diff --git a/.env.example b/.env.example
index eee3ee84..af51ebba 100644
--- a/.env.example
+++ b/.env.example
@@ -2,18 +2,9 @@
 VITE_API_URL=https://mvj.dev.hel.ninja/v1
 VITE_STORAGE_PREFIX=MVJ
 PORT=3000
-# Helsinki Tunnistamo (legacy)
-VITE_OPENID_CONNECT_API_TOKEN_KEY=https://api.hel.fi/auth/mvj
-VITE_OPENID_CONNECT_API_TOKEN_URL=https://api.hel.fi/sso/api-tokens/
-VITE_OPENID_CONNECT_AUTHORITY_URL=https://api.hel.fi/sso/openid/
-VITE_OPENID_CONNECT_CLIENT_ID=https://api.hel.fi/auth/mvj
-VITE_OPENID_CONNECT_SCOPE=openid profile mvj https://api.hel.fi/auth/mvj
 # Helsinki Tunnistus
 VITE_TUNNISTUS_OIDC_CLIENT_ID=mvj-admin-ui-dev
 VITE_TUNNISTUS_OIDC_AUTHORITY_URL=https://tunnistus.test.hel.ninja/auth/realms/helsinki-tunnistus
 VITE_TUNNISTUS_OIDC_SCOPE=openid profile
 VITE_TUNNISTUS_OIDC_API_AUDIENCE=mvj-api-dev
 VITE_TUNNISTUS_OIDC_API_TOKEN_URL=https://tunnistus.test.hel.ninja/auth/realms/helsinki-tunnistus/protocol/openid-connect/token
-# Use legacy Tunnistamo SSO, or Tunnistus SSO?
-# Options: "tunnistamo", "tunnistus"
-VITE_OIDC_PROVIDER=tunnistamo
diff --git a/README.md b/README.md
index a7f22fac..a724d4c8 100644
--- a/README.md
+++ b/README.md
@@ -34,10 +34,6 @@ You can log into the container to execute some commands like so:
 docker exec -it mvj-ui bash
 ```
 
-If you want to set up full integration with mvj backend and tunnistamo, check
-[here](https://github.com/City-of-Helsinki/mvj#connecting-to-tunnistamo)
-for the guidance.
-
 ## Usage w/o Docker
 
 
diff --git a/src/auth/constants.ts b/src/auth/constants.ts
index 019e05d3..18e90579 100644
--- a/src/auth/constants.ts
+++ b/src/auth/constants.ts
@@ -1,19 +1,5 @@
 import type { LoginProviderProps } from 'hds-react';
 
-type OidcProviderName = 'tunnistamo' | 'tunnistus';
-
-// Tunnistamo SSO (legacy)
-const loginProviderTunnistamoProperties: LoginProviderProps = {
-  userManagerSettings: {
-    authority: import.meta.env.VITE_OPENID_CONNECT_AUTHORITY_URL || 'https://api.hel.fi/sso/openid/',
-    client_id: import.meta.env.VITE_OPENID_CONNECT_CLIENT_ID || '',
-    scope: import.meta.env.VITE_OPENID_CONNECT_SCOPE || 'openid profile https://api.hel.fi/auth/mvj',
-    redirect_uri: `${location.origin}/callback`,
-  },
-  apiTokensClientSettings: { url: import.meta.env.VITE_OPENID_CONNECT_API_TOKEN_URL },
-  sessionPollerSettings: { pollIntervalInMs: 300000 } // 300000ms = 5min
-};
-
 // Tunnistus SSO
 const loginProviderTunnistusProperties: LoginProviderProps = {
   userManagerSettings: {
@@ -33,9 +19,6 @@ const loginProviderTunnistusProperties: LoginProviderProps = {
   sessionPollerSettings: { pollIntervalInMs: 300000 } // 300000ms = 5min
 };
 
-export const oidcProviderName: OidcProviderName = import.meta.env.VITE_OIDC_PROVIDER || 'tunnistus';
-// By default use Tunnistus SSO
-export const loginProviderProperties = oidcProviderName === 'tunnistamo' ? loginProviderTunnistamoProperties : loginProviderTunnistusProperties;
-const tunnistamoApiTokenKeyName: string = import.meta.env.VITE_OPENID_CONNECT_API_TOKEN_KEY || 'https://api.hel.fi/auth/mvj';
+export const loginProviderProperties = loginProviderTunnistusProperties;
 const tunnistusApiTokenKeyName: string = import.meta.env.VITE_TUNNISTUS_OIDC_API_AUDIENCE || 'mvj-api';
-export const apiTokenKeyName = oidcProviderName === 'tunnistamo' ? tunnistamoApiTokenKeyName : tunnistusApiTokenKeyName;
\ No newline at end of file
+export const apiTokenKeyName = tunnistusApiTokenKeyName;
\ No newline at end of file