diff --git a/phpcs.xml.dist b/phpcs.xml.dist
index b5cb2f134..38a186546 100644
--- a/phpcs.xml.dist
+++ b/phpcs.xml.dist
@@ -89,7 +89,6 @@
 	<rule ref="WordPress.NamingConventions.PrefixAllGlobals.NonPrefixedClassFound">
 		<exclude-pattern>*/php/commands/src/CLI_(Cache_)?Command\.php$</exclude-pattern>
 		<exclude-pattern>*/php/commands/src/Help_Command\.php$</exclude-pattern>
-		<exclude-pattern>*/utils/contrib-list\.php$</exclude-pattern>
 	</rule>
 
 	<!-- Exclude existing classes from the prefix rule as it would break BC to prefix them now. -->
diff --git a/utils/contrib-list.php b/utils/contrib-list.php
deleted file mode 100644
index b8eafcb2d..000000000
--- a/utils/contrib-list.php
+++ /dev/null
@@ -1,205 +0,0 @@
-<?php
-/**
- * List all contributors to this release.
- *
- * Usage: wp --require=utils/contrib-list.php contrib-list
- *
- * If you run into GitHub API rate limit issues, set a GITHUB_TOKEN
- * environment variable.
- */
-
-use WP_CLI\Utils;
-
-class Contrib_List_Command {
-
-	/**
-	 * List all contributors to this release.
-	 *
-	 * Run within the main WP-CLI project repository.
-	 *
-	 * ## OPTIONS
-	 *
-	 * [--format=<format>]
-	 * : Render output in a specific format.
-	 * ---
-	 * default: markdown
-	 * options:
-	 *   - markdown
-	 *   - html
-	 * ---
-	 *
-	 * @when before_wp_load
-	 */
-	public function __invoke( $_, $assoc_args ) {
-
-		$contributors       = array();
-		$contributor_count  = 0;
-		$pull_request_count = 0;
-
-		// Get the contributors to the current open large project milestones
-		foreach ( array( 'wp-cli/wp-cli', 'wp-cli/handbook', 'wp-cli/wp-cli.github.com' ) as $repo ) {
-			$milestones = self::get_project_milestones( $repo );
-			// Cheap way to get the latest milestone
-			$milestone = array_shift( $milestones );
-			WP_CLI::log( 'Current open ' . $repo . ' milestone: ' . $milestone->title );
-			$pull_requests     = self::get_project_milestone_pull_requests( $repo, $milestone->number );
-			$repo_contributors = self::parse_contributors_from_pull_requests( $pull_requests );
-			WP_CLI::log( ' - Contributors: ' . count( $repo_contributors ) );
-			WP_CLI::log( ' - Pull requests: ' . count( $pull_requests ) );
-			$pull_request_count += count( $pull_requests );
-			$contributors        = array_merge( $contributors, $repo_contributors );
-		}
-
-		// Identify all command dependencies and their contributors
-		$milestones = self::get_project_milestones( 'wp-cli/wp-cli', array( 'state' => 'closed' ) );
-		// Cheap way to get the latest closed milestone
-		$milestone         = array_shift( $milestones );
-		$composer_lock_url = sprintf( 'https://raw.githubusercontent.com/wp-cli/wp-cli/v%s/composer.lock', $milestone->title );
-		WP_CLI::log( 'Fetching ' . $composer_lock_url );
-		$response = Utils\http_request( 'GET', $composer_lock_url );
-		if ( 200 !== $response->status_code ) {
-			WP_CLI::error( sprintf( 'Could not fetch composer.json (HTTP code %d)', $response->status_code ) );
-		}
-		$composer_json = json_decode( $response->body, true );
-		foreach ( $composer_json['packages'] as $package ) {
-			$package_name       = $package['name'];
-			$version_constraint = str_replace( 'v', '', $package['version'] );
-			if ( ! preg_match( '#^wp-cli/.+-command$#', $package_name ) ) {
-				continue;
-			}
-			// Closed milestones denote a tagged release
-			$milestones       = self::get_project_milestones( $package_name, array( 'state' => 'closed' ) );
-			$milestone_ids    = array();
-			$milestone_titles = array();
-			foreach ( $milestones as $milestone ) {
-				if ( ! version_compare( $milestone->title, $version_constraint, '>' ) ) {
-					continue;
-				}
-				$milestone_ids[]    = $milestone->number;
-				$milestone_titles[] = $milestone->title;
-			}
-			// No shipped releases for this milestone.
