diff --git a/CHANGELOG.md b/CHANGELOG.md
index aa16e283566..1d166ff1d26 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -30,6 +30,10 @@
 
 [an issue]: https://github.com/dart-lang/sdk/issues/new
 
+- **Breaking Change** [#46100](https://github.com/dart-lang/sdk/issues/46100):
+  The standalone `dartdoc` tool has been removed as
+  previously announced. Its replacement is the `dart doc` command.
+
 ## 2.16.0
 
 ### Core libraries
diff --git a/benchmarks/SDKArtifactSizes/dart/SDKArtifactSizes.dart b/benchmarks/SDKArtifactSizes/dart/SDKArtifactSizes.dart
index b7c18d165a3..733b711f727 100644
--- a/benchmarks/SDKArtifactSizes/dart/SDKArtifactSizes.dart
+++ b/benchmarks/SDKArtifactSizes/dart/SDKArtifactSizes.dart
@@ -23,7 +23,6 @@ const snapshots = <String>[
   'dartanalyzer',
   'dartdev',
   'dartdevc',
-  'dartdoc',
   'dds',
   'frontend_server',
   'gen_kernel',
diff --git a/sdk/BUILD.gn b/sdk/BUILD.gn
index 2b4fa76559b..867dd32305c 100644
--- a/sdk/BUILD.gn
+++ b/sdk/BUILD.gn
@@ -35,7 +35,6 @@ declare_args() {
 # ......dart or dart.exe (executable)
 # ......dart.lib (import library for VM native extensions on Windows)
 # ......dartaotruntime or dartaotruntime.exe (executable)
-# ......dartdoc
 # ......dart2js
 # ......dartanalyzer
 # ......dartdevc
@@ -48,7 +47,6 @@ declare_args() {
 # ........dartdev.dart.snapshot
 # ........dartdev.dill
 # ........dartdevc.dart.snapshot
-# ........dartdoc.dart.snapshot
 # ........dds.dart.snapshot
 # ........frontend_server.dart.snapshot
 # ........gen_kernel.dart.snapshot (if not on ia32)
@@ -102,9 +100,6 @@ _full_sdk_scripts = [
   "pub",
 ]
 
-# Scripts not ending in _sdk that go under bin/
-_scripts = [ "dartdoc" ]
-
 # Snapshots that go under bin/snapshots
 _platform_sdk_snapshots = [
   [
@@ -119,10 +114,6 @@ _platform_sdk_snapshots = [
     "dartdev",
     "../utils/dartdev:dartdev",
   ],
-  [
-    "dartdoc",
-    "../utils/dartdoc",
-  ],
   [
     "dds",
     "../utils/dds:dds",
@@ -381,21 +372,6 @@ foreach(sdk_script, _full_sdk_scripts) {
   }
 }
 
-foreach(script, _scripts) {
-  copy("copy_${script}_script") {
-    visibility = [
-      ":copy_full_sdk_scripts",
-      ":copy_platform_sdk_scripts",
-    ]
-    ext = ""
-    if (is_win) {
-      ext = ".bat"
-    }
-    sources = [ "bin/$script$ext" ]
-    outputs = [ "$root_out_dir/$dart_sdk_output/bin/{{source_file_part}}" ]
-  }
-}
-
 # This is the main target for copying scripts in _platform_sdk_scripts to bin/
 group("copy_platform_sdk_scripts") {
   visibility = [ ":_create_platform_sdk" ]
@@ -403,9 +379,6 @@ group("copy_platform_sdk_scripts") {
   foreach(sdk_script, _platform_sdk_scripts) {
     public_deps += [ ":copy_${sdk_script}_script" ]
   }
-  foreach(script, _scripts) {
-    public_deps += [ ":copy_${script}_script" ]
-  }
 }
 
 # This is the main target for copying scripts in _full_sdk_scripts to bin/
@@ -415,9 +388,6 @@ group("copy_full_sdk_scripts") {
   foreach(sdk_script, _full_sdk_scripts) {
     public_deps += [ ":copy_${sdk_script}_script" ]
   }
-  foreach(script, _scripts) {
-    public_deps += [ ":copy_${script}_script" ]
-  }
 }
 
