diff --git a/BUILD.gn b/BUILD.gn
index e09625e175e88..34b374739b0fe 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -8,7 +8,7 @@ import("//flutter/examples/examples.gni")
 import("//flutter/shell/platform/config.gni")
 import("//flutter/shell/platform/glfw/config.gni")
 import("//flutter/testing/testing.gni")
-import("//third_party/dart/build/dart/copy_tree.gni")
+import("$dart_src/build/dart/copy_tree.gni")
 
 # Whether to build the dartdevc sdk, libraries, and source files
 # required for the flutter web sdk.
@@ -104,7 +104,7 @@ group("flutter") {
         # This must be listed explicitly for desktop cross-builds since
         # //flutter/lib/snapshot:generate_snapshot_bin will only build
         # gen_snapshot for the host and not the target.
-        "//third_party/dart/runtime/bin:gen_snapshot",
+        "$dart_src/runtime/bin:gen_snapshot",
 
         # Impeller artifacts - compiler and libtessellator
         "//flutter/impeller/compiler:impellerc",
@@ -117,7 +117,7 @@ group("flutter") {
       if (host_os == "linux") {
         public_deps += [
           # Built alongside gen_snapshot for 64 bit targets
-          "//third_party/dart/runtime/bin:analyze_snapshot",
+          "$dart_src/runtime/bin:analyze_snapshot",
         ]
       }
 
@@ -300,8 +300,7 @@ if (is_fuchsia && enable_unittests) {
 # Dart tree, and is less ambiguous than specifying the binary to build since
 # we can specify the toolchain to use, too.
 if (host_os == "win") {
-  _gen_snapshot_target =
-      "//third_party/dart/runtime/bin:gen_snapshot($host_toolchain)"
+  _gen_snapshot_target = "$dart_src/runtime/bin:gen_snapshot($host_toolchain)"
   copy("gen_snapshot") {
     deps = [ _gen_snapshot_target ]
 
diff --git a/build/archives/BUILD.gn b/build/archives/BUILD.gn
index 002bbeabada90..44ed196f5ba2b 100644
--- a/build/archives/BUILD.gn
+++ b/build/archives/BUILD.gn
@@ -24,13 +24,13 @@ generated_file("artifacts_entitlement_config") {
 if (build_engine_artifacts && !is_android) {
   zip_bundle("artifacts") {
     deps = [
+      "$dart_src/runtime/bin:gen_snapshot",
       "//flutter/flutter_frontend_server:frontend_server",
       "//flutter/impeller/compiler:impellerc",
       "//flutter/impeller/tessellator:tessellator_shared",
       "//flutter/lib/snapshot:generate_snapshot_bin",
       "//flutter/shell/testing:testing",
       "//flutter/tools/path_ops:path_ops",
-      "//third_party/dart/runtime/bin:gen_snapshot",
     ]
     if (is_mac) {
       # TODO(godofredoc): Remove after paths are standardized flutter/flutter#105351.
@@ -196,7 +196,7 @@ if (build_engine_artifacts && flutter_prebuilt_dart_sdk) {
 # If there is no prebuilt sdk, create the dart sdk archive from the built sdk.
 if (build_engine_artifacts && !flutter_prebuilt_dart_sdk) {
   zip_bundle_from_file("dart_sdk_archive") {
-    deps = [ "//third_party/dart:create_sdk" ]
+    deps = [ "$dart_src:create_sdk" ]
     output = "dart-sdk-$full_target_platform_name.zip"
     files = [
       {
diff --git a/build/bin_to_obj.gni b/build/bin_to_obj.gni
index 1885db6ba2663..a192719a41b9f 100644
--- a/build/bin_to_obj.gni
+++ b/build/bin_to_obj.gni
@@ -2,6 +2,8 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import("//flutter/build/dart/dart.gni")
+
 # Generates an assembly file defining a given symbol with the bytes from a
 # binary file. Places the symbol in a text section if 'executable' is true,
 # otherwise places the symbol in a read-only data section.
@@ -13,7 +15,7 @@ template("bin_to_assembly") {
 
   action(target_name) {
     deps = invoker.deps
-    script = "//third_party/dart/runtime/tools/bin_to_assembly.py"
+    script = "$dart_src/runtime/tools/bin_to_assembly.py"
     output = "$target_gen_dir/${invoker.input}.S"
     args = [
       "--input",
@@ -57,7 +59,7 @@ template("bin_to_coff") {
 
   action(target_name) {
     deps = invoker.deps
-    script = "//third_party/dart/runtime/tools/bin_to_coff.py"
+    script = "$dart_src/runtime/tools/bin_to_coff.py"
     output = "$target_gen_dir/${invoker.input}.o"
     args = [
       "--input",
diff --git a/build/dart/BUILD.gn b/build/dart/BUILD.gn
index 5db2211fffc3d..a8692ab08b15f 100644
--- a/build/dart/BUILD.gn
+++ b/build/dart/BUILD.gn
@@ -3,8 +3,10 @@
 # found in the LICENSE file.
 
 import("//flutter/build/concurrent_jobs.gni")
+import("//flutter/build/dart/dart.gni")
 import("//flutter/common/config.gni")
-import("//third_party/dart/build/dart/copy_tree.gni")
+
+import("$dart_src/build/dart/copy_tree.gni")
 
 declare_args() {
   # Maximum number of Dart processes to run in parallel.
@@ -35,7 +37,7 @@ if (build_engine_artifacts) {
     }
   } else {
     group("dart_sdk") {
-      public_deps = [ "//third_party/dart:create_sdk" ]
+      public_deps = [ "$dart_src:create_sdk" ]
     }
   }
 }
diff --git a/build/dart/dart.gni b/build/dart/dart.gni
new file mode 100644
index 0000000000000..4982d5889d5b5
--- /dev/null
+++ b/build/dart/dart.gni
@@ -0,0 +1,7 @@
+# Copyright 2013 The Flutter Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+declare_args() {
+  dart_src = "//third_party/dart"
+}
diff --git a/build/dart/rules.gni b/build/dart/rules.gni
index 55c1220df506f..f265793f7e2ce 100644
--- a/build/dart/rules.gni
+++ b/build/dart/rules.gni
@@ -6,9 +6,11 @@
 
 import("//build/compiled_action.gni")
 import("//build/module_args/dart.gni")
+import("//flutter/build/dart/dart.gni")
 import("//flutter/common/config.gni")
-import("//third_party/dart/build/dart/dart_action.gni")
-import("//third_party/dart/sdk_args.gni")
+
+import("$dart_src/build/dart/dart_action.gni")
+import("$dart_src/sdk_args.gni")
 
 # Generates a Dart kernel snapshot using flutter_frontend_server.
 #
@@ -108,7 +110,7 @@ template("flutter_frontend_server") {
                              [ "pool" ])
       deps = common_deps
       pool = "//flutter/build/dart:dart_pool"
-      script = "//third_party/dart/pkg/frontend_server/bin/frontend_server_starter.dart"
+      script = "$dart_src/pkg/frontend_server/bin/frontend_server_starter.dart"
       inputs = [ invoker.main_dart ]
       outputs = [ invoker.kernel_output ]
       depfile = snapshot_depfile
@@ -179,10 +181,10 @@ template("flutter_snapshot") {
       # By default Dart will create a 32-bit gen_snapshot host binary if the target
       # platform is 32-bit.  Override this to create a 64-bit gen_snapshot for x86
       # targets because some host platforms may not support 32-bit binaries.
-      tool = "//third_party/dart/runtime/bin:gen_snapshot_host_targeting_host"
+      tool = "$dart_src/runtime/bin:gen_snapshot_host_targeting_host"
       toolchain = "//build/toolchain/$host_os:clang_x64"
     } else {
-      tool = "//third_party/dart/runtime/bin:gen_snapshot"
+      tool = "$dart_src/runtime/bin:gen_snapshot"
     }
 
     inputs = [ kernel_output ]
diff --git a/build/secondary/third_party/dart/third_party/pkg/matcher/BUILD.gn b/build/secondary/third_party/dart/third_party/pkg/matcher/BUILD.gn
index 9bd84e15f70d5..5ed834571018f 100644
--- a/build/secondary/third_party/dart/third_party/pkg/matcher/BUILD.gn
+++ b/build/secondary/third_party/dart/third_party/pkg/matcher/BUILD.gn
@@ -16,7 +16,7 @@ dart_library("matcher") {
 
   language_version = "2.12"
 
-  deps = [ "//third_party/dart/third_party/pkg/stack_trace" ]
+  deps = [ "$dart_src/third_party/pkg/stack_trace" ]
 
   sources = [
     "expect.dart",
diff --git a/build/secondary/third_party/dart/third_party/pkg/stack_trace/BUILD.gn b/build/secondary/third_party/dart/third_party/pkg/stack_trace/BUILD.gn
index 10dd2983dd05a..52d8dd999cf83 100644
--- a/build/secondary/third_party/dart/third_party/pkg/stack_trace/BUILD.gn
+++ b/build/secondary/third_party/dart/third_party/pkg/stack_trace/BUILD.gn
@@ -16,7 +16,7 @@ dart_library("stack_trace") {
 
   language_version = "2.12"
 
