diff --git a/homeassistant/helpers/service.py b/homeassistant/helpers/service.py
index f9c846c60fa..d1d0f9bd378 100644
--- a/homeassistant/helpers/service.py
+++ b/homeassistant/helpers/service.py
@@ -1134,13 +1134,7 @@ def async_register_entity_service(
     if schema is None or isinstance(schema, dict):
         schema = cv.make_entity_service_schema(schema)
     elif not cv.is_entity_service_schema(schema):
-        from .frame import ReportBehavior, report_usage  # noqa: PLC0415
-
-        report_usage(
-            "registers an entity service with a non entity service schema",
-            core_behavior=ReportBehavior.LOG,
-            breaks_in_ha_version="2025.9",
-        )
+        raise HomeAssistantError("The schema is not an entity service schema")
 
     service_func: str | HassJob[..., Any]
     service_func = func if isinstance(func, str) else HassJob(func)
diff --git a/tests/helpers/test_entity_component.py b/tests/helpers/test_entity_component.py
index 20c243d0701..aa86215eea1 100644
--- a/tests/helpers/test_entity_component.py
+++ b/tests/helpers/test_entity_component.py
@@ -560,11 +560,11 @@ async def test_register_entity_service(
 
 
 async def test_register_entity_service_non_entity_service_schema(
-    hass: HomeAssistant, caplog: pytest.LogCaptureFixture
+    hass: HomeAssistant,
 ) -> None:
     """Test attempting to register a service with a non entity service schema."""
     component = EntityComponent(_LOGGER, DOMAIN, hass)
-    expected_message = "registers an entity service with a non entity service schema"
+    expected_message = "The schema is not an entity service schema"
 
     for idx, schema in enumerate(
         (
@@ -573,9 +573,8 @@ async def test_register_entity_service_non_entity_service_schema(
             vol.Any(vol.Schema({"some": str})),
         )
     ):
-        component.async_register_entity_service(f"hello_{idx}", schema, Mock())
-        assert expected_message in caplog.text
-        caplog.clear()
+        with pytest.raises(HomeAssistantError, match=expected_message):
+            component.async_register_entity_service(f"hello_{idx}", schema, Mock())
 
     for idx, schema in enumerate(
         (
@@ -585,7 +584,6 @@ async def test_register_entity_service_non_entity_service_schema(
         )
     ):
         component.async_register_entity_service(f"test_service_{idx}", schema, Mock())
-        assert expected_message not in caplog.text
 
 
 async def test_register_entity_service_response_data(hass: HomeAssistant) -> None:
diff --git a/tests/helpers/test_entity_platform.py b/tests/helpers/test_entity_platform.py
index 53331b676fe..47f3857283a 100644
--- a/tests/helpers/test_entity_platform.py
+++ b/tests/helpers/test_entity_platform.py
@@ -1878,13 +1878,13 @@ async def test_register_entity_service_none_schema(
 
 
 async def test_register_entity_service_non_entity_service_schema(
-    hass: HomeAssistant, caplog: pytest.LogCaptureFixture
+    hass: HomeAssistant,
 ) -> None:
     """Test attempting to register a service with a non entity service schema."""
     entity_platform = MockEntityPlatform(
         hass, domain="mock_integration", platform_name="mock_platform", platform=None
     )
-    expected_message = "registers an entity service with a non entity service schema"
+    expected_message = "The schema is not an entity service schema"
 
     for idx, schema in enumerate(
         (
@@ -1893,9 +1893,10 @@ async def test_register_entity_service_non_entity_service_schema(
             vol.Any(vol.Schema({"some": str})),
         )
     ):
-        entity_platform.async_register_entity_service(f"hello_{idx}", schema, Mock())
-        assert expected_message in caplog.text
-        caplog.clear()
+        with pytest.raises(HomeAssistantError, match=expected_message):
+            entity_platform.async_register_entity_service(
+                f"hello_{idx}", schema, Mock()
+            )
 
     for idx, schema in enumerate(
         (
@@ -1907,7 +1908,6 @@ async def test_register_entity_service_non_entity_service_schema(
         entity_platform.async_register_entity_service(
             f"test_service_{idx}", schema, Mock()
         )
-        assert expected_message not in caplog.text
 
 
 @pytest.mark.parametrize("update_before_add", [True, False])