diff --git a/src/QuartzComposer/QCComposition.cs b/src/QuartzComposer/QCComposition.cs
new file mode 100644
index 00000000000..f3bbc93c425
--- /dev/null
+++ b/src/QuartzComposer/QCComposition.cs
@@ -0,0 +1,49 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+using System;
+using System.ComponentModel;
+
+using Foundation;
+using ObjCRuntime;
+
+#nullable enable
+
+namespace QuartzComposer;
+
+partial class QCComposition {
+#if !XAMCORE_5_0
+	[BindingImpl (BindingImplOptions.GeneratedCode | BindingImplOptions.Optimizable)]
+	[ObsoletedOSPlatform ("macos10.14", "Use 'Metal' instead.")]
+	[SupportedOSPlatform ("macos")]
+	[EditorBrowsable (EditorBrowsableState.Never)]
+	[Obsolete ("This field is always null.")]
+	public static NSString? InputRSSArticleDurationKey {
+		[ObsoletedOSPlatform ("macos10.14", "Use 'Metal' instead.")]
+		[SupportedOSPlatform ("macos")]
+		get => null;
+	}
+
+	[BindingImpl (BindingImplOptions.GeneratedCode | BindingImplOptions.Optimizable)]
+	[ObsoletedOSPlatform ("macos10.14", "Use 'Metal' instead.")]
+	[SupportedOSPlatform ("macos")]
+	[EditorBrowsable (EditorBrowsableState.Never)]
+	[Obsolete ("This field is always null.")]
+	public static NSString? InputRSSFeedURLKey {
+		[ObsoletedOSPlatform ("macos10.14", "Use 'Metal' instead.")]
+		[SupportedOSPlatform ("macos")]
+		get => null;
+	}
+
+	[BindingImpl (BindingImplOptions.GeneratedCode | BindingImplOptions.Optimizable)]
+	[ObsoletedOSPlatform ("macos10.14", "Use 'Metal' instead.")]
+	[SupportedOSPlatform ("macos")]
+	[EditorBrowsable (EditorBrowsableState.Never)]
+	[Obsolete ("This field is always null.")]
+	public static NSString? ProtocolRSSVisualizer {
+		[ObsoletedOSPlatform ("macos10.14", "Use 'Metal' instead.")]
+		[SupportedOSPlatform ("macos")]
+		get => null;
+	}
+#endif // !XAMCORE_5_0
+}
diff --git a/src/frameworks.sources b/src/frameworks.sources
index 6573e8e10f1..58f1561da60 100644
--- a/src/frameworks.sources
+++ b/src/frameworks.sources
@@ -1478,6 +1478,11 @@ PRINTCORE_SOURCES = \
 PUSHTOTALK_SOURCES = \
 	PushToTalk/Compat.cs \
 
+# QuartzComposer
+
+QUARTZCOMPOSER_SOURCES = \
+	QuartzComposer/QCComposition.cs \
+
 # QuickLook
 
 QUICKLOOK_SOURCES = \
diff --git a/src/quartzcomposer.cs b/src/quartzcomposer.cs
index ffc4192e1e0..f514f6e6bcc 100644
--- a/src/quartzcomposer.cs
+++ b/src/quartzcomposer.cs
@@ -158,19 +158,10 @@ interface QCComposition : NSCopying {
 		[Field ("QCCompositionInputDestinationImageKey")]
 		NSString InputDestinationImageKey { get; }
 
-		/// <summary>To be added.</summary>
-		///         <value>To be added.</value>
-		///         <remarks>To be added.</remarks>
-		[Deprecated (PlatformName.MacOSX, 10, 14, message: "Use 'Metal' instead.")]
-		[Field ("QCCompositionInputRSSFeedURLKey")]
-		NSString InputRSSFeedURLKey { get; }
-
-		/// <summary>To be added.</summary>
-		///         <value>To be added.</value>
-		///         <remarks>To be added.</remarks>
-		[Deprecated (PlatformName.MacOSX, 10, 14, message: "Use 'Metal' instead.")]
-		[Field ("QCCompositionInputRSSArticleDurationKey")]
-		NSString InputRSSArticleDurationKey { get; }
+#if !XAMCORE_5_0
+		// The 'InputRSSFeedURLKey' property has manual bindings.
+		// The 'InputRSSArticleDurationKey' property has manual bindings.
+#endif
 
 		/// <summary>To be added.</summary>
 		///         <value>To be added.</value>
@@ -280,12 +271,9 @@ interface QCComposition : NSCopying {
 		[Field ("QCCompositionProtocolScreenSaver")]
 		NSString ProtocolScreenSaver { get; }
 
-		/// <summary>To be added.</summary>
-		///         <value>To be added.</value>
-		///         <remarks>To be added.</remarks>
-		[Deprecated (PlatformName.MacOSX, 10, 14, message: "Use 'Metal' instead.")]
-		[Field ("QCCompositionProtocolRSSVisualizer")]
-		NSString ProtocolRSSVisualizer { get; }
+#if !XAMCORE_5_0
+		// The 'ProtocolRSSVisualizer' property has manual bindings.
+#endif
 
 		/// <summary>To be added.</summary>
 		///         <value>To be added.</value>
diff --git a/tests/introspection/MacApiFieldTest.cs b/tests/introspection/MacApiFieldTest.cs
index a43e7949c80..b9457f61779 100644
--- a/tests/introspection/MacApiFieldTest.cs
+++ b/tests/introspection/MacApiFieldTest.cs
@@ -159,12 +159,6 @@ protected override bool Skip (string constantName, string? libraryName)
 			// kCLErrorUserInfoAlternateRegionKey also returns null on iOS
 			case "kCLErrorUserInfoAlternateRegionKey":
 				return true;
-			case "QCCompositionInputRSSArticleDurationKey":
-			case "QCCompositionInputRSSFeedURLKey":
-			case "QCCompositionProtocolRSSVisualizer":
-				if (Mac.CheckSystemVersion (10, 14))
-					return true;
-				goto default;
 			default:
 				return base.Skip (constantName, libraryName);
 			}