-  deps = [ "//third_party/dart/third_party/pkg/path" ]
+  deps = [ "$dart_src/third_party/pkg/path" ]
 
   sources = [
     "src/chain.dart",
diff --git a/build/secondary/third_party/pkg/quiver/BUILD.gn b/build/secondary/third_party/pkg/quiver/BUILD.gn
index 8917550b30844..c6af91294c095 100644
--- a/build/secondary/third_party/pkg/quiver/BUILD.gn
+++ b/build/secondary/third_party/pkg/quiver/BUILD.gn
@@ -18,8 +18,8 @@ dart_library("quiver") {
   language_version = "2.0"
 
   deps = [
-    "//third_party/dart/pkg/meta",
-    "//third_party/dart/third_party/pkg/matcher",
+    "$dart_src/pkg/meta",
+    "$dart_src/third_party/pkg/matcher",
   ]
 
   sources = [
diff --git a/display_list/BUILD.gn b/display_list/BUILD.gn
index 2e93c2002b0f5..1d5657b404133 100644
--- a/display_list/BUILD.gn
+++ b/display_list/BUILD.gn
@@ -214,6 +214,7 @@ source_set("display_list_benchmarks_source") {
   deps = [
     ":display_list",
     ":display_list_fixtures",
+    "$dart_src/runtime:libdart_jit",  # for tracing
     "//flutter/benchmarking",
     "//flutter/common/graphics",
     "//flutter/display_list/testing:display_list_surface_provider",
@@ -222,7 +223,6 @@ source_set("display_list_benchmarks_source") {
     "//flutter/skia",
     "//flutter/testing:skia",
     "//flutter/testing:testing_lib",
-    "//third_party/dart/runtime:libdart_jit",  # for tracing
   ]
 }
 
diff --git a/flow/BUILD.gn b/flow/BUILD.gn
index c8a59f4a3c00e..d648e01f392ce 100644
--- a/flow/BUILD.gn
+++ b/flow/BUILD.gn
@@ -187,6 +187,7 @@ if (enable_unittests) {
       ":flow",
       ":flow_fixtures",
       ":flow_testing",
+      "$dart_src/runtime:libdart_jit",  # for tracing
       "//flutter/common/graphics",
       "//flutter/display_list/testing:display_list_testing",
       "//flutter/fml",
@@ -194,7 +195,6 @@ if (enable_unittests) {
       "//flutter/skia",
       "//flutter/testing:skia",
       "//flutter/testing:testing_lib",
-      "//third_party/dart/runtime:libdart_jit",  # for tracing
       "//third_party/googletest:gtest",
     ]
 
diff --git a/flutter_frontend_server/BUILD.gn b/flutter_frontend_server/BUILD.gn
index 29a50e31b4cda..d79ce9ff99a48 100644
--- a/flutter_frontend_server/BUILD.gn
+++ b/flutter_frontend_server/BUILD.gn
@@ -9,7 +9,7 @@ copy("frontend_server") {
     snapshot =
         "$host_prebuilt_dart_sdk/bin/snapshots/frontend_server.dart.snapshot"
   } else {
-    deps = [ "//third_party/dart/utils/kernel-service:frontend_server" ]
+    deps = [ "$dart_src/utils/kernel-service:frontend_server" ]
     snapshot = "$root_out_dir/frontend_server.dart.snapshot"
   }
 
diff --git a/fml/BUILD.gn b/fml/BUILD.gn
index 088c391bdfdbc..8d70fc1aa4b9b 100644
--- a/fml/BUILD.gn
+++ b/fml/BUILD.gn
@@ -113,7 +113,7 @@ source_set("fml") {
   ]
 
   deps = [
-    "//third_party/dart/runtime:dart_api",
+    "$dart_src/runtime:dart_api",
 
     # These need to be in sync with the Fuchsia buildroot.
     "//third_party/icu",
diff --git a/lib/io/BUILD.gn b/lib/io/BUILD.gn
index 529872c30d23c..8eaff8ff5c2ea 100644
--- a/lib/io/BUILD.gn
+++ b/lib/io/BUILD.gn
@@ -2,6 +2,8 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import("//flutter/build/dart/dart.gni")
+
 source_set("io") {
   sources = [
     "dart_io.cc",
@@ -9,13 +11,13 @@ source_set("io") {
   ]
 
   deps = [
+    "$dart_src/runtime:dart_api",
+    "$dart_src/runtime/bin:dart_io_api",
     "//flutter/fml",
     "//flutter/third_party/tonic",
-    "//third_party/dart/runtime:dart_api",
-    "//third_party/dart/runtime/bin:dart_io_api",
   ]
 
-  configs += [ "//third_party/dart/runtime:dart_config" ]
+  configs += [ "$dart_src/runtime:dart_config" ]
 
   public_configs = [ "//flutter:config" ]
 }
diff --git a/lib/snapshot/BUILD.gn b/lib/snapshot/BUILD.gn
index d7c6eab5c979a..9b8f9ac3ce22a 100644
--- a/lib/snapshot/BUILD.gn
+++ b/lib/snapshot/BUILD.gn
@@ -8,7 +8,7 @@ import("//flutter/build/bin_to_obj.gni")
 import("//flutter/common/config.gni")
 import("//flutter/impeller/tools/impeller.gni")
 import("//flutter/lib/ui/dart_ui.gni")
-import("//third_party/dart/utils/compile_platform.gni")
+import("$dart_src/utils/compile_platform.gni")
 
 # Generates the Dart/Flutter core platform files and tools.
 #
@@ -39,8 +39,7 @@ group("generate_snapshot_bins") {
 
   # Build analyze_snapshot for 64-bit target CPUs.
   if (host_os == "linux" && (target_cpu == "x64" || target_cpu == "arm64")) {
-    deps +=
-        [ "//third_party/dart/runtime/bin:analyze_snapshot($host_toolchain)" ]
+    deps += [ "$dart_src/runtime/bin:analyze_snapshot($host_toolchain)" ]
   }
 }
 
@@ -65,10 +64,10 @@ compiled_action("generate_snapshot_bin") {
     # By default Dart will create a 32-bit gen_snapshot host binary if the target
     # platform is 32-bit.  Override this to create a 64-bit gen_snapshot for x86
     # targets because some host platforms may not support 32-bit binaries.
-    tool = "//third_party/dart/runtime/bin:gen_snapshot_host_targeting_host"
+    tool = "$dart_src/runtime/bin:gen_snapshot_host_targeting_host"
     toolchain = "//build/toolchain/$host_os:clang_x64"
   } else {
-    tool = "//third_party/dart/runtime/bin:gen_snapshot"
+    tool = "$dart_src/runtime/bin:gen_snapshot"
   }
 
   platform_kernel = "$root_out_dir/flutter_patched_sdk/platform_strong.dill"
@@ -159,9 +158,9 @@ if (host_os == "mac" && target_os != "mac" &&
   copy("create_arm_gen_snapshot") {
     # The toolchain-specific output directory. For cross-compiles, this is a
     # clang-x64 or clang-arm64 subdirectory of the top-level build directory.
-    host_output_dir = get_label_info(
-            "//third_party/dart/runtime/bin:gen_snapshot($host_toolchain)",
-            "root_out_dir")
+    host_output_dir =
+        get_label_info("$dart_src/runtime/bin:gen_snapshot($host_toolchain)",
+                       "root_out_dir")
 
     # Determine suffixed output gen_snapshot name.
     target_cpu_suffix = target_cpu
@@ -171,7 +170,7 @@ if (host_os == "mac" && target_os != "mac" &&
 
     sources = [ "${host_output_dir}/gen_snapshot" ]
     outputs = [ "${host_output_dir}/gen_snapshot_${target_cpu_suffix}" ]
-    deps = [ "//third_party/dart/runtime/bin:gen_snapshot($host_toolchain)" ]
+    deps = [ "$dart_src/runtime/bin:gen_snapshot($host_toolchain)" ]
     visibility = [ ":*" ]
   }
 }
@@ -187,13 +186,13 @@ if (host_os == "mac" && target_os == "mac") {
   copy("create_macos_gen_snapshots") {
     # The toolchain-specific output directory. For cross-compiles, this is a
     # clang-x64 or clang-arm64 subdirectory of the top-level build directory.
-    host_output_dir = get_label_info(
-            "//third_party/dart/runtime/bin:gen_snapshot($host_toolchain)",
-            "root_out_dir")
+    host_output_dir =
+        get_label_info("$dart_src/runtime/bin:gen_snapshot($host_toolchain)",
+                       "root_out_dir")
 
     sources = [ "${host_output_dir}/gen_snapshot" ]
     outputs = [ "${root_out_dir}/gen_snapshot_${target_cpu}" ]
-    deps = [ "//third_party/dart/runtime/bin:gen_snapshot($host_toolchain)" ]
+    deps = [ "$dart_src/runtime/bin:gen_snapshot($host_toolchain)" ]
   }
 }
 
diff --git a/lib/ui/BUILD.gn b/lib/ui/BUILD.gn
index 2f4dfccb2b3ab..3af81da7c145e 100644
--- a/lib/ui/BUILD.gn
+++ b/lib/ui/BUILD.gn
@@ -167,6 +167,7 @@ source_set("ui") {
   ]
 
   deps = [
+    "$dart_src/runtime/bin:dart_io_api",
     "//flutter/assets",
     "//flutter/common",
     "//flutter/common/graphics",
@@ -178,7 +179,6 @@ source_set("ui") {
     "//flutter/skia",
     "//flutter/third_party/rapidjson",
     "//flutter/third_party/tonic",
-    "//third_party/dart/runtime/bin:dart_io_api",
     "//third_party/zlib:zlib",
   ]
 
