diff --git a/packages/gateway/src/modules/bridge-spawner.ts b/packages/gateway/src/modules/bridge-spawner.ts
index 77d240c..6344eff 100644
--- a/packages/gateway/src/modules/bridge-spawner.ts
+++ b/packages/gateway/src/modules/bridge-spawner.ts
@@ -21,7 +21,6 @@ interface RunningBridge {
 }
 
 const runningBridges = new Map<string, RunningBridge>();
-const PROMPT_ARG = '__LLM_GATEWAY_PROMPT__';
 
 function extractCliContent(stdout: string): string {
   let lastAgentMessage = '';
@@ -55,11 +54,9 @@ async function runCli(
 ): Promise<{ success: boolean; content?: string; error?: string }> {
   return new Promise((resolve) => {
     try {
-      const finalArgs = args.map((arg) => arg === PROMPT_ARG ? prompt : arg);
-      const promptPassedAsArg = args.includes(PROMPT_ARG);
       const child = execFile(
         command,
-        finalArgs,
+        args as string[],
         { timeout: timeoutMs, maxBuffer: 10 * 1024 * 1024 },
         (err, stdout) => {
           if (err) {
@@ -69,7 +66,7 @@ async function runCli(
           }
         }
       );
-      if (child.stdin && !promptPassedAsArg) {
+      if (child.stdin) {
         child.stdin.write(prompt);
         child.stdin.end();
       }
@@ -94,21 +91,6 @@ function buildCliInvocation(desc: SubscriptionDescriptor, model?: string): { cmd
       return { cmd: 'gh', args: ['copilot', 'suggest', '--shell'] };
     }
     case 'inline-openai': {
-      if (desc.id === 'aider') {
-        const args = [
-          '--yes-always',
-          '--no-show-model-warnings',
-          '--no-check-update',
-          '--no-analytics',
-          '--no-pretty',
-          '--no-stream',
-          '--no-git',
-          '--no-gitignore',
-        ];
-        if (model && model !== 'aider-default') args.push('--model', model);
-        args.push('--message', PROMPT_ARG);
-        return { cmd: 'aider', args };
-      }
       // Generic OpenAI-compatible CLI (chatgpt-cli, gemini-cli with OpenAI compat)
       return { cmd: desc.command, args: model ? ['--model', model] : [] };
     }