-			if ( empty( $milestone_ids ) ) {
-				continue;
-			}
-			WP_CLI::log( 'Closed ' . $package_name . ' milestone(s): ' . implode( ', ', $milestone_titles ) );
-			foreach ( $milestone_ids as $milestone_id ) {
-				$pull_requests     = self::get_project_milestone_pull_requests( $package_name, $milestone_id );
-				$repo_contributors = self::parse_contributors_from_pull_requests( $pull_requests );
-				WP_CLI::log( ' - Contributors: ' . count( $repo_contributors ) );
-				WP_CLI::log( ' - Pull requests: ' . count( $pull_requests ) );
-				$pull_request_count += count( $pull_requests );
-				$contributors        = array_merge( $contributors, $repo_contributors );
-			}
-		}
-
-		WP_CLI::log( 'Total contributors: ' . count( $contributors ) );
-		WP_CLI::log( 'Total pull requests: ' . $pull_request_count );
-
-		// Sort and render the contributor list
-		asort( $contributors, SORT_NATURAL | SORT_FLAG_CASE );
-		if ( in_array( $assoc_args['format'], array( 'markdown', 'html' ), true ) ) {
-			$contrib_list = '';
-			foreach ( $contributors as $url => $login ) {
-				if ( 'markdown' === $assoc_args['format'] ) {
-					$contrib_list .= '[' . $login . '](' . $url . '), ';
-				} elseif ( 'html' === $assoc_args['format'] ) {
-					$contrib_list .= '<a href="' . $url . '">' . $login . '</a>, ';
-				}
-			}
-			$contrib_list = rtrim( $contrib_list, ', ' );
-			WP_CLI::log( $contrib_list );
-		}
-	}
-
-	/**
-	 * Get the milestones for a given project
-	 *
-	 * @param string $project
-	 * @return array
-	 */
-	private static function get_project_milestones( $project, $args = array() ) {
-		$request_url            = sprintf( 'https://api.github.com/repos/%s/milestones', $project );
-		list( $body, $headers ) = self::make_github_api_request( $request_url, $args );
-		return $body;
-	}
-
-	/**
-	 * Get the pull requests assigned to a milestone of a given project
-	 *
-	 * @param string $project
-	 * @param integer $milestone_id
-	 * @return array
-	 */
-	private static function get_project_milestone_pull_requests( $project, $milestone_id ) {
-		$request_url   = sprintf( 'https://api.github.com/repos/%s/issues', $project );
-		$args          = array(
-			'milestone' => $milestone_id,
-			'state'     => 'all',
-		);
-		$pull_requests = array();
-		do {
-			list( $body, $headers ) = self::make_github_api_request( $request_url, $args );
-			foreach ( $body as $issue ) {
-				if ( ! empty( $issue->pull_request ) ) {
-					$pull_requests[] = $issue;
-				}
-			}
-			$args        = array();
-			$request_url = false;
-			// Set $request_url to 'rel="next" if present'
-			if ( ! empty( $headers['Link'] ) ) {
-				$bits = trim( explode( ',', $headers['Link'] ) );
-				foreach ( $bits as $bit ) {
-					if ( false !== stripos( $bit, 'rel="next"' ) ) {
-						$hrefandrel  = explode( '; ', $bit );
-						$request_url = trim( $hrefandrel[0], '<>' );
-						break;
-					}
-				}
-			}
-		} while ( $request_url );
-		return $pull_requests;
-	}
-
-	/**
-	 * Parse the contributors from pull request objects
-	 *
-	 * @param array $pull_requests
-	 * @return array
-	 */
-	private static function parse_contributors_from_pull_requests( $pull_requests ) {
-		$contributors = array();
-		foreach ( $pull_requests as $pull_request ) {
-			if ( ! empty( $pull_request->user ) ) {
-				$contributors[ $pull_request->user->html_url ] = $pull_request->user->login;
-			}
-		}
-		return $contributors;
-	}
-
-	/**
-	 * Make a request to the GitHub API
-	 *
-	 * @param string $url
-	 * @param string $args
-	 * @return array
-	 */
-	private static function make_github_api_request( $url, $args = array() ) {
-		$headers = array(
-			'Accept'     => 'application/vnd.github.v3+json',
-			'User-Agent' => 'WP-CLI',
-		);
-		$token   = getenv( 'GITHUB_TOKEN' );
-		if ( false !== $token ) {
-			$headers['Authorization'] = 'token ' . $token;
-		}
-		$response = Utils\http_request( 'GET', $url, $args, $headers );
-		if ( 200 !== $response->status_code ) {
-			WP_CLI::error( sprintf( 'GitHub API returned: %s (HTTP code %d)', $response->body, $response->status_code ) );
-		}
-		return array( json_decode( $response->body ), $response->headers );
-	}
-}
-
-WP_CLI::add_command( 'contrib-list', 'Contrib_List_Command' );