diff --git a/website/server/libs/auth/index.js b/website/server/libs/auth/index.js
index 1a806ead3c..c629c33536 100644
--- a/website/server/libs/auth/index.js
+++ b/website/server/libs/auth/index.js
@@ -184,11 +184,7 @@ async function registerLocal (req, res, { isV3 = false }) {
     .remove({email: savedUser.auth.local.email})
     .then(() => {
       if (existingUser) return;
-      if (savedUser._ABtests && savedUser._ABtests.welcomeEmailSplit) {
-        sendTxnEmail(savedUser, savedUser._ABtests.welcomeEmailSplit);
-      } else {
-        sendTxnEmail(savedUser, 'welcome');
-      }
+      sendTxnEmail(savedUser, 'welcome-v2d');
     });
 
   if (!existingUser) {
diff --git a/website/server/libs/auth/social.js b/website/server/libs/auth/social.js
index 8ac649ab71..9c7558c290 100644
--- a/website/server/libs/auth/social.js
+++ b/website/server/libs/auth/social.js
@@ -89,11 +89,7 @@ async function loginSocial (req, res) {
       .exec()
       .then(() => {
         if (!existingUser) {
-          if (savedUser._ABtests && savedUser._ABtests.welcomeEmailSplit) {
-            sendTxnEmail(savedUser, savedUser._ABtests.welcomeEmailSplit);
-          } else {
-            sendTxnEmail(savedUser, 'welcome');
-          }
+          sendTxnEmail(savedUser, 'welcome-v2d');
         }
       }); // eslint-disable-line max-nested-callbacks
   }
diff --git a/website/server/models/user/hooks.js b/website/server/models/user/hooks.js
index 3d644c4302..5b2a4096ab 100644
--- a/website/server/models/user/hooks.js
+++ b/website/server/models/user/hooks.js
@@ -128,19 +128,6 @@ function _setUpNewUser (user) {
   user.items.quests.dustbunnies = 1;
   user.purchased.background.violet = true;
   user.preferences.background = 'violet';
-
-  const testGroup = Math.random();
-  if (testGroup < 0.2) {
-    user._ABtests.welcomeEmailSplit = 'welcome-v2';
-  } else if (testGroup < 0.4) {
-    user._ABtests.welcomeEmailSplit = 'welcome-v2b';
-  } else if (testGroup < 0.6) {
-    user._ABtests.welcomeEmailSplit = 'welcome-v2c';
-  } else if (testGroup < 0.8) {
-    user._ABtests.welcomeEmailSplit = 'welcome-v2d';
-  } else {
-    user._ABtests.welcomeEmailSplit = 'welcome';
-  }
   user.items.gear.owned.shield_special_piDay = true;
   user.items.gear.equipped.shield = 'shield_special_piDay';
   user.items.gear.costume.shield = 'shield_special_piDay';