diff --git a/src/libraries/System.Net.Http/src/System/Net/Http/BrowserHttpHandler/BrowserHttpHandler.cs b/src/libraries/System.Net.Http/src/System/Net/Http/BrowserHttpHandler/BrowserHttpHandler.cs
index 96f482fb58be74..c4d9f6919607a1 100644
--- a/src/libraries/System.Net.Http/src/System/Net/Http/BrowserHttpHandler/BrowserHttpHandler.cs
+++ b/src/libraries/System.Net.Http/src/System/Net/Http/BrowserHttpHandler/BrowserHttpHandler.cs
@@ -550,8 +550,6 @@ public override async ValueTask<int> ReadAsync(Memory<byte> buffer, Cancellation
         {
             ArgumentNullException.ThrowIfNull(buffer, nameof(buffer));
             _fetchResponse.ThrowIfDisposed();
-            cancellationToken.ThrowIfCancellationRequested();
-
 #if FEATURE_WASM_THREADS
             return await _fetchResponse.FetchResponse!.SynchronizationContext.Send(() => Impl(this, buffer, cancellationToken)).ConfigureAwait(true);
 #else