@@ -282,6 +282,7 @@ if (enable_unittests) {
     deps = [
       ":ui",
       ":ui_unittests_fixtures",
+      "$dart_src/runtime/bin:elf_loader",
       "//flutter/common",
       "//flutter/impeller",
       "//flutter/lib/snapshot",
@@ -290,7 +291,6 @@ if (enable_unittests) {
       "//flutter/testing:dart",
       "//flutter/testing:fixture_test",
       "//flutter/third_party/tonic",
-      "//third_party/dart/runtime/bin:elf_loader",
     ]
 
     # TODO(https://github.com/flutter/flutter/issues/63837): This test is hard-coded to use a TestGLSurface so it cannot run on fuchsia.
diff --git a/runtime/BUILD.gn b/runtime/BUILD.gn
index 160b3f6bc536f..d7eb9ecb95954 100644
--- a/runtime/BUILD.gn
+++ b/runtime/BUILD.gn
@@ -29,11 +29,11 @@ group("libdart") {
   public_deps = []
 
   if (flutter_runtime_mode == "profile" || flutter_runtime_mode == "release") {
-    public_deps += [ "//third_party/dart/runtime:libdart_precompiled_runtime" ]
+    public_deps += [ "$dart_src/runtime:libdart_precompiled_runtime" ]
   } else {
     public_deps += [
+      "$dart_src/runtime:libdart_jit",
       "//flutter/lib/snapshot",
-      "//third_party/dart/runtime:libdart_jit",
     ]
   }
 }
@@ -44,9 +44,9 @@ source_set("dart_plugin_registrant") {
     "dart_plugin_registrant.h",
   ]
   deps = [
+    "$dart_src/runtime:dart_api",
     "//flutter/fml",
     "//flutter/third_party/tonic",
-    "//third_party/dart/runtime:dart_api",
   ]
 }
 
@@ -103,6 +103,8 @@ source_set("runtime") {
   deps = [
     ":dart_plugin_registrant",
     ":test_font",
+    "$dart_src/runtime:dart_api",
+    "$dart_src/runtime/bin:dart_io_api",
     "//flutter/assets",
     "//flutter/common",
     "//flutter/flow",
@@ -112,16 +114,12 @@ source_set("runtime") {
     "//flutter/skia",
     "//flutter/third_party/tonic",
     "//flutter/third_party/txt",
-    "//third_party/dart/runtime:dart_api",
-    "//third_party/dart/runtime/bin:dart_io_api",
   ]
 
   if (flutter_runtime_mode != "release" && !is_fuchsia) {
     # Only link in Observatory in non-release modes on non-Fuchsia. Fuchsia
     # instead puts Observatory into the runner's package.
-    deps += [
-      "//third_party/dart/runtime/observatory:embedded_observatory_archive",
-    ]
+    deps += [ "$dart_src/runtime/observatory:embedded_observatory_archive" ]
   }
 }
 
@@ -147,6 +145,7 @@ if (enable_unittests) {
       ":libdart",
       ":runtime",
       ":runtime_fixtures",
+      "$dart_src/runtime/bin:elf_loader",
       "//flutter/common",
       "//flutter/fml",
       "//flutter/lib/snapshot",
@@ -155,7 +154,6 @@ if (enable_unittests) {
       "//flutter/testing:dart",
       "//flutter/testing:fixture_test",
       "//flutter/third_party/tonic",
-      "//third_party/dart/runtime/bin:elf_loader",
     ]
   }
 
diff --git a/shell/common/BUILD.gn b/shell/common/BUILD.gn
index 310b49fa899df..8c60b7e3954cc 100644
--- a/shell/common/BUILD.gn
+++ b/shell/common/BUILD.gn
@@ -20,7 +20,7 @@ import("//flutter/testing/testing.gni")
 #   List datadeps
 template("dart_embedder_resources") {
   action(target_name) {
-    script = "//third_party/dart/runtime/tools/create_resources.py"
+    script = "$dart_src/runtime/tools/create_resources.py"
     deps = []
     if (defined(invoker.deps)) {
       deps += invoker.deps
@@ -136,6 +136,7 @@ source_set("common") {
   ]
 
   deps = [
+    "$dart_src/runtime:dart_api",
     "//flutter/assets",
     "//flutter/common",
     "//flutter/common/graphics",
@@ -146,7 +147,6 @@ source_set("common") {
     "//flutter/shell/common:base64",
     "//flutter/shell/profiling",
     "//flutter/skia",
-    "//third_party/dart/runtime:dart_api",
   ]
 
   if (impeller_supports_rendering) {
diff --git a/shell/platform/android/BUILD.gn b/shell/platform/android/BUILD.gn
index a6c4cb6078bc0..fc02bc223c1e3 100644
--- a/shell/platform/android/BUILD.gn
+++ b/shell/platform/android/BUILD.gn
@@ -639,9 +639,9 @@ generated_file("android_entitlement_config") {
 if (target_cpu != "x86") {
   zip_bundle("gen_snapshot") {
     gen_snapshot_bin = "gen_snapshot"
-    gen_snapshot_out_dir = get_label_info(
-            "//third_party/dart/runtime/bin:gen_snapshot($host_toolchain)",
-            "root_out_dir")
+    gen_snapshot_out_dir =
+        get_label_info("$dart_src/runtime/bin:gen_snapshot($host_toolchain)",
+                       "root_out_dir")
     gen_snapshot_path = rebase_path("$gen_snapshot_out_dir/$gen_snapshot_bin")
 
     if (host_os == "linux") {
@@ -661,7 +661,7 @@ if (target_cpu != "x86") {
       },
     ]
 
-    deps = [ "//third_party/dart/runtime/bin:gen_snapshot($host_toolchain)" ]
+    deps = [ "$dart_src/runtime/bin:gen_snapshot($host_toolchain)" ]
 
     if (host_os == "mac") {
       deps += [ ":android_entitlement_config" ]
@@ -678,9 +678,9 @@ if (target_cpu != "x86") {
   # BUG: https://github.com/flutter/flutter/issues/105351
   zip_bundle("new_gen_snapshot") {
     gen_snapshot_bin = "gen_snapshot"
-    gen_snapshot_out_dir = get_label_info(
-            "//third_party/dart/runtime/bin:gen_snapshot($host_toolchain)",
-            "root_out_dir")
+    gen_snapshot_out_dir =
+        get_label_info("$dart_src/runtime/bin:gen_snapshot($host_toolchain)",
+                       "root_out_dir")
     gen_snapshot_path = rebase_path("$gen_snapshot_out_dir/$gen_snapshot_bin")
 
     if (host_os == "linux") {
@@ -700,7 +700,7 @@ if (target_cpu != "x86") {
       },
     ]
 
-    deps = [ "//third_party/dart/runtime/bin:gen_snapshot($host_toolchain)" ]
+    deps = [ "$dart_src/runtime/bin:gen_snapshot($host_toolchain)" ]
 
     if (host_os == "mac") {
       deps += [ ":android_entitlement_config" ]
@@ -716,13 +716,12 @@ if (target_cpu != "x86") {
 
 if (host_os == "linux" && (target_cpu == "x64" || target_cpu == "arm64")) {
   zip_bundle("analyze_snapshot") {
-    deps =
-        [ "//third_party/dart/runtime/bin:analyze_snapshot($host_toolchain)" ]
+    deps = [ "$dart_src/runtime/bin:analyze_snapshot($host_toolchain)" ]
 
     analyze_snapshot_bin = "analyze_snapshot"
     analyze_snapshot_out_dir =
         get_label_info(
-            "//third_party/dart/runtime/bin:analyze_snapshot($host_toolchain)",
+            "$dart_src/runtime/bin:analyze_snapshot($host_toolchain)",
             "root_out_dir")
     analyze_snapshot_path =
         rebase_path("$analyze_snapshot_out_dir/$analyze_snapshot_bin")
@@ -748,13 +747,12 @@ if (host_os == "linux" && (target_cpu == "x64" || target_cpu == "arm64")) {
   # TODO(godofredoc): Remove analyze_snapshot and rename new_analyze_snapshot when v2 migration is complete.
   # BUG: https://github.com/flutter/flutter/issues/105351
   zip_bundle("new_analyze_snapshot") {
-    deps =
-        [ "//third_party/dart/runtime/bin:analyze_snapshot($host_toolchain)" ]
+    deps = [ "$dart_src/runtime/bin:analyze_snapshot($host_toolchain)" ]
 
