diff --git a/Resources.php b/Resources.php
index 81dafcb6..b06a8f17 100644
--- a/Resources.php
+++ b/Resources.php
@@ -17,7 +17,8 @@ $wgResourceModules['ext.uls.languagenames'] = array(
 );
 
 $wgResourceModules['ext.uls.messages'] = array(
-	'class' => 'ResourceLoaderULSJsonMessageModule'
+	'class' => 'ResourceLoaderULSJsonMessageModule',
+	'dependencies' => 'ext.uls.i18n',
 );
 
 $wgResourceModules['ext.uls.buttons'] = array(
@@ -28,11 +29,10 @@ $wgResourceModules['ext.uls.displaysettings'] = array(
 	'scripts' => 'resources/js/ext.uls.displaysettings.js',
 	'styles' => 'resources/css/ext.uls.displaysettings.css',
 	'dependencies' => array(
-		'ext.uls.buttons',
+		// Common dependencies come from languagesettings
 		'ext.uls.languagesettings',
-		'ext.uls.webfonts',
 		'ext.uls.mediawiki',
-		'jquery.i18n',
+		'ext.uls.webfonts',
 		'mediawiki.api.parse',
 	),
 ) + $resourcePaths;
@@ -47,6 +47,7 @@ $wgResourceModules['ext.uls.ime'] = array(
 		'ext.uls.init',
 		'ext.uls.preferences',
 		'ext.uls.mediawiki',
+		'ext.uls.messages',
 		'jquery.ime',
 	),
 	'messages' => array(
@@ -72,7 +73,6 @@ $wgResourceModules['ext.uls.init'] = array(
 		'jquery.client',
 		'jquery.json',
 		'jquery.cookie',
-		'ext.uls.messages',
 	),
 	'position' => 'top',
 ) + $resourcePaths;
@@ -94,12 +94,11 @@ $wgResourceModules['ext.uls.inputsettings'] = array(
 	'scripts' => 'resources/js/ext.uls.inputsettings.js',
 	'styles' => 'resources/css/ext.uls.inputsettings.css',
 	'dependencies' => array(
-		'ext.uls.buttons',
-		'ext.uls.languagesettings',
 		'ext.uls.ime',
+		// Common dependencies come from languagesettings
+		'ext.uls.languagesettings',
 		'ext.uls.mediawiki',
 		'jquery.ime',
-		'jquery.i18n',
 	),
 ) + $resourcePaths;
 
@@ -116,6 +115,9 @@ $wgResourceModules['ext.uls.interface'] = array(
 	),
 	'messages' => array(
 		'uls-plang-title-languages',
+		'ext-uls-select-language-settings-icon-tooltip',
+		'ext-uls-undo-language-tooltip-text',
+		'ext-uls-language-settings-preferences-link',
 	),
 	'position' => 'top',
 ) + $resourcePaths;
@@ -125,6 +127,7 @@ $wgResourceModules['ext.uls.languagesettings'] = array(
 	'styles' => 'resources/css/ext.uls.languagesettings.css',
 	'dependencies' => array(
 		'ext.uls.buttons',
+		'ext.uls.messages',
 		'ext.uls.preferences',
 		// The grid styles are used here,
 		// but ULS itself is lazy-loaded
@@ -203,7 +206,6 @@ $wgResourceModules['ext.uls.mediawiki'] = array(
 	'scripts' => 'resources/js/ext.uls.mediawiki.js',
 	'dependencies' => array(
 		'jquery.uls',
-		'jquery.i18n',
 		'mediawiki.util',
 		'ext.uls.init',
 		'ext.uls.languagenames',
diff --git a/UniversalLanguageSelector.i18n.php b/UniversalLanguageSelector.i18n.php
index bd805a53..edec0e3d 100644
--- a/UniversalLanguageSelector.i18n.php
+++ b/UniversalLanguageSelector.i18n.php
@@ -34,6 +34,9 @@ $messages['en'] = array(
 	'uls-plang-title-languages' => 'Languages',
 	'uls-ime-helppage' => 'https://www.mediawiki.org/wiki/Special:MyLanguage/Help:Extension:UniversalLanguageSelector/Input_methods/$1',
 	'uls-preference' => 'Enable the [https://www.mediawiki.org/wiki/Special:MyLanguage/Universal_Language_Selector Universal Language Selector]',
+	'ext-uls-select-language-settings-icon-tooltip' => 'Language settings',
+	'ext-uls-undo-language-tooltip-text' => 'Language changed from $1',
+	'ext-uls-language-settings-preferences-link' => 'More language settings',
 );
 
