diff --git a/Gruntfile.js b/Gruntfile.js
index 87159bec07..f30545cacb 100644
--- a/Gruntfile.js
+++ b/Gruntfile.js
@@ -1639,15 +1639,9 @@ module.exports = function(grunt) {
 		var done = this.async();
 		var flags = this.flags;
 		var args = changedFiles.php;
-		if ( flags.travisErrors ) {
-			// We can check the entire codebase for coding standards errors.
-			args = [ 'lint:errors' ];
-		} else if ( flags.travisWarnings ) {
-			// We can check the tests directory for errors and warnings.
-			args = [ 'lint', 'tests' ];
-		} else {
-			args.unshift( 'lint' );
-		}
+
+		args.unshift( 'lint' );
+
 		grunt.util.spawn( {
 			cmd: 'composer',
 			args: args,
@@ -1661,11 +1655,6 @@ module.exports = function(grunt) {
 		} );
 	} );
 
-	// Travis CI tasks.
-	grunt.registerTask('travis:js', 'Runs JavaScript Travis CI tasks.', [ 'jshint:corejs', 'qunit:compiled' ]);
-	grunt.registerTask('travis:phpunit', 'Runs PHPUnit Travis CI tasks.', [ 'build', 'phpunit' ]);
-	grunt.registerTask('travis:phpcs', 'Runs PHP Coding Standards Travis CI tasks.', [ 'format:php:error', 'lint:php:travisErrors:error', 'lint:php:travisWarnings:error' ]);
-
 	// Patch task.
 	grunt.renameTask('patch_wordpress', 'patch');
 
diff --git a/README.md b/README.md
index 952d037d37..5f6fc5951b 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,5 @@
 # WordPress
 
-[![Build Status](https://img.shields.io/travis/com/WordPress/wordpress-develop/master.svg)](https://travis-ci.com/WordPress/wordpress-develop)
-
 Welcome to the WordPress development repository! Please check out the [contributor handbook](https://make.wordpress.org/core/handbook/) for information about how to open bug reports, contribute patches, test changes, write documentation, or get involved in any way you can.
 
 * [Getting Started](#getting-started)
diff --git a/docker-compose.yml b/docker-compose.yml
index 9f598714d8..12f7772607 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -108,8 +108,6 @@ services:
       WP_MULTISITE: ${WP_MULTISITE-false}
       PHP_FPM_UID: ${PHP_FPM_UID-1000}
       PHP_FPM_GID: ${PHP_FPM_GID-1000}
-      TRAVIS_BRANCH: ${TRAVIS_BRANCH-false}
-      TRAVIS_PULL_REQUEST: ${TRAVIS_PULL_REQUEST-false}
       GITHUB_REF: ${GITHUB_REF-false}
       GITHUB_EVENT_NAME: ${GITHUB_EVENT_NAME-false}
 
diff --git a/phpcs.xml.dist b/phpcs.xml.dist
index 0aeda7b762..0f15b16849 100644
--- a/phpcs.xml.dist
+++ b/phpcs.xml.dist
@@ -96,7 +96,7 @@
 		</properties>
 	</rule>
 
-	<!-- Exclude the build folder in the current directory, as Travis puts the checkout in a build directory. -->
+	<!-- Exclude the build folder in the current directory. -->
 	<exclude-pattern type="relative">^build/*</exclude-pattern>
 
 	<!-- Directories and third party library exclusions. -->
diff --git a/tests/phpunit/includes/abstract-testcase.php b/tests/phpunit/includes/abstract-testcase.php
index 1c532b9372..886725addd 100644
--- a/tests/phpunit/includes/abstract-testcase.php
+++ b/tests/phpunit/includes/abstract-testcase.php
@@ -181,14 +181,10 @@ abstract class WP_UnitTestCase_Base extends PHPUnit\Framework\TestCase {
 	/**
 	 * Allow tests to be skipped on some automated runs.
 	 *
-	 * For test runs on Travis/GitHub Actions for something other than trunk/master,
+	 * For test runs on GitHub Actions for something other than trunk/master,
 	 * we want to skip tests that only need to run for master.
 	 */
 	public function skipOnAutomatedBranches() {
-		// https://docs.travis-ci.com/user/environment-variables/#Default-Environment-Variables
-		$travis_branch       = getenv( 'TRAVIS_BRANCH' );
-		$travis_pull_request = getenv( 'TRAVIS_PULL_REQUEST' );
-
 		// https://docs.github.com/en/free-pro-team@latest/actions/reference/environment-variables#default-environment-variables
 		$github_event_name = getenv( 'GITHUB_EVENT_NAME' );
 		$github_ref        = getenv( 'GITHUB_REF' );
@@ -200,11 +196,6 @@ abstract class WP_UnitTestCase_Base extends PHPUnit\Framework\TestCase {
 			if ( in_array( $github_event_name, $skipped, true ) || 'refs/heads/master' !== $github_ref ) {
 				$this->markTestSkipped( 'For automated test runs, this test is only run on trunk/master' );
 			}
-		} elseif ( $travis_branch && 'false' !== $travis_branch ) {
-			// We're on Travis CI.
-			if ( 'master' !== $travis_branch || 'false' !== $travis_pull_request ) {
-				$this->markTestSkipped( 'For automated test runs, this test is only run on trunk/master' );
-			}
 		}
 	}