diff --git a/src/Uno.UI/LinkerDefinition.Wasm.xml b/src/Uno.UI/LinkerDefinition.Wasm.xml
index 945981f69999..f867538d5037 100644
--- a/src/Uno.UI/LinkerDefinition.Wasm.xml
+++ b/src/Uno.UI/LinkerDefinition.Wasm.xml
@@ -54,9 +54,6 @@
 	<type fullname="Windows.Devices.Sensors.Magnetometer">
 	  <method name="DispatchReading" />
 	</type>
-    <type fullname="Windows.Devices.Sensors.LightSensor">
-      <method name="DispatchReading" />
-    </type>
     <type fullname="Windows.Networking.Connectivity.NetworkInformation">
 	  <method name="DispatchStatusChanged" />
 	</type>
diff --git a/src/Uno.UWP/Devices/Sensors/LightSensor.cs b/src/Uno.UWP/Devices/Sensors/LightSensor.cs
index e5f54b8fa827..924ef1d6bb4a 100644
--- a/src/Uno.UWP/Devices/Sensors/LightSensor.cs
+++ b/src/Uno.UWP/Devices/Sensors/LightSensor.cs
@@ -2,6 +2,7 @@
 #nullable enable
 
 using System;
+using System.Diagnostics.CodeAnalysis;
 using Uno.Helpers;
 using Windows.Foundation;
 
@@ -17,6 +18,9 @@ public partial class LightSensor
 
 		private readonly StartStopEventWrapper<TypedEventHandler<LightSensor, LightSensorReadingChangedEventArgs>> _readingChangedWrapper;
 
+#if __WASM__
+		[DynamicDependency(nameof(DispatchReading))]
+#endif
 		private LightSensor()
 		{
 			_readingChangedWrapper = new StartStopEventWrapper<TypedEventHandler<LightSensor, LightSensorReadingChangedEventArgs>>(
diff --git a/src/Uno.UWP/Devices/Sensors/LightSensor.wasm.cs b/src/Uno.UWP/Devices/Sensors/LightSensor.wasm.cs
index 1a65281316e2..7efd2bef0271 100644
--- a/src/Uno.UWP/Devices/Sensors/LightSensor.wasm.cs
+++ b/src/Uno.UWP/Devices/Sensors/LightSensor.wasm.cs
@@ -32,7 +32,6 @@ private void StopReading()
 			Uno.Foundation.WebAssemblyRuntime.InvokeJS(command);
 		}
 
-		[Preserve]
 		public static int DispatchReading(float lux)
 		{
 			var reading = new LightSensorReading(lux, DateTimeOffset.UtcNow);