diff --git a/extension.json b/extension.json
index 0b32e968..e2282849 100644
--- a/extension.json
+++ b/extension.json
@@ -159,8 +159,7 @@
 			"dependencies": [
 				"mediawiki.api",
 				"mediawiki.api.options",
-				"mediawiki.cookie",
-				"jquery.cookie"
+				"mediawiki.cookie"
 			],
 			"position": "top",
 			"localBasePath": "resources",
diff --git a/resources/js/ext.uls.init.js b/resources/js/ext.uls.init.js
index c7178688..b0d989b9 100644
--- a/resources/js/ext.uls.init.js
+++ b/resources/js/ext.uls.init.js
@@ -81,16 +81,7 @@
 	};
 
 	mw.uls.getPreviousLanguages = function () {
-		var previousLanguages = $.cookie( mw.uls.previousLanguagesStorageKey );
-
-		$.removeCookie( mw.uls.previousLanguagesStorageKey, { path: '/' } );
-
-		if ( $.isArray( previousLanguages ) ) {
-			// Migrate data from cookie to localStorage.
-			mw.uls.setPreviousLanguages( previousLanguages );
-		} else {
-			previousLanguages = [];
-		}
+		var previousLanguages = [];
 
 		try {
 			previousLanguages.push.apply(