diff --git a/test/Polly.RateLimiting.Tests/RateLimiterRejectedExceptionTests.cs b/test/Polly.RateLimiting.Tests/RateLimiterRejectedExceptionTests.cs
index b26cecd519..2fe8f0ba47 100644
--- a/test/Polly.RateLimiting.Tests/RateLimiterRejectedExceptionTests.cs
+++ b/test/Polly.RateLimiting.Tests/RateLimiterRejectedExceptionTests.cs
@@ -170,9 +170,6 @@ public void BinaryDeserialization_Ok()
         var result = SerializeAndDeserializeException(new RateLimiterRejectedException(timeout));
         result.RetryAfter.Should().Be(timeout);
 
-        result = SerializeAndDeserializeException(new RateLimiterRejectedException(TimeSpan.Zero));
-        result.RetryAfter.Should().BeNull();
-
         result = SerializeAndDeserializeException(new RateLimiterRejectedException());
         result.RetryAfter.Should().BeNull();