diff --git a/homeassistant/components/nam/button.py b/homeassistant/components/nam/button.py
index a5521596208..a280369e7c8 100644
--- a/homeassistant/components/nam/button.py
+++ b/homeassistant/components/nam/button.py
@@ -23,7 +23,6 @@ _LOGGER = logging.getLogger(__name__)
 
 RESTART_BUTTON: ButtonEntityDescription = ButtonEntityDescription(
     key="restart",
-    translation_key="restart",
     device_class=ButtonDeviceClass.RESTART,
     entity_category=EntityCategory.CONFIG,
 )
diff --git a/homeassistant/components/nam/sensor.py b/homeassistant/components/nam/sensor.py
index 3f9821a1e34..3c0b8bc9ba4 100644
--- a/homeassistant/components/nam/sensor.py
+++ b/homeassistant/components/nam/sensor.py
@@ -338,7 +338,6 @@ SENSORS: tuple[NAMSensorEntityDescription, ...] = (
     ),
     NAMSensorEntityDescription(
         key=ATTR_SIGNAL_STRENGTH,
-        translation_key="signal_strength",
         suggested_display_precision=0,
         native_unit_of_measurement=SIGNAL_STRENGTH_DECIBELS_MILLIWATT,
         device_class=SensorDeviceClass.SIGNAL_STRENGTH,
diff --git a/homeassistant/components/nam/strings.json b/homeassistant/components/nam/strings.json
index e60855b882c..e443a398984 100644
--- a/homeassistant/components/nam/strings.json
+++ b/homeassistant/components/nam/strings.json
@@ -39,11 +39,6 @@
     }
   },
   "entity": {
-    "button": {
-      "restart": {
-        "name": "[%key:component::button::entity_component::restart::name%]"
-      }
-    },
     "sensor": {
       "bme280_humidity": {
         "name": "BME280 humidity"
@@ -153,9 +148,6 @@
       "dht22_temperature": {
         "name": "DHT22 temperature"
       },
-      "signal_strength": {
-        "name": "[%key:component::sensor::entity_component::signal_strength::name%]"
-      },
       "last_restart": {
         "name": "Last restart"
       }