     analyze_snapshot_bin = "analyze_snapshot"
     analyze_snapshot_out_dir =
         get_label_info(
-            "//third_party/dart/runtime/bin:analyze_snapshot($host_toolchain)",
+            "$dart_src/runtime/bin:analyze_snapshot($host_toolchain)",
             "root_out_dir")
     analyze_snapshot_path =
         rebase_path("$analyze_snapshot_out_dir/$analyze_snapshot_bin")
diff --git a/shell/platform/common/BUILD.gn b/shell/platform/common/BUILD.gn
index f03a032730b57..5ebfb2236d2c5 100644
--- a/shell/platform/common/BUILD.gn
+++ b/shell/platform/common/BUILD.gn
@@ -162,8 +162,8 @@ if (enable_unittests) {
     deps = [
       ":common_cpp_core",
       ":common_cpp_core_fixtures",
+      "$dart_src/runtime:libdart_jit",
       "//flutter/testing",
-      "//third_party/dart/runtime:libdart_jit",
     ]
 
     public_configs = [ "//flutter:config" ]
diff --git a/shell/platform/common/client_wrapper/BUILD.gn b/shell/platform/common/client_wrapper/BUILD.gn
index 660f44403ef8d..91e7120b65734 100644
--- a/shell/platform/common/client_wrapper/BUILD.gn
+++ b/shell/platform/common/client_wrapper/BUILD.gn
@@ -62,7 +62,7 @@ executable("client_wrapper_unittests") {
     # TODO(chunhtai): Consider refactoring flutter_root/testing so that there's a testing
     # target that doesn't require a Dart runtime to be linked in.
     # https://github.com/flutter/flutter/issues/41414.
-    "//third_party/dart/runtime:libdart_jit",
+    "$dart_src/runtime:libdart_jit",
   ]
 
   defines = [ "FLUTTER_DESKTOP_LIBRARY" ]
diff --git a/shell/platform/darwin/common/BUILD.gn b/shell/platform/darwin/common/BUILD.gn
index 26ea3bd263b25..f86af9017146c 100644
--- a/shell/platform/darwin/common/BUILD.gn
+++ b/shell/platform/darwin/common/BUILD.gn
@@ -128,9 +128,9 @@ executable("framework_common_unittests") {
   deps = [
     ":framework_common",
     ":framework_common_fixtures",
+    "$dart_src/runtime:libdart_jit",
     "//flutter/testing",
     "//flutter/third_party/ocmock:ocmock",
-    "//third_party/dart/runtime:libdart_jit",
   ]
 
   public_configs = [ "//flutter:config" ]
diff --git a/shell/platform/embedder/BUILD.gn b/shell/platform/embedder/BUILD.gn
index e0297c799acd5..adc2ad6c69945 100644
--- a/shell/platform/embedder/BUILD.gn
+++ b/shell/platform/embedder/BUILD.gn
@@ -100,6 +100,8 @@ template("embedder_source_set") {
     public_deps = [ ":embedder_headers" ]
     deps = [
       ":embedder_gpu_configuration",
+      "$dart_src/runtime/bin:dart_io_api",
+      "$dart_src/runtime/bin:elf_loader",
       "//flutter/assets",
       "//flutter/common",
       "//flutter/common/graphics",
@@ -110,8 +112,6 @@ template("embedder_source_set") {
       "//flutter/shell/common",
       "//flutter/skia",
       "//flutter/third_party/tonic",
-      "//third_party/dart/runtime/bin:dart_io_api",
-      "//third_party/dart/runtime/bin:elf_loader",
     ]
 
     if (embedder_enable_gl) {
@@ -291,6 +291,7 @@ if (enable_unittests) {
       ":embedder",
       ":embedder_gpu_configuration",
       ":fixtures",
+      "$dart_src/runtime/bin:elf_loader",
       "//flutter/flow",
       "//flutter/lib/snapshot",
       "//flutter/lib/ui",
@@ -300,7 +301,6 @@ if (enable_unittests) {
       "//flutter/testing:dart",
       "//flutter/testing:skia",
       "//flutter/third_party/tonic",
-      "//third_party/dart/runtime/bin:elf_loader",
     ]
 
     if (test_enable_gl) {
@@ -416,7 +416,7 @@ if (enable_unittests) {
       #"//flutter/testing:dart",
       #"//flutter/testing:skia",
       #"//flutter/third_party/tonic",
-      #"//third_party/dart/runtime/bin:elf_loader",
+      #"$dart_src/runtime/bin:elf_loader",
       #"//flutter/skia",
     ]
   }
diff --git a/shell/platform/fuchsia/dart-pkg/zircon_ffi/BUILD.gn b/shell/platform/fuchsia/dart-pkg/zircon_ffi/BUILD.gn
index bbce4e82de8e2..5c5e179182a7d 100644
--- a/shell/platform/fuchsia/dart-pkg/zircon_ffi/BUILD.gn
+++ b/shell/platform/fuchsia/dart-pkg/zircon_ffi/BUILD.gn
@@ -26,8 +26,8 @@ shared_library("zircon_ffi") {
   ]
 
   deps = [
+    "$dart_src/runtime:dart_api",
     "$fuchsia_sdk_root/pkg:zx",
     "//flutter/fml",
-    "//third_party/dart/runtime:dart_api",
   ]
 }
diff --git a/shell/platform/fuchsia/dart/BUILD.gn b/shell/platform/fuchsia/dart/BUILD.gn
index 826aefacd4a14..566232209e5f8 100644
--- a/shell/platform/fuchsia/dart/BUILD.gn
+++ b/shell/platform/fuchsia/dart/BUILD.gn
@@ -10,29 +10,26 @@ application_snapshot("kernel_compiler") {
 
   deps = [ "../flutter/kernel:kernel_platform_files($host_toolchain)" ]
 
-  package_config =
-      rebase_path("//third_party/dart/.dart_tool/package_config.json")
+  package_config = rebase_path("$dart_src/.dart_tool/package_config.json")
 
   training_args = [
     "--train",
     rebase_path(main_dart),
   ]
 
-  kernel_compiler_files =
-      exec_script("//third_party/dart/tools/list_dart_files.py",
-                  [
-                    "absolute",
-                    rebase_path("."),
-                  ],
-                  "list lines")
-
-  kernel_compiler_files +=
-      exec_script("//third_party/dart/tools/list_dart_files.py",
-                  [
-                    "absolute",
-                    rebase_path("//third_party/dart/pkg"),
-                  ],
-                  "list lines")
+  kernel_compiler_files = exec_script("$dart_src/tools/list_dart_files.py",
+                                      [
+                                        "absolute",
+                                        rebase_path("."),
+                                      ],
+                                      "list lines")
+
+  kernel_compiler_files += exec_script("$dart_src/tools/list_dart_files.py",
+                                       [
+                                         "absolute",
+                                         rebase_path("$dart_src/pkg"),
+                                       ],
+                                       "list lines")
 
   inputs = kernel_compiler_files
 }
@@ -40,18 +37,16 @@ application_snapshot("kernel_compiler") {
 application_snapshot("_list_libraries_kernel") {
   visibility = [ ":*" ]
   snapshot_kind = "kernel"
-  main_dart = "//third_party/dart/pkg/vm/bin/list_libraries.dart"
-  package_config =
-      rebase_path("//third_party/dart/.dart_tool/package_config.json")
+  main_dart = "$dart_src/pkg/vm/bin/list_libraries.dart"
+  package_config = rebase_path("$dart_src/.dart_tool/package_config.json")
   training_args = []
   output = "$target_gen_dir/list_libraries.dart.dill"
 }
 
 application_snapshot("list_libraries") {
   deps = [ ":_list_libraries_kernel" ]
-  main_dart = "//third_party/dart/pkg/vm/bin/list_libraries.dart"
-  package_config =
-      rebase_path("//third_party/dart/.dart_tool/package_config.json")
+  main_dart = "$dart_src/pkg/vm/bin/list_libraries.dart"
+  package_config = rebase_path("$dart_src/.dart_tool/package_config.json")
   training_args = [
     # train against the dill file which is generated for this snapshot.
     rebase_path("$target_gen_dir/list_libraries.dart.dill"),
@@ -59,7 +54,7 @@ application_snapshot("list_libraries") {
 }
 
 dart_library("async_helper") {
-  package_root = "//third_party/dart/pkg/async_helper"
+  package_root = "$dart_src/pkg/async_helper"
   package_name = "async_helper"
 
   pubspec = "$package_root/pubspec.yaml"
@@ -73,7 +68,7 @@ dart_library("async_helper") {
 }
 
 dart_library("meta") {
-  package_root = "//third_party/dart/pkg/meta"
+  package_root = "$dart_src/pkg/meta"
   package_name = "meta"
 
   pubspec = "$package_root/pubspec.yaml"
@@ -88,7 +83,7 @@ dart_library("meta") {
 }
 
 dart_library("expect") {
-  package_root = "//third_party/dart/pkg/expect"
+  package_root = "$dart_src/pkg/expect"
   package_name = "expect"
 
   pubspec = "$package_root/pubspec.yaml"
@@ -126,7 +121,7 @@ dart_library("litetest") {
 }
 
 dart_library("args") {
-  package_root = "//third_party/dart/third_party/pkg/args"
+  package_root = "$dart_src/third_party/pkg/args"
   package_name = "args"
 
   pubspec = "$package_root/pubspec.yaml"
@@ -150,7 +145,7 @@ dart_library("args") {
 }
 
