diff --git a/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http2/Http2TimeoutTests.cs b/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http2/Http2TimeoutTests.cs
index e0d7e1dab791..76be7790eaf7 100644
--- a/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http2/Http2TimeoutTests.cs
+++ b/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http2/Http2TimeoutTests.cs
@@ -551,7 +551,6 @@ await WaitForConnectionErrorAsync<ConnectionAbortedException>(
         }
 
         [Fact]
-        [QuarantinedTest("https://github.com/dotnet/aspnetcore-internal/issues/2197")]
         public async Task DATA_Sent_TooSlowlyDueToOutputFlowControlOnMultipleStreams_AbortsConnectionAfterAdditiveRateTimeout()
         {
             var mockSystemClock = _serviceContext.MockSystemClock;
diff --git a/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http3/Http3StreamTests.cs b/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http3/Http3StreamTests.cs
index cbc555e369fe..a1b369acd623 100644
--- a/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http3/Http3StreamTests.cs
+++ b/src/Servers/Kestrel/test/InMemory.FunctionalTests/Http3/Http3StreamTests.cs
@@ -272,7 +272,6 @@ public async Task SchemeMismatch_Reset()
         }
 
         [Fact]
-        [QuarantinedTest("https://github.com/dotnet/aspnetcore/issues/21520")]
         public async Task MissingAuthority_200Status()
         {
             var headers = new[]