diff --git a/modules/cookies_ga/cookies_ga.libraries.yml b/modules/cookies_ga/cookies_ga.libraries.yml
index f47a02c..9d6427a 100644
--- a/modules/cookies_ga/cookies_ga.libraries.yml
+++ b/modules/cookies_ga/cookies_ga.libraries.yml
@@ -2,3 +2,6 @@ analytics:
   version: VERSION
   js:
     js/cookies_ga.js: {}
+  dependencies:
+    - core/drupal
+    - core/drupalSettings
diff --git a/modules/cookies_ga/js/cookies_ga.js b/modules/cookies_ga/js/cookies_ga.js
index 242974e..b6c8bcb 100644
--- a/modules/cookies_ga/js/cookies_ga.js
+++ b/modules/cookies_ga/js/cookies_ga.js
@@ -2,7 +2,7 @@
  * @file
  * Defines Javascript behaviors for the cookies module.
  */
-(function (Drupal) {
+(function (Drupal, drupalSettings) {
   'use strict';
 
   /**
@@ -35,6 +35,20 @@
       }
     },
 
+    consentDenied: function () {
+      let account = drupalSettings.google_analytics.account;
+      let identifier = account.replace("G-", "");
+      let cookiesNames = [
+        '_ga',
+        '_gid',
+        '_ga_' + identifier,
+      ];
+      for (let inc in cookiesNames) {
+        let cname = cookiesNames[inc];
+        document.cookie = cname + '=; expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/; domain='+location.host;
+      }
+    },
+
     attach: function (context) {
       var self = this;
       document.addEventListener('cookiesjsrUserConsent', function (event) {
@@ -42,7 +56,10 @@
         if (typeof service.analytics !== 'undefined' && service.analytics) {
           self.consentGiven(context);
         }
+        else {
+          self.consentDenied(context);
+        }
       });
     }
   };
-})(Drupal);
+})(Drupal, drupalSettings);
diff --git a/modules/cookies_gtag/js/cookies_gtag.js b/modules/cookies_gtag/js/cookies_gtag.js
index 1ca5630..0899063 100644
--- a/modules/cookies_gtag/js/cookies_gtag.js
+++ b/modules/cookies_gtag/js/cookies_gtag.js
@@ -35,6 +35,31 @@
       }
     },
 
+    consentDenied: function () {
+      let cookiesNames = [
+        '_ga',
+        '_gid',
+      ];
+      let cookies = this.getCookies();
+      for (let k in cookies) {
+        let cookie = cookies[k].trim();
+        if (cookie.startsWith('_ga_')) {
+          let cookieName = cookie.split("=");
+          cookiesNames.push(cookieName[0]);
+        }
+      }
+      for (let inc in cookiesNames) {
+        let cname = cookiesNames[inc];
+        document.cookie = cname + '=; expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/; domain='+location.host;
+      }
+    },
+
+    getCookies: function () {
+      let cookie = document.cookie;
+      let cookies = cookie.split(";");
+      return cookies;
+    },
+
     attach: function (context) {
       var self = this;
       document.addEventListener('cookiesjsrUserConsent', function (event) {
@@ -42,6 +67,9 @@
         if (typeof service.gtag !== 'undefined' && service.gtag) {
           self.consentGiven(context);
         }
+        else {
+          self.consentDenied(context);
+        }
       });
     }
   };