 dart_library("collection") {
-  package_root = "//third_party/dart/third_party/pkg/collection"
+  package_root = "$dart_src/third_party/pkg/collection"
   package_name = "collection"
 
   pubspec = "$package_root/pubspec.yaml"
@@ -190,7 +185,7 @@ dart_library("collection") {
 }
 
 dart_library("logging") {
-  package_root = "//third_party/dart/third_party/pkg/logging"
+  package_root = "$dart_src/third_party/pkg/logging"
   package_name = "logging"
 
   pubspec = "$package_root/pubspec.yaml"
@@ -206,7 +201,7 @@ dart_library("logging") {
 }
 
 dart_library("path") {
-  package_root = "//third_party/dart/third_party/pkg/path"
+  package_root = "$dart_src/third_party/pkg/path"
   package_name = "path"
 
   pubspec = "$package_root/pubspec.yaml"
@@ -231,7 +226,7 @@ dart_library("path") {
 }
 
 dart_library("stack_trace") {
-  package_root = "//third_party/dart/third_party/pkg/stack_trace"
+  package_root = "$dart_src/third_party/pkg/stack_trace"
   package_name = "stack_trace"
 
   pubspec = "$package_root/pubspec.yaml"
@@ -253,7 +248,7 @@ dart_library("stack_trace") {
 }
 
 dart_library("matcher") {
-  package_root = "//third_party/dart/third_party/pkg/matcher"
+  package_root = "$dart_src/third_party/pkg/matcher"
   package_name = "matcher"
 
   pubspec = "$package_root/pubspec.yaml"
diff --git a/shell/platform/fuchsia/dart_runner/BUILD.gn b/shell/platform/fuchsia/dart_runner/BUILD.gn
index 3e8d5a056fd33..2bc29582296eb 100644
--- a/shell/platform/fuchsia/dart_runner/BUILD.gn
+++ b/shell/platform/fuchsia/dart_runner/BUILD.gn
@@ -32,13 +32,13 @@ template("runner_sources") {
     dart_public_deps = []
     if (!invoker.product) {
       dart_public_deps += [
+        "$dart_src/runtime/bin:dart_io_api",
         "//flutter/shell/platform/fuchsia/runtime/dart/utils:utils",
-        "//third_party/dart/runtime/bin:dart_io_api",
       ]
     } else {
       dart_public_deps += [
+        "$dart_src/runtime/bin:dart_io_api_product",
         "//flutter/shell/platform/fuchsia/runtime/dart/utils:utils_product",
-        "//third_party/dart/runtime/bin:dart_io_api_product",
       ]
     }
 
@@ -114,8 +114,8 @@ runner("dart_jit_runner_bin") {
     extra_defines += [ "FLUTTER_PROFILE" ]
   }
   extra_deps = [
-    "//third_party/dart/runtime:libdart_jit",
-    "//third_party/dart/runtime/platform:libdart_platform_jit",
+    "$dart_src/runtime:libdart_jit",
+    "$dart_src/runtime/platform:libdart_platform_jit",
   ]
 }
 
@@ -124,8 +124,8 @@ runner("dart_jit_product_runner_bin") {
   product = true
   extra_defines = [ "DART_PRODUCT" ]
   extra_deps = [
-    "//third_party/dart/runtime:libdart_jit",
-    "//third_party/dart/runtime/platform:libdart_platform_jit",
+    "$dart_src/runtime:libdart_jit",
+    "$dart_src/runtime/platform:libdart_platform_jit",
   ]
 }
 
@@ -137,9 +137,9 @@ runner("dart_aot_runner_bin") {
     extra_defines += [ "FLUTTER_PROFILE" ]
   }
   extra_deps = [
+    "$dart_src/runtime:libdart_precompiled_runtime",
+    "$dart_src/runtime/platform:libdart_platform_precompiled_runtime",
     "embedder:dart_aot_snapshot_cc",
-    "//third_party/dart/runtime:libdart_precompiled_runtime",
-    "//third_party/dart/runtime/platform:libdart_platform_precompiled_runtime",
   ]
 }
 
@@ -151,9 +151,9 @@ runner("dart_aot_product_runner_bin") {
     "DART_PRODUCT",
   ]
   extra_deps = [
+    "$dart_src/runtime:libdart_precompiled_runtime",
+    "$dart_src/runtime/platform:libdart_platform_precompiled_runtime",
     "embedder:dart_aot_product_snapshot_cc",
-    "//third_party/dart/runtime:libdart_precompiled_runtime",
-    "//third_party/dart/runtime/platform:libdart_platform_precompiled_runtime",
   ]
 }
 
@@ -171,7 +171,7 @@ template("aot_runner_package") {
         "//flutter/shell/platform/fuchsia/runtime/dart/profiler_symbols:dart_aot_runner",
 
         # TODO(kaushikiska): Figure out how to get the profiler symbols for `libdart_precompiled_runtime`
-        # "//third_party/dart/runtime:libdart_precompiled_runtime",
+        # "$dart_src/runtime:libdart_precompiled_runtime",
         observatory_target,
       ]
     }
@@ -320,9 +320,9 @@ if (enable_unittests) {
 
     deps = [
       ":jit_runner_sources_for_test",
+      "$dart_src/runtime:libdart_jit",
+      "$dart_src/runtime/platform:libdart_platform_jit",
       "//flutter/fml",
-      "//third_party/dart/runtime:libdart_jit",
-      "//third_party/dart/runtime/platform:libdart_platform_jit",
       "//third_party/googletest:gtest_main",
     ]
   }
diff --git a/shell/platform/fuchsia/dart_runner/embedder/BUILD.gn b/shell/platform/fuchsia/dart_runner/embedder/BUILD.gn
index 562191cbcf6b0..eb7e0562fbd16 100644
--- a/shell/platform/fuchsia/dart_runner/embedder/BUILD.gn
+++ b/shell/platform/fuchsia/dart_runner/embedder/BUILD.gn
@@ -5,7 +5,7 @@
 import("//build/compiled_action.gni")
 import("//flutter/common/fuchsia_config.gni")
 import("//flutter/tools/fuchsia/dart_kernel.gni")
-import("//third_party/dart/build/dart/dart_action.gni")
+import("$dart_src/build/dart/dart_action.gni")
 
 dart_kernel("shim_kernel") {
   main_dart = "shim.dart"
diff --git a/shell/platform/fuchsia/dart_runner/kernel/BUILD.gn b/shell/platform/fuchsia/dart_runner/kernel/BUILD.gn
index c990742404703..5dcbc1e9dfacc 100644
--- a/shell/platform/fuchsia/dart_runner/kernel/BUILD.gn
+++ b/shell/platform/fuchsia/dart_runner/kernel/BUILD.gn
@@ -6,7 +6,7 @@ import("//build/compiled_action.gni")
 import("//build/fuchsia/sdk.gni")
 import("//flutter/common/config.gni")
 import("//flutter/tools/fuchsia/dart.gni")
-import("//third_party/dart/utils/compile_platform.gni")
+import("$dart_src/utils/compile_platform.gni")
 
 compile_platform("kernel_platform_files") {
   single_root_scheme = "org-dartlang-sdk"
diff --git a/shell/platform/fuchsia/dart_runner/vmservice/BUILD.gn b/shell/platform/fuchsia/dart_runner/vmservice/BUILD.gn
index c299edb5f3f78..12810557c3c8b 100644
--- a/shell/platform/fuchsia/dart_runner/vmservice/BUILD.gn
+++ b/shell/platform/fuchsia/dart_runner/vmservice/BUILD.gn
@@ -7,7 +7,7 @@ import("//build/fuchsia/sdk.gni")
 import("//flutter/common/config.gni")
 import("//flutter/tools/fuchsia/dart.gni")
 import("//flutter/tools/fuchsia/dart_kernel.gni")
-import("//third_party/dart/utils/compile_platform.gni")
+import("$dart_src/utils/compile_platform.gni")
 
 dart_kernel("vmservice_product_aot_kernel") {
   kernel_platform_files = "../kernel:kernel_platform_files"
diff --git a/shell/platform/fuchsia/flutter/BUILD.gn b/shell/platform/fuchsia/flutter/BUILD.gn
index f68c44972e830..e027b1ee82068 100644
--- a/shell/platform/fuchsia/flutter/BUILD.gn
+++ b/shell/platform/fuchsia/flutter/BUILD.gn
@@ -255,8 +255,8 @@ flutter_runner("jit") {
   product = false
 
   extra_deps = [
-    "//third_party/dart/runtime:libdart_jit",
-    "//third_party/dart/runtime/platform:libdart_platform_jit",
+    "$dart_src/runtime:libdart_jit",
+    "$dart_src/runtime/platform:libdart_platform_jit",
   ]
 }
 
@@ -265,8 +265,8 @@ flutter_runner("jit_product") {
   product = true
 
   extra_deps = [
-    "//third_party/dart/runtime:libdart_jit",
-    "//third_party/dart/runtime/platform:libdart_platform_jit",
+    "$dart_src/runtime:libdart_jit",
+    "$dart_src/runtime/platform:libdart_platform_jit",
   ]
 }
 
