diff --git a/crates/beacon-worker/src/wasm/oidc.rs b/crates/beacon-worker/src/wasm/oidc.rs
index aced94c..da267a0 100644
--- a/crates/beacon-worker/src/wasm/oidc.rs
+++ b/crates/beacon-worker/src/wasm/oidc.rs
@@ -213,7 +213,6 @@ pub async fn handle_authorize(req: &Request, env: &Env) -> Result<Response> {
         let mut login = Url::parse(&format!("{}/login", jwt_issuer(env).await?))?;
         login
             .query_pairs_mut()
-            .append_pair("oidc", "1")
             .append_pair("client_id", &query.client_id)
             .append_pair("redirect_uri", &query.redirect_uri)
             .append_pair("scope", query.scope.as_deref().unwrap_or("openid"))
@@ -232,7 +231,6 @@ pub async fn handle_authorize(req: &Request, env: &Env) -> Result<Response> {
             let mut login = Url::parse(&format!("{}/login", jwt.issuer.trim_end_matches('/')))?;
             login
                 .query_pairs_mut()
-                .append_pair("oidc", "1")
                 .append_pair("client_id", &query.client_id)
                 .append_pair("redirect_uri", &query.redirect_uri)
                 .append_pair("scope", query.scope.as_deref().unwrap_or("openid"))
diff --git a/crates/beacon/src/handlers/oidc.rs b/crates/beacon/src/handlers/oidc.rs
index 795c484..36257b5 100644
--- a/crates/beacon/src/handlers/oidc.rs
+++ b/crates/beacon/src/handlers/oidc.rs
@@ -124,7 +124,6 @@ fn login_redirect(
     let mut login = Url::parse(&format!("{issuer}/login")).unwrap();
     login
         .query_pairs_mut()
-        .append_pair("oidc", "1")
         .append_pair("client_id", query.get("client_id").map(String::as_str).unwrap_or(""))
         .append_pair("redirect_uri", query.get("redirect_uri").map(String::as_str).unwrap_or(""))
         .append_pair("scope", query.get("scope").map(String::as_str).unwrap_or("openid"))
diff --git a/src/lib/minecraft-flow.ts b/src/lib/minecraft-flow.ts
index f085f11..5aed0c7 100644
--- a/src/lib/minecraft-flow.ts
+++ b/src/lib/minecraft-flow.ts
@@ -10,7 +10,6 @@ import { z } from 'zod';
  * with the code (the mod exchanges it at the token endpoint itself).
  */
 export const oidcSearchSchema = z.object({
-  oidc: z.literal('1').optional(),
   client_id: z.string().optional(),
   redirect_uri: z.string().optional(),
   scope: z.string().optional(),
@@ -26,8 +25,7 @@ export function isOidcFlow(
   params: OidcSearchParams,
 ): params is Required<OidcSearchParams> {
   return Boolean(
-    params.oidc === '1' &&
-      params.client_id &&
+    params.client_id &&
       params.redirect_uri &&
       params.code_challenge &&
       params.nonce,
diff --git a/src/router.tsx b/src/router.tsx
index b26867e..1e55eb8 100644
--- a/src/router.tsx
+++ b/src/router.tsx
@@ -4,9 +4,9 @@ import { routeTree } from './routeTree.gen';
 
 /**
  * TanStack Router's default `parseSearch` coerces query-string values into
- * booleans/numbers via `JSON.parse` (e.g. `oidc=1` becomes the number `1`).
- * The search-param schemas expect raw strings (e.g. `z.literal('1')`), so the
- * coercion makes validation fail. We keep every value a string.
+ * booleans/numbers via `JSON.parse` (e.g. `1` becomes the number `1`, `true`
+ * becomes the boolean `true`). The OIDC/OAuth search-param schemas expect raw
+ * strings, so we keep every value a string.
  */
 const parseSearch = parseSearchWith((value) => value);
 // The stringify parser must throw for plain strings so they stay unencoded;
diff --git a/src/routes/login.tsx b/src/routes/login.tsx
index 1c0d004..602cd1d 100644
--- a/src/routes/login.tsx
+++ b/src/routes/login.tsx
@@ -444,7 +444,6 @@ function LoginPage() {
                       <Link
                         to="/register"
                         search={{
-                          oidc: searchParams.oidc,
                           client_id: searchParams.client_id,
                           redirect_uri: searchParams.redirect_uri,
                           scope: searchParams.scope,
diff --git a/src/routes/register.tsx b/src/routes/register.tsx
index f21d61b..69ee50a 100644
--- a/src/routes/register.tsx
+++ b/src/routes/register.tsx
@@ -232,7 +232,6 @@ function RegisterPage() {
                   <Link
                     to="/login"
                     search={{
-                      oidc: searchParams.oidc,
                       client_id: searchParams.client_id,
                       redirect_uri: searchParams.redirect_uri,
                       scope: searchParams.scope,