diff --git a/homeassistant/helpers/llm.py b/homeassistant/helpers/llm.py
index dd380795227..fc00c4ebac6 100644
--- a/homeassistant/helpers/llm.py
+++ b/homeassistant/helpers/llm.py
@@ -254,7 +254,6 @@ class AssistAPI(API):
         prompt = [
             (
                 "When controlling Home Assistant always call the intent tools. "
-                "Do not pass the domain to the intent tools as a list. "
                 "Use HassTurnOn to lock and HassTurnOff to unlock a lock. "
                 "When controlling a device, prefer passing just its name and its domain "
                 "(what comes before the dot in its entity id). "
diff --git a/tests/helpers/test_llm.py b/tests/helpers/test_llm.py
index 9c07295dec7..9ad58441277 100644
--- a/tests/helpers/test_llm.py
+++ b/tests/helpers/test_llm.py
@@ -421,7 +421,6 @@ async def test_assist_api_prompt(
     )
     first_part_prompt = (
         "When controlling Home Assistant always call the intent tools. "
-        "Do not pass the domain to the intent tools as a list. "
         "Use HassTurnOn to lock and HassTurnOff to unlock a lock. "
         "When controlling a device, prefer passing just its name and its domain "
         "(what comes before the dot in its entity id). "