diff --git a/homeassistant/components/remote_calendar/calendar.py b/homeassistant/components/remote_calendar/calendar.py
index 30cdd57e303b..a5bfbab09546 100644
--- a/homeassistant/components/remote_calendar/calendar.py
+++ b/homeassistant/components/remote_calendar/calendar.py
@@ -39,7 +39,7 @@ async def async_setup_entry(
     """Set up the remote calendar platform."""
     coordinator = entry.runtime_data
     entity = RemoteCalendarEntity(coordinator, entry)
-    async_add_entities([entity], True)
+    async_add_entities([entity])
 
 
 class RemoteCalendarEntity(
diff --git a/tests/components/remote_calendar/test_init.py b/tests/components/remote_calendar/test_init.py
index e1a14f9eca2f..0acfe5d15997 100644
--- a/tests/components/remote_calendar/test_init.py
+++ b/tests/components/remote_calendar/test_init.py
@@ -26,7 +26,7 @@ async def test_load_unload(
     hass: HomeAssistant, config_entry: MockConfigEntry, ics_content: str
 ) -> None:
     """Test loading and unloading a config entry."""
-    respx.get(CALENDER_URL).mock(
+    route = respx.get(CALENDER_URL).mock(
         return_value=Response(
             status_code=200,
             text=ics_content,
@@ -34,6 +34,8 @@ async def test_load_unload(
     )
     await setup_integration(hass, config_entry)
     assert config_entry.state is ConfigEntryState.LOADED
+    # the calendar is downloaded and parsed once for the whole setup
+    assert route.call_count == 1
 
     state = hass.states.get(TEST_ENTITY)
     assert state