diff --git a/homeassistant/components/fastdotcom/__init__.py b/homeassistant/components/fastdotcom/__init__.py
index e872c3f501d..06c5fc7036a 100644
--- a/homeassistant/components/fastdotcom/__init__.py
+++ b/homeassistant/components/fastdotcom/__init__.py
@@ -31,15 +31,16 @@ CONFIG_SCHEMA = vol.Schema(
 )
 
 
-async def async_setup_platform(hass: HomeAssistant, config: ConfigType) -> bool:
+async def async_setup(hass: HomeAssistant, config: ConfigType) -> bool:
     """Set up the Fast.com component. (deprecated)."""
-    hass.async_create_task(
-        hass.config_entries.flow.async_init(
-            DOMAIN,
-            context={"source": SOURCE_IMPORT},
-            data=config[DOMAIN],
+    if DOMAIN in config:
+        hass.async_create_task(
+            hass.config_entries.flow.async_init(
+                DOMAIN,
+                context={"source": SOURCE_IMPORT},
+                data=config[DOMAIN],
+            )
         )
-    )
     return True