diff --git a/aiocloudweather/conversion.py b/aiocloudweather/conversion.py
index ab5d93e..2d3eebb 100644
--- a/aiocloudweather/conversion.py
+++ b/aiocloudweather/conversion.py
@@ -39,12 +39,6 @@ def in_to_mm(length: float) -> float:
     return length * 25.4
 
 
-@unit(UnitOfIrradiance.WATTS_PER_SQUARE_METER)
-def lux_to_wm2(lux: float) -> float:
-    """Convert lux to watts per square meter (W/m²)."""
-    return lux * 0.0079
-
-
 @unit(UnitOfSpeed.METERS_PER_SECOND)
 def mph_to_ms(speed: float) -> float:
     """Convert miles per hour (mph) to meters per second (m/s)."""
@@ -68,13 +62,6 @@ def mm_to_in(length: float) -> float:
     """Convert millimeters (mm) to inches."""
     return length * 0.0393701
 
-
-@unit(LIGHT_LUX)
-def wm2_to_lux(lux: float) -> float:
-    """Convert watts per square meter (W/m²) to lux."""
-    return lux * 127
-
-
 @unit(UnitOfSpeed.MILES_PER_HOUR)
 def ms_to_mph(speed: float) -> float:
     """Convert meters per second (m/s) to miles per hour (mph)."""
diff --git a/aiocloudweather/station.py b/aiocloudweather/station.py
index dfef900..9d4fb40 100644
--- a/aiocloudweather/station.py
+++ b/aiocloudweather/station.py
@@ -154,7 +154,6 @@ class WeathercloudRawSensor:
     UnitOfPressure.INHG: inhg_to_hpa,
     UnitOfTemperature.FAHRENHEIT: fahrenheit_to_celsius,
     UnitOfPrecipitationDepth.INCHES: in_to_mm,
-    LIGHT_LUX: lux_to_wm2,
     UnitOfSpeed.MILES_PER_HOUR: mph_to_ms,
 }
 
@@ -162,7 +161,6 @@ class WeathercloudRawSensor:
     UnitOfPressure.HPA: hpa_to_inhg,
     UnitOfTemperature.CELSIUS: celsius_to_fahrenheit,
     UnitOfPrecipitationDepth.MILLIMETERS: mm_to_in,
-    UnitOfIrradiance.WATTS_PER_SQUARE_METER: wm2_to_lux,
     UnitOfSpeed.METERS_PER_SECOND: ms_to_mph,
 }