diff --git a/homeassistant/components/dsmr/sensor.py b/homeassistant/components/dsmr/sensor.py
index 2ff0a834e9e..8159d40d2d5 100644
--- a/homeassistant/components/dsmr/sensor.py
+++ b/homeassistant/components/dsmr/sensor.py
@@ -192,7 +192,7 @@ SENSORS: tuple[DSMRSensorEntityDescription, ...] = (
         key="short_power_failure_count",
         translation_key="short_power_failure_count",
         obis_reference=obis_references.SHORT_POWER_FAILURE_COUNT,
-        dsmr_versions={"2.2", "4", "5", "5B", "5L"},
+        dsmr_versions={"2.2", "4", "5", "5L"},
         entity_registry_enabled_default=False,
         icon="mdi:flash-off",
         entity_category=EntityCategory.DIAGNOSTIC,
@@ -201,7 +201,7 @@ SENSORS: tuple[DSMRSensorEntityDescription, ...] = (
         key="long_power_failure_count",
         translation_key="long_power_failure_count",
         obis_reference=obis_references.LONG_POWER_FAILURE_COUNT,
-        dsmr_versions={"2.2", "4", "5", "5B", "5L"},
+        dsmr_versions={"2.2", "4", "5", "5L"},
         entity_registry_enabled_default=False,
         icon="mdi:flash-off",
         entity_category=EntityCategory.DIAGNOSTIC,
@@ -210,7 +210,7 @@ SENSORS: tuple[DSMRSensorEntityDescription, ...] = (
         key="voltage_sag_l1_count",
         translation_key="voltage_sag_l1_count",
         obis_reference=obis_references.VOLTAGE_SAG_L1_COUNT,
-        dsmr_versions={"2.2", "4", "5", "5B", "5L"},
+        dsmr_versions={"2.2", "4", "5", "5L"},
         entity_registry_enabled_default=False,
         entity_category=EntityCategory.DIAGNOSTIC,
     ),
@@ -218,7 +218,7 @@ SENSORS: tuple[DSMRSensorEntityDescription, ...] = (
         key="voltage_sag_l2_count",
         translation_key="voltage_sag_l2_count",
         obis_reference=obis_references.VOLTAGE_SAG_L2_COUNT,
-        dsmr_versions={"2.2", "4", "5", "5B", "5L"},
+        dsmr_versions={"2.2", "4", "5", "5L"},
         entity_registry_enabled_default=False,
         entity_category=EntityCategory.DIAGNOSTIC,
     ),
@@ -226,7 +226,7 @@ SENSORS: tuple[DSMRSensorEntityDescription, ...] = (
         key="voltage_sag_l3_count",
         translation_key="voltage_sag_l3_count",
         obis_reference=obis_references.VOLTAGE_SAG_L3_COUNT,
-        dsmr_versions={"2.2", "4", "5", "5B", "5L"},
+        dsmr_versions={"2.2", "4", "5", "5L"},
         entity_registry_enabled_default=False,
         entity_category=EntityCategory.DIAGNOSTIC,
     ),
@@ -234,7 +234,7 @@ SENSORS: tuple[DSMRSensorEntityDescription, ...] = (
         key="voltage_swell_l1_count",
         translation_key="voltage_swell_l1_count",
         obis_reference=obis_references.VOLTAGE_SWELL_L1_COUNT,
-        dsmr_versions={"2.2", "4", "5", "5B", "5L"},
+        dsmr_versions={"2.2", "4", "5", "5L"},
         entity_registry_enabled_default=False,
         icon="mdi:pulse",
         entity_category=EntityCategory.DIAGNOSTIC,
@@ -243,7 +243,7 @@ SENSORS: tuple[DSMRSensorEntityDescription, ...] = (
         key="voltage_swell_l2_count",
         translation_key="voltage_swell_l2_count",
         obis_reference=obis_references.VOLTAGE_SWELL_L2_COUNT,
-        dsmr_versions={"2.2", "4", "5", "5B", "5L"},
+        dsmr_versions={"2.2", "4", "5", "5L"},
         entity_registry_enabled_default=False,
         icon="mdi:pulse",
         entity_category=EntityCategory.DIAGNOSTIC,
@@ -252,7 +252,7 @@ SENSORS: tuple[DSMRSensorEntityDescription, ...] = (
         key="voltage_swell_l3_count",
         translation_key="voltage_swell_l3_count",
         obis_reference=obis_references.VOLTAGE_SWELL_L3_COUNT,
-        dsmr_versions={"2.2", "4", "5", "5B", "5L"},
+        dsmr_versions={"2.2", "4", "5", "5L"},
         entity_registry_enabled_default=False,
         icon="mdi:pulse",
         entity_category=EntityCategory.DIAGNOSTIC,