diff --git a/src/agents/system-prompt.ts b/src/agents/system-prompt.ts
index 4260c96ab..b952fed4e 100644
--- a/src/agents/system-prompt.ts
+++ b/src/agents/system-prompt.ts
@@ -17,6 +17,7 @@ function buildSkillsSection(params: {
   isMinimal: boolean;
   readToolName: string;
 }) {
+  if (params.isMinimal) return [];
   const trimmed = params.skillsPrompt?.trim();
   if (!trimmed) return [];
   return [