 /** Message documentation (Message documentation)
diff --git a/i18n/en.json b/i18n/en.json
index 61a7b816..0366fc87 100644
--- a/i18n/en.json
+++ b/i18n/en.json
@@ -11,8 +11,6 @@
 "ext-uls-display-settings-fonts-tab": "Fonts",
 "ext-uls-display-settings-title-short": "Display",
 "ext-uls-display-settings-desc": "Set language used for menus and fonts.",
-"ext-uls-select-language-settings-icon-tooltip": "Language settings",
-"ext-uls-undo-language-tooltip-text": "Language changed from $1",
 "ext-uls-language-settings-title": "Language settings",
 "ext-uls-language-settings-apply": "Apply settings",
 "ext-uls-language-settings-cancel": "Cancel",
@@ -47,6 +45,5 @@
 "ext-uls-input-disable-notification-undo": "Undo",
 "ext-uls-input-disable-notification-info-personal": "You can enable the input tools at any time from the language settings.",
 "ext-uls-input-disable-notification-info-interlanguage": "You can enable the input tools at any time from the language settings next to the language list.",
-"ext-uls-language-settings-applying": "Applying...",
-"ext-uls-language-settings-preferences-link": "More language settings"
+"ext-uls-language-settings-applying": "Applying..."
 }
diff --git a/resources/js/ext.uls.init.js b/resources/js/ext.uls.init.js
index a4a8d836..b2d769e5 100644
--- a/resources/js/ext.uls.init.js
+++ b/resources/js/ext.uls.init.js
@@ -40,11 +40,6 @@
 		}() );
 	}
 
-
-	var jsonLoader = null,
-		initialized = false,
-		currentLang = mw.config.get( 'wgUserLanguage' );
-
 	mw.uls = mw.uls || {};
 	mw.uls.previousLanguagesCookie = 'uls-previous-languages';
 	mw.uls.previousLanguageAutonymCookie = 'uls-previous-language-autonym';
@@ -230,33 +225,19 @@
 	}
 
 	/**
-	 * Initialize ULS front-end and its i18n.
+	 * Initialize ULS front-end if browser is supported.
 	 *
 	 * @param {Function} callback callback function to be called after initialization.
 	 */
 	mw.uls.init = function ( callback ) {
-
-		callback = callback || $.noop;
-
-		if ( initialized ) {
-			callback.call( this );
-
-			return;
-		}
-
 		if ( !isBrowserSupported() ) {
 			$( '#pt-uls' ).hide();
 
 			return;
 		}
 
-		if ( !jsonLoader ) {
-			jsonLoader = mw.uls.loadLocalization( currentLang );
-		} else {
-			jsonLoader.done( function () {
-				initialized = true;
-			} );
-			jsonLoader.done( callback );
+		if ( callback ) {
+			callback.call( this );
 		}
 	};
 
diff --git a/resources/js/ext.uls.interface.js b/resources/js/ext.uls.interface.js
index 5c790d30..11706a0b 100644
--- a/resources/js/ext.uls.interface.js
+++ b/resources/js/ext.uls.interface.js
@@ -231,7 +231,7 @@
 				// Get the html of the link by wrapping it in div first
 				link = $( '<div>' ).html( link ).html();
 
-				return $.i18n( 'ext-uls-undo-language-tooltip-text', link );
+				return mw.msg( 'ext-uls-undo-language-tooltip-text', link );
 			}
 		} );
 
@@ -342,7 +342,7 @@
 				}
 
 				$ulsTrigger.attr( {
-					title: $.i18n( 'ext-uls-select-language-settings-icon-tooltip' )
+					title: mw.msg( 'ext-uls-select-language-settings-icon-tooltip' )
 				} );
 
 				$ulsTrigger.on( 'click', function ( e, eventParams ) {
@@ -459,7 +459,7 @@
 
 			// Bind language settings to preferences page link
 			$( '#uls-preferences-link' )
-				.text( $.i18n( 'ext-uls-language-settings-preferences-link' ) )
+				.text( mw.msg( 'ext-uls-language-settings-preferences-link' ) )
 				.click( function () {
 					$ulsTrigger.trigger( 'click', {
 						source: 'preferences'