 # This loop generates "copy" targets that put snapshots into bin/snapshots
@@ -461,10 +431,6 @@ group("copy_full_sdk_snapshots") {
   }
 }
 
-# This rule writes the .packages file for dartdoc resources.
-write_file("$root_out_dir/$dart_sdk_output/bin/resources/dartdoc/.packages",
-           "dartdoc:.")
-
 # This is the main rule for copying the files that dartdoc needs.
 group("copy_dartdoc_files") {
   visibility = [ ":create_common_sdk" ]
diff --git a/sdk/bin/dartdoc b/sdk/bin/dartdoc
deleted file mode 100755
index b7817c8503a..00000000000
--- a/sdk/bin/dartdoc
+++ /dev/null
@@ -1,28 +0,0 @@
-#!/usr/bin/env bash
-# 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.
-
-echo "Warning: 'dartdoc' is deprecated. Please use 'dart doc'." 1>&2
-
-function follow_links() {
-  file="$1"
-  while [ -h "$file" ]; do
-    # On Mac OS, readlink -f doesn't work.
-    file="$(readlink "$file")"
-  done
-  echo "$file"
-}
-
-# Unlike $0, $BASH_SOURCE points to the absolute path of this file.
-PROG_NAME="$(follow_links "$BASH_SOURCE")"
-
-# Handle the case where dart-sdk/bin has been symlinked to.
-BIN_DIR="$(cd "${PROG_NAME%/*}" ; pwd -P)"
-SDK_DIR="$(cd "${BIN_DIR}/.." ; pwd -P)"
-
-SNAPSHOT="$BIN_DIR/snapshots/dartdoc.dart.snapshot"
-
-# We are running the snapshot in the built SDK.
-DART="$BIN_DIR/dart"
-exec "$DART" "--packages=$BIN_DIR/resources/dartdoc/.packages" "$SNAPSHOT" "--resources-dir=$BIN_DIR/resources/dartdoc/resources/" "$@"
diff --git a/sdk/bin/dartdoc.bat b/sdk/bin/dartdoc.bat
deleted file mode 100644
index ea32a87e897..00000000000
--- a/sdk/bin/dartdoc.bat
+++ /dev/null
@@ -1,46 +0,0 @@
-@echo off
-REM Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
-REM for details. All rights reserved. Use of this source code is governed by a
-REM BSD-style license that can be found in the LICENSE file.
-
-echo Warning: 'dartdoc' is deprecated. Please use 'dart doc'. 1>&2
-
-setlocal
-rem Handle the case where dart-sdk/bin has been symlinked to.
-set DIR_NAME_WITH_SLASH=%~dp0
-set DIR_NAME=%DIR_NAME_WITH_SLASH:~0,-1%%
-call :follow_links "%DIR_NAME%", RETURNED_BIN_DIR
-rem Get rid of surrounding quotes.
-for %%i in ("%RETURNED_BIN_DIR%") do set BIN_DIR=%%~fi
-
-set DART=%BIN_DIR%\dart
-set SNAPSHOT=%BIN_DIR%\snapshots\dartdoc.dart.snapshot
-
-"%DART%" "--packages=%BIN_DIR%/resources/dartdoc/.packages" "%SNAPSHOT%" %*
-
-endlocal
-
-exit /b %errorlevel%
-
-rem Follow the symbolic links (junctions points) using `dir to determine the
-rem canonical path. Output with a link looks something like this
-rem
-rem 01/03/2013  10:11 PM    <JUNCTION>     abc def
-rem [c:\dart_bleeding\dart-repo.9\dart\out\ReleaseIA32\dart-sdk]
-rem
-rem So in the output of 'dir /a:l "targetdir"' we are looking for a filename
-rem surrounded by right angle bracket and left square bracket. Once we get
-rem the filename, which is name of the link, we recursively follow that.
-:follow_links
-setlocal
-for %%i in (%1) do set result=%%~fi
-set current=
-for /f "usebackq tokens=2 delims=[]" %%i in (`dir /a:l "%~dp1" 2^>nul ^
-                                             ^| %SystemRoot%\System32\find.exe ">     %~n1 [" 2^>nul`) do (
-  set current=%%i
-)
-if not "%current%"=="" call :follow_links "%current%", result
