diff --git a/.env.example b/.env.example
index ef31757..776328d 100644
--- a/.env.example
+++ b/.env.example
@@ -28,11 +28,6 @@ BETTER_AUTH_URL=http://localhost:3000
 # Optional comma-separated list of additional trusted origins for Better Auth.
 # Example: BETTER_AUTH_TRUSTED_ORIGINS=http://localhost:3000,http://127.0.0.1:3000
 # BETTER_AUTH_TRUSTED_ORIGINS=
-# On Railway production environments:
-# - Set BETTER_AUTH_URL to your primary public origin, for example https://finance.example.com
-# - Set BETTER_AUTH_TRUSTED_ORIGINS to every live auth origin, for example
-#   https://app.example.com,https://app-production-1234.up.railway.app
-# - Do not include localhost origins in Railway production variables
 
 # Optional agent request limit overrides.
 # Safe defaults are enabled in code even when these remain commented out.
diff --git a/railway.json b/railway.json
deleted file mode 100644
index f9f7d2e..0000000
--- a/railway.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-  "$schema": "https://railway.com/railway.schema.json",
-  "deploy": {
-    "runtime": "V2",
-    "startCommand": "pnpm start",
-    "preDeployCommand": "pnpm auth:migrate && pnpm threads:migrate && pnpm markets:migrate",
-    "healthcheckPath": "/sign-in",
-    "restartPolicyType": "ON_FAILURE",
-    "restartPolicyMaxRetries": 10
-  }
-}
diff --git a/src/lib/server/auth.ts b/src/lib/server/auth.ts
index da10b4e..0756f47 100644
--- a/src/lib/server/auth.ts
+++ b/src/lib/server/auth.ts
@@ -15,7 +15,6 @@ const AUTH_DEFAULT_RATE_LIMIT_MAX_REQUESTS = 100
 const AUTH_CREDENTIAL_RATE_LIMIT_WINDOW_SECONDS = 15 * 60
 const AUTH_CREDENTIAL_RATE_LIMIT_MAX_REQUESTS = 5
 const THIRTY_DAYS_IN_SECONDS = 60 * 60 * 24 * 30
-const RAILWAY_URL_ENV_NAME_PATTERN = /^RAILWAY_SERVICE_.+_URL$/
 const VERCEL_ENV = "VERCEL_ENV" as const
 const VERCEL_BRANCH_URL_ENV = "VERCEL_BRANCH_URL" as const
 const VERCEL_URL_ENV = "VERCEL_URL" as const
@@ -146,10 +145,6 @@ function getTrustedOrigins(baseUrl: string): string[] {
     }
   }
 
-  for (const origin of getRailwayOrigins()) {
-    trustedOrigins.add(origin)
-  }
-
   return [...trustedOrigins]
 }
 
@@ -171,33 +166,6 @@ function normalizeOrigin(value: string): string | null {
   }
 }
 
-function getRailwayOrigins(): string[] {
-  const railwayOriginCandidates = Object.entries(process.env)
-    .filter(
-      ([name, value]) =>
-        Boolean(value) &&
-        (name === "RAILWAY_PUBLIC_DOMAIN" ||
-          name === "RAILWAY_STATIC_URL" ||
-          RAILWAY_URL_ENV_NAME_PATTERN.test(name))
-    )
-    .map(([, value]) => value)
-
-  const railwayOrigins = new Set<string>()
-
-  for (const originCandidate of railwayOriginCandidates) {
-    if (!originCandidate) {
-      continue
-    }
-
-    const normalizedOrigin = normalizeOrigin(originCandidate)
-    if (normalizedOrigin) {
-      railwayOrigins.add(normalizedOrigin)
-    }
-  }
-
-  return [...railwayOrigins]
-}
-
 function getAllowedHosts(trustedOrigins: string[]): string[] {
   const allowedHosts = new Set<string>()