diff --git a/src/ClaudeDo.Worker/Runner/TaskRunner.cs b/src/ClaudeDo.Worker/Runner/TaskRunner.cs
index c4ba07e..97b4b6d 100644
--- a/src/ClaudeDo.Worker/Runner/TaskRunner.cs
+++ b/src/ClaudeDo.Worker/Runner/TaskRunner.cs
@@ -380,10 +380,9 @@ public sealed class TaskRunner
         }
 
         var systemFile = PromptFiles.ReadOrNull(PromptKind.System);
-        var agentFile = PromptFiles.ReadOrNull(PromptKind.Agent);
 
         var instructions = MergeInstructions(
-            systemFile, global.DefaultClaudeInstructions, listConfig?.SystemPrompt, task.SystemPrompt, agentFile);
+            systemFile, global.DefaultClaudeInstructions, listConfig?.SystemPrompt, task.SystemPrompt);
 
         return new ClaudeRunConfig(
             Model: task.Model ?? listConfig?.Model ?? global.DefaultModel,