diff --git a/src/services/context/supabaseTokenRegistry.ts b/src/services/context/supabaseTokenRegistry.ts
deleted file mode 100644
index 6415f0f..0000000
--- a/src/services/context/supabaseTokenRegistry.ts
+++ /dev/null
@@ -1,22 +0,0 @@
-/**
- * Stub for SupabaseTokenRegistry - not used in open source version
- * The private version uses this for backend API authentication.
- * In open source mode, all API calls go directly to OpenAI/Anthropic.
- */
-export class SupabaseTokenRegistry {
-  static async get(_key: string): Promise<string | null> {
-    return null;
-  }
-  
-  static getLast(_key: string): string | null {
-    return null;
-  }
-  
-  static set(_key: string, _value: string): void {
-    // No-op in OS version
-  }
-  
-  static delete(_key: string): void {
-    // No-op in OS version
-  }
-}