@@ -275,8 +275,8 @@ flutter_runner("aot") {
   product = false
 
   extra_deps = [
-    "//third_party/dart/runtime:libdart_precompiled_runtime",
-    "//third_party/dart/runtime/platform:libdart_platform_precompiled_runtime",
+    "$dart_src/runtime:libdart_precompiled_runtime",
+    "$dart_src/runtime/platform:libdart_platform_precompiled_runtime",
   ]
 }
 
@@ -285,8 +285,8 @@ flutter_runner("aot_product") {
   product = true
 
   extra_deps = [
-    "//third_party/dart/runtime:libdart_precompiled_runtime",
-    "//third_party/dart/runtime/platform:libdart_platform_precompiled_runtime",
+    "$dart_src/runtime:libdart_precompiled_runtime",
+    "$dart_src/runtime/platform:libdart_platform_precompiled_runtime",
   ]
 }
 
@@ -510,13 +510,13 @@ if (enable_unittests) {
     # The use of these dependencies is temporary and will be moved behind the
     # embedder API.
     flutter_deps = [
+      "$dart_src/runtime:libdart_jit",
+      "$dart_src/runtime/platform:libdart_platform_jit",
       "//flutter/assets:assets",
       "//flutter/common/graphics",
       "//flutter/flow",
       "//flutter/lib/ui",
       "//flutter/shell/common",
-      "//third_party/dart/runtime:libdart_jit",
-      "//third_party/dart/runtime/platform:libdart_platform_jit",
     ]
 
     deps = [
@@ -543,10 +543,10 @@ if (enable_unittests) {
     # The use of these dependencies is temporary and will be moved behind the
     # embedder API.
     flutter_deps = [
+      "$dart_src/runtime:libdart_jit",
+      "$dart_src/runtime/platform:libdart_platform_jit",
       "//flutter/lib/ui",
       "//flutter/shell/platform/common/client_wrapper:client_wrapper_library_stubs",
-      "//third_party/dart/runtime:libdart_jit",
-      "//third_party/dart/runtime/platform:libdart_platform_jit",
     ]
 
     deps = [
@@ -569,10 +569,10 @@ if (enable_unittests) {
     # The use of these dependencies is temporary and will be moved behind the
     # embedder API.
     flutter_deps = [
+      "$dart_src/runtime:libdart_jit",
+      "$dart_src/runtime/platform:libdart_platform_jit",
       "//flutter/lib/ui",
       "//flutter/shell/platform/common/client_wrapper:client_wrapper_library_stubs",
-      "//third_party/dart/runtime:libdart_jit",
-      "//third_party/dart/runtime/platform:libdart_platform_jit",
     ]
 
     deps = [
diff --git a/shell/platform/fuchsia/flutter/kernel/BUILD.gn b/shell/platform/fuchsia/flutter/kernel/BUILD.gn
index dd77441bfd3cd..b6b254581ffb1 100644
--- a/shell/platform/fuchsia/flutter/kernel/BUILD.gn
+++ b/shell/platform/fuchsia/flutter/kernel/BUILD.gn
@@ -6,7 +6,7 @@ import("//build/compiled_action.gni")
 import("//build/fuchsia/sdk.gni")
 import("//flutter/common/config.gni")
 import("//flutter/tools/fuchsia/dart.gni")
-import("//third_party/dart/utils/compile_platform.gni")
+import("$dart_src/utils/compile_platform.gni")
 
 compile_platform("kernel_platform_files") {
   single_root_scheme = "org-dartlang-sdk"
diff --git a/shell/platform/fuchsia/runtime/dart/profiler_symbols/BUILD.gn b/shell/platform/fuchsia/runtime/dart/profiler_symbols/BUILD.gn
index 4f4e683ba1b9f..f139ddff98c83 100644
--- a/shell/platform/fuchsia/runtime/dart/profiler_symbols/BUILD.gn
+++ b/shell/platform/fuchsia/runtime/dart/profiler_symbols/BUILD.gn
@@ -2,8 +2,10 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import("//flutter/build/dart/dart.gni")
 import("//flutter/tools/fuchsia/clang.gni")
-import("//third_party/dart/build/dart/dart_action.gni")
+
+import("$dart_src/build/dart/dart_action.gni")
 
 template("generate_dart_profiler_symbols") {
   assert(defined(invoker.library_label), "Must define 'library_label'")
@@ -17,7 +19,7 @@ template("generate_dart_profiler_symbols") {
 
     script = "dart_profiler_symbols.dart"
 
-    packages = rebase_path("//third_party/dart/.dart_tool/package_config.json")
+    packages = rebase_path("$dart_src/.dart_tool/package_config.json")
 
     args = [
       "--nm",
diff --git a/shell/platform/fuchsia/runtime/dart/utils/BUILD.gn b/shell/platform/fuchsia/runtime/dart/utils/BUILD.gn
index d1898a0531fea..09b31099ef5ee 100644
--- a/shell/platform/fuchsia/runtime/dart/utils/BUILD.gn
+++ b/shell/platform/fuchsia/runtime/dart/utils/BUILD.gn
@@ -61,7 +61,7 @@ action("generate_build_info_cc_file") {
     "build_info_in.cc",
     "//flutter/.git/logs/HEAD",
     "//fuchsia/sdk/$host_os/meta/manifest.json",
-    "//third_party/dart/.git/logs/HEAD",
+    "$dart_src/.git/logs/HEAD",
   ]
   outputs = [ "$target_gen_dir/build_info.cc" ]
 
@@ -77,7 +77,7 @@ action("generate_build_info_cc_file") {
 }
 
 make_utils("utils") {
-  deps = [ "//third_party/dart/runtime/bin:elf_loader" ]
+  deps = [ "$dart_src/runtime/bin:elf_loader" ]
 }
 
 test_fixtures("utils_fixtures") {
@@ -99,14 +99,14 @@ executable("dart_utils_unittests") {
   deps = [
     ":utils",
     ":utils_fixtures",
+    "$dart_src/runtime:libdart_jit",
+    "$dart_src/runtime/bin:dart_io_api",
     "$fuchsia_sdk_root/pkg:inspect_component_cpp",
     "$fuchsia_sdk_root/pkg:sys_cpp",
     "//flutter/testing",
-    "//third_party/dart/runtime:libdart_jit",
-    "//third_party/dart/runtime/bin:dart_io_api",
   ]
 }
 
 make_utils("utils_product") {
-  deps = [ "//third_party/dart/runtime/bin:elf_loader_product" ]
+  deps = [ "$dart_src/runtime/bin:elf_loader_product" ]
 }
diff --git a/shell/platform/glfw/client_wrapper/BUILD.gn b/shell/platform/glfw/client_wrapper/BUILD.gn
index fa4209369281e..d9c24fb513307 100644
--- a/shell/platform/glfw/client_wrapper/BUILD.gn
+++ b/shell/platform/glfw/client_wrapper/BUILD.gn
@@ -91,6 +91,6 @@ executable("client_wrapper_glfw_unittests") {
     # TODO(chunhtai): Consider refactoring flutter_root/testing so that there's a testing
     # target that doesn't require a Dart runtime to be linked in.
     # https://github.com/flutter/flutter/issues/41414.
-    "//third_party/dart/runtime:libdart_jit",
+    "$dart_src/runtime:libdart_jit",
   ]
 }
diff --git a/shell/platform/linux/BUILD.gn b/shell/platform/linux/BUILD.gn
index f9e3eab18a544..e0d29566ae2cb 100644
--- a/shell/platform/linux/BUILD.gn
+++ b/shell/platform/linux/BUILD.gn
@@ -288,7 +288,7 @@ zip_bundle("flutter_gtk") {
   deps = [
     ":flutter_linux_gtk",
     ":publish_headers_linux",
-    "//third_party/dart/runtime/bin:gen_snapshot",
+    "$dart_src/runtime/bin:gen_snapshot",
   ]
   sources = get_target_outputs(":publish_headers_linux")
   tmp_files = []
diff --git a/shell/platform/windows/client_wrapper/BUILD.gn b/shell/platform/windows/client_wrapper/BUILD.gn
index 88d25d75c97be..1d40c3c1314fb 100644
--- a/shell/platform/windows/client_wrapper/BUILD.gn
+++ b/shell/platform/windows/client_wrapper/BUILD.gn
@@ -95,7 +95,7 @@ executable("client_wrapper_windows_unittests") {
     # TODO(chunhtai): Consider refactoring flutter_root/testing so that there's a testing
     # target that doesn't require a Dart runtime to be linked in.
     # https://github.com/flutter/flutter/issues/41414.
-    "//third_party/dart/runtime:libdart_jit",
+    "$dart_src/runtime:libdart_jit",
   ]
 }
 
diff --git a/shell/testing/BUILD.gn b/shell/testing/BUILD.gn
index 7685d3a80e589..bb3c852afd40e 100644
--- a/shell/testing/BUILD.gn
+++ b/shell/testing/BUILD.gn
@@ -33,6 +33,8 @@ executable("testing") {
   }
 
   deps = [
+    "$dart_src/runtime:libdart_jit",
+    "$dart_src/runtime/bin:dart_io_api",
     "//flutter/assets",
     "//flutter/common",
     "//flutter/flow",
@@ -43,8 +45,6 @@ executable("testing") {
     "//flutter/skia",
     "//flutter/third_party/tonic",
     "//third_party/abseil-cpp/absl/base:no_destructor",
-    "//third_party/dart/runtime:libdart_jit",
-    "//third_party/dart/runtime/bin:dart_io_api",
   ]
 
   if (impeller_supports_rendering) {
diff --git a/shell/version/version.gni b/shell/version/version.gni
index 67a4b38cf0daa..c997b7cc977a3 100644
--- a/shell/version/version.gni
+++ b/shell/version/version.gni
@@ -2,6 +2,8 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import("//flutter/build/dart/dart.gni")
+
 declare_args() {
   engine_version = ""
 
