diff --git a/src/Uno.UI/Extensions/DoubleExtensions.cs b/src/Uno.UI/Extensions/DoubleExtensions.cs
new file mode 100644
index 000000000000..f06d52342480
--- /dev/null
+++ b/src/Uno.UI/Extensions/DoubleExtensions.cs
@@ -0,0 +1,30 @@
+using System.Diagnostics.Contracts;
+using System.Runtime.CompilerServices;
+
+namespace Uno.Extensions
+{
+	internal static class DoubleExtensions
+	{
+		[Pure]
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
+		internal static bool IsFinite(this double value)
+		{
+#if !XAMARIN
+			return !double.IsInfinity(value) && !double.IsNaN(value);
+#else
+			return double.IsFinite(value);
+#endif
+		}
+
+		[Pure]
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
+		internal static bool IsFinite(this float value)
+		{
+#if !XAMARIN
+			return !float.IsInfinity(value) && !float.IsNaN(value);
+#else
+			return float.IsFinite(value);
+#endif
+		}
+	}
+}
diff --git a/src/Uno.UI/Microsoft/UI/Xaml/Controls/Repeater/FlowLayout.cs b/src/Uno.UI/Microsoft/UI/Xaml/Controls/Repeater/FlowLayout.cs
index b8dc6ba855c0..40711e1f1885 100644
--- a/src/Uno.UI/Microsoft/UI/Xaml/Controls/Repeater/FlowLayout.cs
+++ b/src/Uno.UI/Microsoft/UI/Xaml/Controls/Repeater/FlowLayout.cs
@@ -6,12 +6,8 @@
 using Windows.Foundation;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
+using Uno.Extensions;
 using static Microsoft.UI.Xaml.Controls._Tracing;
-#if !XAMARIN
-using _Float = Uno.UI.LayoutHelper;
-#else
-using _Float = System.Single;
-#endif
 
 namespace Microsoft.UI.Xaml.Controls
 {
@@ -227,7 +223,7 @@ protected virtual Rect GetExtent(
 					// If the available size is infinite, we will have realized all the items in one line.
 					// In that case, the extent in the non virtualizing direction should be based on the
 					// right/bottom of the last realized element.
-					SetMinorSize(ref extent, _Float.IsFinite(availableSizeMinor) ? availableSizeMinor : Math.Max(0.0f, MinorEnd(lastRealizedLayoutBounds)));
+					SetMinorSize(ref extent, availableSizeMinor.IsFinite() ? availableSizeMinor : Math.Max(0.0f, MinorEnd(lastRealizedLayoutBounds)));
 				}
 				else
 				{
@@ -236,7 +232,7 @@ protected virtual Rect GetExtent(
 					// We dont have anything realized. make an educated guess.
 					int numLines = (int)Math.Ceiling(itemsCount / averageItemsPerLine);
 					extent =
-						_Float.IsFinite(availableSizeMinor)
+						availableSizeMinor.IsFinite()
 							? MinorMajorRect(0, 0, availableSizeMinor, Math.Max(0.0f, (float)(numLines * averageLineSize - lineSpacing)))
 							: MinorMajorRect(
 								0,
diff --git a/src/Uno.UI/Microsoft/UI/Xaml/Controls/Repeater/FlowLayoutAlgorithm.cs b/src/Uno.UI/Microsoft/UI/Xaml/Controls/Repeater/FlowLayoutAlgorithm.cs
index 74e964932321..e1268ba76475 100644
--- a/src/Uno.UI/Microsoft/UI/Xaml/Controls/Repeater/FlowLayoutAlgorithm.cs
+++ b/src/Uno.UI/Microsoft/UI/Xaml/Controls/Repeater/FlowLayoutAlgorithm.cs
@@ -5,12 +5,8 @@
 using System.Collections.Specialized;
 using Windows.Foundation;
 using Windows.UI.Xaml;
+using Uno.Extensions;
 using static Microsoft.UI.Xaml.Controls._Tracing;
-#if !XAMARIN
-using _Double = Uno.UI.LayoutHelper;
-#else
-using _Double = System.Double;
-#endif
 