-endlocal & set %~2=%result%
-goto :eof
-
-:end
diff --git a/tools/bots/test_matrix.json b/tools/bots/test_matrix.json
index d638c365d05..1d376fe5a09 100644
--- a/tools/bots/test_matrix.json
+++ b/tools/bots/test_matrix.json
@@ -3574,10 +3574,12 @@
         },
         {
           "name": "validate SDK API docs",
-          "script": "out/ReleaseX64/dart-sdk/bin/dartdoc",
+          "script": "out/ReleaseX64/dart-sdk/bin/dart",
           "arguments": [
+            "doc",
             "--sdk-docs",
-            "--no-generate-docs"
+            "--dry-run",
+            "--verbose"
           ]
         },
         {
@@ -4006,7 +4008,8 @@
             "--platform=out/ReleaseX64/vm_platform_strong.dill",
             "--no-aot",
             "--no-sound-null-safety",
-            "-o", "runtime/tests/concurrency/generated_stress_test.dart.jit.dill",
+            "-o",
+            "runtime/tests/concurrency/generated_stress_test.dart.jit.dill",
             "runtime/tests/concurrency/generated_stress_test.dart"
           ]
         },
@@ -4017,7 +4020,8 @@
             "pkg/vm/bin/gen_kernel.dart",
             "--platform=out/ReleaseX64/vm_platform_strong.dill",
             "--no-aot",
-            "-o", "runtime/tests/concurrency/generated_stress_test_nnbd.dart.jit.dill",
+            "-o",
+            "runtime/tests/concurrency/generated_stress_test_nnbd.dart.jit.dill",
             "runtime/tests/concurrency/generated_stress_test_nnbd.dart"
           ]
         },
@@ -4029,7 +4033,8 @@
             "--platform=out/ReleaseX64/vm_platform_strong.dill",
             "--aot",
             "--no-sound-null-safety",
-            "-o", "runtime/tests/concurrency/generated_stress_test.dart.aot.dill",
+            "-o",
+            "runtime/tests/concurrency/generated_stress_test.dart.aot.dill",
             "runtime/tests/concurrency/generated_stress_test.dart"
           ]
         },
@@ -4040,7 +4045,8 @@
             "pkg/vm/bin/gen_kernel.dart",
             "--platform=out/ReleaseX64/vm_platform_strong.dill",
             "--aot",
-            "-o", "runtime/tests/concurrency/generated_stress_test_nnbd.dart.aot.dill",
+            "-o",
+            "runtime/tests/concurrency/generated_stress_test_nnbd.dart.aot.dill",
             "runtime/tests/concurrency/generated_stress_test_nnbd.dart"
           ]
         },
@@ -4166,4 +4172,4 @@
     "macos": "buildtools/mac-x64/clang/bin/llvm-symbolizer",
     "windows": "buildtools/win-x64/clang/bin/llvm-symbolizer.exe"
   }
-}
+}
\ No newline at end of file
diff --git a/utils/dartdoc/.gitignore b/utils/dartdoc/.gitignore
deleted file mode 100644
index ce5803f47d9..00000000000
--- a/utils/dartdoc/.gitignore
+++ /dev/null
@@ -1,2 +0,0 @@
-/dartdoc.Makefile
-/dartdoc.target.mk
diff --git a/utils/dartdoc/BUILD.gn b/utils/dartdoc/BUILD.gn
deleted file mode 100644
index 0ba4fe2b644..00000000000
--- a/utils/dartdoc/BUILD.gn
+++ /dev/null
@@ -1,10 +0,0 @@
-# Copyright (c) 2016, 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("../application_snapshot.gni")
-
-application_snapshot("dartdoc") {
-  main_dart = "../../third_party/pkg/dartdoc/bin/dartdoc.dart"
-  training_args = [ "--help" ]
-}