@@ -39,7 +41,7 @@ if (dart_version == "") {
       exec_script("//flutter/build/git_revision.py",
                   [
                     "--repository",
-                    rebase_path("//third_party/dart", "", _flutter_root),
+                    rebase_path("$dart_src", "", _flutter_root),
                   ],
                   "list lines")
   dart_version = dart_version_lines[0]
diff --git a/sky/packages/sky_engine/BUILD.gn b/sky/packages/sky_engine/BUILD.gn
index 83d3a3aa4d820..f886b9ad7d7a7 100644
--- a/sky/packages/sky_engine/BUILD.gn
+++ b/sky/packages/sky_engine/BUILD.gn
@@ -6,29 +6,27 @@ import("//build/fuchsia/sdk.gni")
 import("//flutter/build/dart/rules.gni")
 import("//flutter/lib/ui/dart_ui.gni")
 import("//flutter/web_sdk/web_sdk.gni")
-import("//third_party/dart/sdk/lib/_http/http_sources.gni")
-import(
-    "//third_party/dart/sdk/lib/_internal/js_runtime/interceptors_sources.gni")
-import("//third_party/dart/sdk/lib/_internal/js_shared/js_types_sources.gni")
-import("//third_party/dart/sdk/lib/_internal/vm/lib/vm_internal.gni")
-import("//third_party/dart/sdk/lib/async/async_sources.gni")
-import("//third_party/dart/sdk/lib/collection/collection_sources.gni")
-import("//third_party/dart/sdk/lib/convert/convert_sources.gni")
-import("//third_party/dart/sdk/lib/core/core_sources.gni")
-import("//third_party/dart/sdk/lib/developer/developer_sources.gni")
-import("//third_party/dart/sdk/lib/ffi/ffi_sources.gni")
-import("//third_party/dart/sdk/lib/html/html_sources.gni")
-import("//third_party/dart/sdk/lib/internal/internal_sources.gni")
-import("//third_party/dart/sdk/lib/io/io_sources.gni")
-import("//third_party/dart/sdk/lib/isolate/isolate_sources.gni")
-import("//third_party/dart/sdk/lib/js/js_annotations_sources.gni")
-import("//third_party/dart/sdk/lib/js/js_sources.gni")
-import("//third_party/dart/sdk/lib/js_interop/js_interop_sources.gni")
-import(
-    "//third_party/dart/sdk/lib/js_interop_unsafe/js_interop_unsafe_sources.gni")
-import("//third_party/dart/sdk/lib/js_util/js_util_sources.gni")
-import("//third_party/dart/sdk/lib/math/math_sources.gni")
-import("//third_party/dart/sdk/lib/typed_data/typed_data_sources.gni")
+import("$dart_src/sdk/lib/_http/http_sources.gni")
+import("$dart_src/sdk/lib/_internal/js_runtime/interceptors_sources.gni")
+import("$dart_src/sdk/lib/_internal/js_shared/js_types_sources.gni")
+import("$dart_src/sdk/lib/_internal/vm/lib/vm_internal.gni")
+import("$dart_src/sdk/lib/async/async_sources.gni")
+import("$dart_src/sdk/lib/collection/collection_sources.gni")
+import("$dart_src/sdk/lib/convert/convert_sources.gni")
+import("$dart_src/sdk/lib/core/core_sources.gni")
+import("$dart_src/sdk/lib/developer/developer_sources.gni")
+import("$dart_src/sdk/lib/ffi/ffi_sources.gni")
+import("$dart_src/sdk/lib/html/html_sources.gni")
+import("$dart_src/sdk/lib/internal/internal_sources.gni")
+import("$dart_src/sdk/lib/io/io_sources.gni")
+import("$dart_src/sdk/lib/isolate/isolate_sources.gni")
+import("$dart_src/sdk/lib/js/js_annotations_sources.gni")
+import("$dart_src/sdk/lib/js/js_sources.gni")
+import("$dart_src/sdk/lib/js_interop/js_interop_sources.gni")
+import("$dart_src/sdk/lib/js_interop_unsafe/js_interop_unsafe_sources.gni")
+import("$dart_src/sdk/lib/js_util/js_util_sources.gni")
+import("$dart_src/sdk/lib/math/math_sources.gni")
+import("$dart_src/sdk/lib/typed_data/typed_data_sources.gni")
 
 if (!is_fuchsia) {
   copy("copy_sky_engine_authors") {
@@ -38,7 +36,7 @@ if (!is_fuchsia) {
   }
 }
 
-dart_sdk_lib_path = rebase_path("//third_party/dart/sdk/lib")
+dart_sdk_lib_path = rebase_path("$dart_src/sdk/lib")
 
 copy("async") {
   lib_path = rebase_path("async", "", dart_sdk_lib_path)
@@ -196,7 +194,7 @@ web_ui_ui_web_with_output("copy_dart_ui_web") {
 }
 
 copy("copy_allowed_experiments") {
-  sources = [ "//third_party/dart/sdk/lib/_internal/allowed_experiments.json" ]
+  sources = [ "$dart_src/sdk/lib/_internal/allowed_experiments.json" ]
 
   outputs = [
     "$root_gen_dir/dart-pkg/sky_engine/lib/_internal/allowed_experiments.json",
@@ -288,7 +286,7 @@ dart_pkg("sky_engine") {
     deps += [ ":copy_sky_engine_authors" ]
   }
 
-  service_isolate_dir = "//third_party/dart/sdk/lib/_internal/vm/bin/"
+  service_isolate_dir = "$dart_src/sdk/lib/_internal/vm/bin/"
   sdk_ext_directory = "$root_gen_dir/sky/bindings"
   sdk_ext_files = [
     "$service_isolate_dir/vmservice_io.dart",
diff --git a/testing/BUILD.gn b/testing/BUILD.gn
index 9eac2945251f4..ef13c07ddafd9 100644
--- a/testing/BUILD.gn
+++ b/testing/BUILD.gn
@@ -74,12 +74,12 @@ source_set("dart") {
 
   public_deps = [
     ":testing_lib",
+    "$dart_src/runtime/bin:elf_loader",
     "//flutter/common",
     "//flutter/runtime",
     "//flutter/runtime:libdart",
     "//flutter/skia",
     "//flutter/third_party/tonic",
-    "//third_party/dart/runtime/bin:elf_loader",
   ]
 }
 
diff --git a/testing/scenario_app/ios/BUILD.gn b/testing/scenario_app/ios/BUILD.gn
index 605de6f33dce1..089de90141168 100644
--- a/testing/scenario_app/ios/BUILD.gn
+++ b/testing/scenario_app/ios/BUILD.gn
@@ -2,8 +2,10 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import("//flutter/build/dart/dart.gni")
 import("//flutter/testing/rules/runtime_mode.gni")
-import("//third_party/dart/build/dart/copy_tree.gni")
+
+import("$dart_src/build/dart/copy_tree.gni")
 
 _app_framework_dir = "$root_out_dir/scenario_app/Scenarios/App.framework"
 
diff --git a/testing/testing.gni b/testing/testing.gni
index cf59753e51dc7..66ac11cffd859 100644
--- a/testing/testing.gni
+++ b/testing/testing.gni
@@ -106,7 +106,7 @@ template("dart_snapshot_aot") {
   compiled_action(target_name) {
     testonly = true
 
-    tool = "//third_party/dart/runtime/bin:gen_snapshot"
+    tool = "$dart_src/runtime/bin:gen_snapshot"
 
     pool = "//flutter/build/dart:dart_pool"
 
diff --git a/third_party/accessibility/base/BUILD.gn b/third_party/accessibility/base/BUILD.gn
index 673fda743487f..f495debd1ab84 100644
--- a/third_party/accessibility/base/BUILD.gn
+++ b/third_party/accessibility/base/BUILD.gn
@@ -2,6 +2,7 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import("//flutter/build/dart/dart.gni")
 import("//flutter/common/config.gni")
 
 source_set("base") {
@@ -49,9 +50,9 @@ source_set("base") {
   }
 
   public_deps = [
+    "$dart_src/third_party/double-conversion/src:libdouble_conversion",
     "numerics",
     "//flutter/fml:string_conversion",
     "//flutter/third_party/accessibility/ax_build",
-    "//third_party/dart/third_party/double-conversion/src:libdouble_conversion",
   ]
 }
diff --git a/third_party/tonic/BUILD.gn b/third_party/tonic/BUILD.gn
index 9a6abda8ba695..ed2930c75560b 100644
--- a/third_party/tonic/BUILD.gn
+++ b/third_party/tonic/BUILD.gn
@@ -2,6 +2,8 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import("//flutter/build/dart/dart.gni")
+
 config("config") {
   include_dirs = [
     "//flutter/third_party",
@@ -86,7 +88,7 @@ source_set("tonic") {
     ]
   }
 
