diff --git a/homeassistant/components/asuswrt/config_flow.py b/homeassistant/components/asuswrt/config_flow.py
index 0ffa674e054ec8224356de7c19ca5fbe9c78ff57..c48ea4d57feefc7140fc0791fc5997709a41100f 100644
--- a/homeassistant/components/asuswrt/config_flow.py
+++ b/homeassistant/components/asuswrt/config_flow.py
@@ -49,12 +49,7 @@ _LOGGER = logging.getLogger(__name__)
 def _is_file(value) -> bool:
     """Validate that the value is an existing file."""
     file_in = os.path.expanduser(str(value))
-
-    if not os.path.isfile(file_in):
-        return False
-    if not os.access(file_in, os.R_OK):
-        return False
-    return True
+    return os.path.isfile(file_in) and os.access(file_in, os.R_OK)
 
 
 def _get_ip(host):
diff --git a/homeassistant/components/asuswrt/sensor.py b/homeassistant/components/asuswrt/sensor.py
index a9a005b9837ac24278d1ec57ff37da1c41690e73..287ea3e893845a128ffb09d2c6ca44e8991bfef4 100644
--- a/homeassistant/components/asuswrt/sensor.py
+++ b/homeassistant/components/asuswrt/sensor.py
@@ -161,7 +161,6 @@ class AsusWrtSensor(CoordinatorEntity, SensorEntity):
         """Return current state."""
         descr = self.entity_description
         state = self.coordinator.data.get(descr.key)
-        if state is not None:
-            if descr.factor and isinstance(state, Number):
-                return round(state / descr.factor, descr.precision)
+        if state is not None and descr.factor and isinstance(state, Number):
+            return round(state / descr.factor, descr.precision)
         return state