 namespace Microsoft.UI.Xaml.Controls
 {
@@ -391,7 +387,7 @@ void Generate(
 						{
 							// Does not fit, wrap to the previous row
 							var availableSizeMinor = Minor(availableSize);
-							SetMinorStart(ref currentBounds, _Double.IsFinite(availableSizeMinor) ? availableSizeMinor - Minor(desiredSize) : 0.0f);
+							SetMinorStart(ref currentBounds, availableSizeMinor.IsFinite() ? availableSizeMinor - Minor(desiredSize) : 0.0f);
 							SetMajorStart(ref currentBounds, lineOffset - Major(desiredSize) - (float)(lineSpacing));
 
 							if (lineNeedsReposition)
diff --git a/src/Uno.UI/Microsoft/UI/Xaml/Controls/Repeater/StackLayout.cs b/src/Uno.UI/Microsoft/UI/Xaml/Controls/Repeater/StackLayout.cs
index 60a5164d8bb4..1ee01b2a16cc 100644
--- a/src/Uno.UI/Microsoft/UI/Xaml/Controls/Repeater/StackLayout.cs
+++ b/src/Uno.UI/Microsoft/UI/Xaml/Controls/Repeater/StackLayout.cs
@@ -6,12 +6,8 @@
 using Windows.Foundation;
 using Windows.UI.Xaml;
 using Windows.UI.Xaml.Controls;
+using Uno.Extensions;
 using static Microsoft.UI.Xaml.Controls._Tracing;
-#if !XAMARIN
-using _Double = Uno.UI.LayoutHelper;
-#else
-using _Double = System.Double;
-#endif
 
 namespace Microsoft.UI.Xaml.Controls
 {
@@ -227,7 +223,7 @@ Size IFlowLayoutAlgorithmDelegates.Algorithm_GetProvisionalArrangeSize(int index
 		{
 			var measureSizeMinor = Minor(measureSize);
 			return MinorMajorSize(
-				(float) (_Double.IsFinite(measureSizeMinor) ? Math.Max(measureSizeMinor, Minor(desiredSize)) : Minor(desiredSize)),
+				(float) (measureSizeMinor.IsFinite() ? Math.Max(measureSizeMinor, Minor(desiredSize)) : Minor(desiredSize)),
 				(float) Major(desiredSize));
 		}
 
diff --git a/src/Uno.UI/UI/LayoutHelper.cs b/src/Uno.UI/UI/LayoutHelper.cs
index 13271045c9c0..76470ebe6de9 100644
--- a/src/Uno.UI/UI/LayoutHelper.cs
+++ b/src/Uno.UI/UI/LayoutHelper.cs
@@ -4,7 +4,6 @@
 using Windows.Foundation;
 using Windows.UI.Xaml;
 using static System.Double;
-using static System.Math;
 
 namespace Uno.UI
 {
@@ -261,16 +260,6 @@ internal static Size NumberOrDefault(this Size value, Size defaultValue)
 			);
 		}
 
-#if !XAMARIN
-		[Pure]
-		internal static bool IsFinite(this double value)
-			=> !IsInfinity(value) && !IsNaN(value);
-
-		[Pure]
-		internal static bool IsFinite(this float value)
-			=> !float.IsInfinity(value) && !float.IsNaN(value);
-#endif
-
 		[Pure]
 		internal static double FiniteOrDefault(this double value, double defaultValue)
 		{
diff --git a/src/Uno.UI/UI/Xaml/Controls/Primitives/LoopingSelector/LoopingSelector_Partial.cs b/src/Uno.UI/UI/Xaml/Controls/Primitives/LoopingSelector/LoopingSelector_Partial.cs
index 08c21a7a76e9..4627f06161ef 100644
--- a/src/Uno.UI/UI/Xaml/Controls/Primitives/LoopingSelector/LoopingSelector_Partial.cs
+++ b/src/Uno.UI/UI/Xaml/Controls/Primitives/LoopingSelector/LoopingSelector_Partial.cs
@@ -10,6 +10,7 @@
 using Windows.UI.Xaml.Automation.Peers;
 using Windows.UI.Xaml.Input;
 using Windows.UI.Xaml.Media;
+using Uno.Extensions;
 using Uno.UI;
 
 namespace Windows.UI.Xaml.Controls.Primitives