-  public_deps = [ "//third_party/dart/runtime:dart_api" ]
+  public_deps = [ "$dart_src/runtime:dart_api" ]
 
   public_configs = [ ":config" ]
 }
diff --git a/third_party/tonic/tests/BUILD.gn b/third_party/tonic/tests/BUILD.gn
index 84f1c3ca04321..fe53cce096041 100644
--- a/third_party/tonic/tests/BUILD.gn
+++ b/third_party/tonic/tests/BUILD.gn
@@ -24,12 +24,12 @@ executable("tonic_unittests") {
 
   public_deps = [
     ":tonic_fixtures",
+    "$dart_src/runtime:dart_api",
     "//flutter/lib/snapshot",
     "//flutter/runtime:libdart",
     "//flutter/runtime:runtime",
     "//flutter/testing",
     "//flutter/testing:fixture_test",
-    "//third_party/dart/runtime:dart_api",
     "//third_party/googletest:gtest",
   ]
 
diff --git a/tools/fuchsia/dart.gni b/tools/fuchsia/dart.gni
index 534acb52eae67..d5289a84b5cfa 100644
--- a/tools/fuchsia/dart.gni
+++ b/tools/fuchsia/dart.gni
@@ -2,13 +2,14 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-gen_snapshot = "//third_party/dart/runtime/bin:gen_snapshot"
-gen_snapshot_product = "//third_party/dart/runtime/bin:gen_snapshot_product"
+import("//flutter/build/dart/dart.gni")
 
-prebuilt_dart = "//third_party/dart/tools/sdks/dart-sdk/bin/dart"
+gen_snapshot = "$dart_src/runtime/bin:gen_snapshot"
+gen_snapshot_product = "$dart_src/runtime/bin:gen_snapshot_product"
 
-observatory_target =
-    "//third_party/dart/runtime/observatory:observatory_archive"
+prebuilt_dart = "$dart_src/tools/sdks/dart-sdk/bin/dart"
+
+observatory_target = "$dart_src/runtime/observatory:observatory_archive"
 observatory_archive_dir = get_label_info(observatory_target, "target_gen_dir")
 observatory_archive_name = get_label_info(observatory_target, "name")
 observatory_archive_file =
diff --git a/tools/fuchsia/dart/kernel/BUILD.gn b/tools/fuchsia/dart/kernel/BUILD.gn
index d8a538e3933ee..38af886e1af7c 100644
--- a/tools/fuchsia/dart/kernel/BUILD.gn
+++ b/tools/fuchsia/dart/kernel/BUILD.gn
@@ -5,5 +5,5 @@
 import("//flutter/tools/fuchsia/dart/dart_tool.gni")
 
 dart_prebuilt_tool("gen_kernel") {
-  snapshot = "//third_party/dart/pkg/vm/bin/gen_kernel.dart"
+  snapshot = "$dart_src/pkg/vm/bin/gen_kernel.dart"
 }
diff --git a/tools/fuchsia/dart_kernel.gni b/tools/fuchsia/dart_kernel.gni
index 598113eee02e7..49fed728362a6 100644
--- a/tools/fuchsia/dart_kernel.gni
+++ b/tools/fuchsia/dart_kernel.gni
@@ -4,7 +4,7 @@
 
 import("//flutter/common/fuchsia_config.gni")
 import("//flutter/tools/fuchsia/dart.gni")
-import("//third_party/dart/build/dart/dart_action.gni")
+import("$dart_src/build/dart/dart_action.gni")
 
 template("dart_kernel") {
   prebuilt_dart_action(target_name) {
@@ -16,11 +16,10 @@ template("dart_kernel") {
 
     deps = [ invoker.kernel_platform_files ]
 
-    gen_kernel_script = "//third_party/dart/pkg/vm/bin/gen_kernel.dart"
+    gen_kernel_script = "$dart_src/pkg/vm/bin/gen_kernel.dart"
     platform_dill = "$root_out_dir/dart_runner_patched_sdk/platform_strong.dill"
 
-    dot_packages =
-        rebase_path("//third_party/dart/.dart_tool/package_config.json")
+    dot_packages = rebase_path("$dart_src/.dart_tool/package_config.json")
 
     inputs = [
       platform_dill,
diff --git a/tools/fuchsia/flutter/flutter_component.gni b/tools/fuchsia/flutter/flutter_component.gni
index a2393f649975e..3932ddf354852 100644
--- a/tools/fuchsia/flutter/flutter_component.gni
+++ b/tools/fuchsia/flutter/flutter_component.gni
@@ -16,7 +16,7 @@ import("//flutter/tools/fuchsia/flutter/internal/flutter_dart_component.gni")
 # dart_library("lib") {
 #   package_name = "my_library"
 #   sources = [ "main.dart" ]
-#   deps = [ "//third_party/dart-pkg/git/flutter/packages/flutter" ]
+#   deps = [ "$dart_src-pkg/git/flutter/packages/flutter" ]
 # }
 # ```
 #
diff --git a/web_sdk/BUILD.gn b/web_sdk/BUILD.gn
index 0c453a45b5153..f1383ae3216f8 100644
--- a/web_sdk/BUILD.gn
+++ b/web_sdk/BUILD.gn
@@ -6,9 +6,9 @@ import("//flutter/build/zip_bundle.gni")
 import("//flutter/common/config.gni")
 import("//flutter/lib/web_ui/flutter_js/sources.gni")
 import("//flutter/web_sdk/web_sdk.gni")
-import("//third_party/dart/build/dart/dart_action.gni")
+import("$dart_src/build/dart/dart_action.gni")
 
-web_ui_sources = exec_script("//third_party/dart/tools/list_dart_files.py",
+web_ui_sources = exec_script("$dart_src/tools/list_dart_files.py",
                              [
                                "absolute",
                                rebase_path("//flutter/lib/web_ui/lib"),
@@ -139,13 +139,13 @@ template("_dartdevc") {
       forward_variables_from(invoker, "*")
 
       deps = web_engine_libraries + [
-               "//third_party/dart:create_sdk",
-               "//third_party/dart/pkg:pkg_files_stamp",
-               "//third_party/dart/utils/ddc:ddc_files_stamp",
-               "//third_party/dart/utils/ddc:ddc_sdk_patch_stamp",
+               "$dart_src:create_sdk",
+               "$dart_src/pkg:pkg_files_stamp",
+               "$dart_src/utils/ddc:ddc_files_stamp",
+               "$dart_src/utils/ddc:ddc_sdk_patch_stamp",
              ]
 
-      script = "//third_party/dart/pkg/dev_compiler/bin/dartdevc.dart"
+      script = "$dart_src/pkg/dev_compiler/bin/dartdevc.dart"
 
       pool = "//flutter/build/dart:dart_pool"
     }
@@ -190,13 +190,13 @@ template("_kernel_worker") {
       forward_variables_from(invoker, "*")
 
       deps = web_engine_libraries + [
-               "//third_party/dart:create_sdk",
-               "//third_party/dart/pkg:pkg_files_stamp",
-               "//third_party/dart/utils/ddc:ddc_files_stamp",
-               "//third_party/dart/utils/ddc:ddc_sdk_patch_stamp",
+               "$dart_src:create_sdk",
+               "$dart_src/pkg:pkg_files_stamp",
+               "$dart_src/utils/ddc:ddc_files_stamp",
+               "$dart_src/utils/ddc:ddc_sdk_patch_stamp",
              ]
 
-      script = "//third_party/dart/utils/bazel/kernel_worker.dart"
+      script = "$dart_src/utils/bazel/kernel_worker.dart"
 
       pool = "//flutter/build/dart:dart_pool"
     }
diff --git a/web_sdk/web_sdk.gni b/web_sdk/web_sdk.gni
index 89357c7774962..e98ad3b616948 100644
--- a/web_sdk/web_sdk.gni
+++ b/web_sdk/web_sdk.gni
@@ -2,10 +2,12 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import("//flutter/build/dart/dart.gni")
 import("//flutter/common/config.gni")
-import("//third_party/dart/build/dart/dart_action.gni")
 
-dart_sdk_package_config = "//third_party/dart/.dart_tool/package_config.json"
+import("$dart_src/build/dart/dart_action.gni")
+
+dart_sdk_package_config = "$dart_src/.dart_tool/package_config.json"
 
 template("sdk_rewriter") {
   ui = defined(invoker.ui) && invoker.ui
@@ -16,7 +18,7 @@ template("sdk_rewriter") {
   assert(defined(invoker.input_dir), "Must pass 'input_dir'")
   assert(defined(invoker.output_dir), "Must pass 'output_dir'")
 
-  source_dart_files = exec_script("//third_party/dart/tools/list_dart_files.py",
+  source_dart_files = exec_script("$dart_src/tools/list_dart_files.py",
                                   [
                                     "absolute",
                                     rebase_path(invoker.input_dir),