diff --git a/lib/commands/adduser.js b/lib/commands/adduser.js
index cf467b7a73a5e..29eb5acf870d6 100644
--- a/lib/commands/adduser.js
+++ b/lib/commands/adduser.js
@@ -28,6 +28,10 @@ class AddUser extends BaseCommand {
 
     log.disableProgress()
 
+    log.warn('adduser',
+      '`adduser` will be split into `login` and `register in a future version.'
+      + ' `adduser` will become an alias of `register`.'
+      + ' `login` (currently an alias) will become its own command.')
     log.notice('', `Log in on ${replaceInfo(registry)}`)
 
     const { message, newCreds } = await auth(this.npm, {
diff --git a/lib/utils/config/definitions.js b/lib/utils/config/definitions.js
index 6b35e7d4d05b4..f58a26768f551 100644
--- a/lib/utils/config/definitions.js
+++ b/lib/utils/config/definitions.js
@@ -239,12 +239,8 @@ define('audit-level', {
 define('auth-type', {
   default: 'legacy',
   type: ['legacy', 'webauthn', 'sso', 'saml', 'oauth'],
-  deprecated: `
-    The SSO/SAML/OAuth methods are deprecated and will be removed in
-    a future version of npm in favor of web-based login.
-  `,
   description: `
-    What authentication strategy to use with \`adduser\`/\`login\`.
+    What authentication strategy to use with \`login\`.
 
     Pass \`webauthn\` to use a web-based login.
   `,