See create_updated_flutter_deps.py
@@ -49,7 +49,7 @@ vars = {
   'dart_csslib_tag': '0.14.4+1',
   'dart_dart2js_info_tag': '0.5.6+4',
   'dart_dart_style_tag': '1.2.0',
-  'dart_dartdoc_tag': 'v0.21.1',
+  'dart_dartdoc_tag': 'v0.22.0',
   'dart_fixnum_tag': '0.10.8',
   'dart_glob_tag': '1.1.7',
   'dart_html_tag': '0.13.3+2',
@@ -58,9 +58,9 @@ vars = {
   'dart_http_retry_tag': '0.1.1',
   'dart_http_tag': '0.11.3+17',
   'dart_http_throttle_tag': '1.0.2',
-  'dart_intl_tag': '0.15.6',
+  'dart_intl_tag': '0.15.7',
   'dart_json_rpc_2_tag': '2.0.9',
-  'dart_linter_tag': '0.1.66',
+  'dart_linter_tag': '0.1.67',
   'dart_logging_tag': '0.11.3+2',
   'dart_markdown_tag': '2.0.2',
   'dart_matcher_tag': '0.12.3',
diff --git a/ci/licenses_golden/licenses_third_party b/ci/licenses_golden/licenses_third_party
index afde158bc..3a2fb1f48 100644
--- a/ci/licenses_golden/licenses_third_party
+++ b/ci/licenses_golden/licenses_third_party
@@ -1,4 +1,4 @@
-Signature: 557450819efed148f52ea1b142c9d410
+Signature: 9ae5e02e183079fd6505b1a3143f7d6f
 
 UNUSED LICENSES:
 
@@ -4493,7 +4493,6 @@ FILE: ../../../third_party/dart/runtime/bin/builtin.h
 FILE: ../../../third_party/dart/runtime/bin/builtin_gen_snapshot.cc
 FILE: ../../../third_party/dart/runtime/bin/builtin_in.cc
 FILE: ../../../third_party/dart/runtime/bin/builtin_natives.cc
-FILE: ../../../third_party/dart/runtime/bin/builtin_nolib.cc
 FILE: ../../../third_party/dart/runtime/bin/common_patch.dart
 FILE: ../../../third_party/dart/runtime/bin/crypto.cc
 FILE: ../../../third_party/dart/runtime/bin/crypto.h
@@ -4675,7 +4674,6 @@ FILE: ../../../third_party/dart/runtime/vm/bootstrap.cc
 FILE: ../../../third_party/dart/runtime/vm/bootstrap.h
 FILE: ../../../third_party/dart/runtime/vm/bootstrap_natives.cc
 FILE: ../../../third_party/dart/runtime/vm/bootstrap_natives.h
-FILE: ../../../third_party/dart/runtime/vm/bootstrap_nocore.cc
 FILE: ../../../third_party/dart/runtime/vm/class_finalizer.h
 FILE: ../../../third_party/dart/runtime/vm/class_finalizer_test.cc
 FILE: ../../../third_party/dart/runtime/vm/class_table.cc
diff --git a/runtime/dart_vm.cc b/runtime/dart_vm.cc
index e9300654a..cab34f642 100644
--- a/runtime/dart_vm.cc
+++ b/runtime/dart_vm.cc
@@ -355,10 +355,6 @@ DartVM::DartVM(const Settings& settings,
               arraysize(kDartWriteProtectCodeArgs));
 #endif
 
-  const bool is_preview_dart2 =
-      Dart_IsDart2Snapshot(isolate_snapshot_->GetData()->GetSnapshotPointer());
-  FML_CHECK(is_preview_dart2) << "Not Dart 2!";
-
   if (use_checked_mode) {
     PushBackAll(&args, kDartAssertArgs, arraysize(kDartAssertArgs));
   }