diff --git a/extension.json b/extension.json
index a9c33f06..6d36a491 100644
--- a/extension.json
+++ b/extension.json
@@ -143,10 +143,6 @@
 	},
 	"ResourceModules": {
 		"ext.uls.common": {
-			"targets": [
-				"desktop",
-				"mobile"
-			],
 			"scripts": [
 				"js/ext.uls.common.js"
 			],
@@ -219,10 +215,6 @@
 			]
 		},
 		"ext.uls.i18n": {
-			"targets": [
-				"desktop",
-				"mobile"
-			],
 			"scripts": "js/ext.uls.i18n.js",
 			"dependencies": [
 				"jquery.i18n",
@@ -230,7 +222,6 @@
 			]
 		},
 		"ext.uls.interface": {
-			"targets": [ "desktop", "mobile" ],
 			"packageFiles": [
 				"js/ext.uls.interface.js",
 				"js/ext.uls.launch.js",
@@ -263,7 +254,6 @@
 			]
 		},
 		"ext.uls.interlanguage": {
-			"targets": [ "desktop", "mobile" ],
 			"styles": "css/ext.uls.interlanguage.less"
 		},
 		"ext.uls.languagenames": {
@@ -279,10 +269,6 @@
 			]
 		},
 		"ext.uls.mediawiki": {
-			"targets": [
-				"desktop",
-				"mobile"
-			],
 			"scripts": "js/ext.uls.mediawiki.js",
 			"dependencies": [
 				"ext.uls.common",
@@ -299,10 +285,6 @@
 			"dependencies": "ext.uls.i18n"
 		},
 		"ext.uls.preferences": {
-			"targets": [
-				"desktop",
-				"mobile"
-			],
 			"scripts": "js/ext.uls.preferences.js",
 			"dependencies": [
 				"mediawiki.api",
@@ -314,7 +296,6 @@
 			"styles": "css/ext.uls.preferencespage.less"
 		},
 		"ext.uls.pt": {
-			"targets": [ "desktop", "mobile" ],
 			"styles": "css/ext.uls.pt.less",
 			"skinStyles": {
 				"default": [
@@ -357,7 +338,6 @@
 			]
 		},
 		"ext.uls.webfonts": {
-			"targets": [ "desktop", "mobile" ],
 			"scripts": "js/ext.uls.webfonts.js",
 			"dependencies": [
 				"ext.uls.preferences",
@@ -368,10 +348,6 @@
 			"scripts": [
 				"../lib/jquery.webfonts/src/jquery.webfonts.js",
 				"js/ext.uls.webfonts.repository.js"
-			],
-			"targets": [
-				"desktop",
-				"mobile"
 			]
 		},
 		"jquery.ime": {
@@ -381,10 +357,6 @@
 			"remoteExtPath": "UniversalLanguageSelector/lib"
 		},
 		"jquery.uls": {
-			"targets": [
-				"desktop",
-				"mobile"
-			],
 			"scripts": [
 				"jquery.uls/src/jquery.uls.core.js",
 				"jquery.uls/src/jquery.uls.lcd.js",
@@ -407,18 +379,10 @@
 				"jquery.uls/src/jquery.uls.data.js",
 				"jquery.uls/src/jquery.uls.data.utils.js"
 			],
-			"targets": [
-				"desktop",
-				"mobile"
-			],
 			"localBasePath": "lib",
 			"remoteExtPath": "UniversalLanguageSelector/lib"
 		},
 		"jquery.uls.grid": {
-			"targets": [
-				"desktop",
-				"mobile"
-			],
 			"styles": "jquery.uls/css/jquery.uls.grid.css",
 			"localBasePath": "lib",
 			"remoteExtPath": "UniversalLanguageSelector/lib"
diff --git a/includes/ResourceLoaderULSJsonMessageModule.php b/includes/ResourceLoaderULSJsonMessageModule.php
index ab3a4399..7001efbd 100644
--- a/includes/ResourceLoaderULSJsonMessageModule.php
+++ b/includes/ResourceLoaderULSJsonMessageModule.php
@@ -28,14 +28,6 @@ class ResourceLoaderULSJsonMessageModule extends Module {
 		return [ 'ext.uls.i18n' ];
 	}
 
-	/**
-	 * Get supported mobile targets
-	 * @return string[] supported targets
-	 */
-	public function getTargets() {
-		return [ 'desktop', 'mobile' ];
-	}
-
 	/**
 	 * @suppress PhanParamSignatureRealMismatchParamType, UnusedSuppression -- T308443
 	 * @param Context $context
diff --git a/includes/ResourceLoaderULSModule.php b/includes/ResourceLoaderULSModule.php
index 3b2ac66b..e87ab7f0 100644
--- a/includes/ResourceLoaderULSModule.php
+++ b/includes/ResourceLoaderULSModule.php
@@ -31,9 +31,6 @@ use MediaWiki\ResourceLoader\ResourceLoader;
  * ResourceLoader module for UniversalLanguageSelector
  */
 class ResourceLoaderULSModule extends Module {
-	/** @var string[] */
-	protected $targets = [ 'desktop', 'mobile' ];
-
 	/**
 	 * Get all the dynamic data for the content language to an array.
 	 *
diff --git a/tests/phpunit/ResourceLoaderULSJsonMessageModuleTest.php b/tests/phpunit/ResourceLoaderULSJsonMessageModuleTest.php
index 7446b53b..7baaceaa 100644
--- a/tests/phpunit/ResourceLoaderULSJsonMessageModuleTest.php
+++ b/tests/phpunit/ResourceLoaderULSJsonMessageModuleTest.php
@@ -21,7 +21,6 @@ class ResourceLoaderULSJsonMessageModuleTest extends \PHPUnit\Framework\TestCase
 			->willReturn( 'en' );
 
 		$this->assertContainsOnly( 'string', $instance->getDependencies(), 'dependencies' );
-		$this->assertContainsOnly( 'string', $instance->getTargets(), 'targets' );
 
 		$summary = $instance->getDefinitionSummary( $context );
 		$lastElement = end( $summary );