diff --git a/src/libraries/Common/tests/TestUtilities/System/PlatformDetection.cs b/src/libraries/Common/tests/TestUtilities/System/PlatformDetection.cs
index e4b7ec92f3294..a96c217711c5c 100644
--- a/src/libraries/Common/tests/TestUtilities/System/PlatformDetection.cs
+++ b/src/libraries/Common/tests/TestUtilities/System/PlatformDetection.cs
@@ -42,6 +42,8 @@ public static partial class PlatformDetection
         public static bool IsNotWindows => !IsWindows;
 
         public static bool IsThreadingSupported => !IsBrowser;
+        public static bool IsBinaryFormatterSupported => !IsBrowser;
+
         // Please make sure that you have the libgdiplus dependency installed.
         // For details, see https://docs.microsoft.com/dotnet/core/install/dependencies?pivots=os-macos&tabs=netcore31#libgdiplus
         public static bool IsDrawingSupported
diff --git a/src/libraries/System.Threading.Channels/tests/ChannelClosedExceptionTests.netcoreapp.cs b/src/libraries/System.Threading.Channels/tests/ChannelClosedExceptionTests.netcoreapp.cs
index 0fde76e9cb1fa..70eca33365866 100644
--- a/src/libraries/System.Threading.Channels/tests/ChannelClosedExceptionTests.netcoreapp.cs
+++ b/src/libraries/System.Threading.Channels/tests/ChannelClosedExceptionTests.netcoreapp.cs
@@ -9,8 +9,7 @@ namespace System.Threading.Channels.Tests
 {
     public partial class ChannelClosedExceptionTests
     {
-        [Fact]
-        [ActiveIssue("https://github.com/dotnet/runtime/issues/37648", TestPlatforms.Browser)]
+        [ConditionalFact(typeof(PlatformDetection), nameof(PlatformDetection.IsBinaryFormatterSupported))]
         public void Serialization_Roundtrip()
         {
             var s = new MemoryStream();