diff --git a/src/Hosting/TestHost/test/TestClientTests.cs b/src/Hosting/TestHost/test/TestClientTests.cs
index 5d7f3b5de8..13a8016ddc 100644
--- a/src/Hosting/TestHost/test/TestClientTests.cs
+++ b/src/Hosting/TestHost/test/TestClientTests.cs
@@ -433,7 +433,6 @@ namespace Microsoft.AspNetCore.TestHost
         }
 
         [Fact]
-        [QuarantinedTest("https://github.com/dotnet/aspnetcore/issues/20164")]
         public async Task ClientStreaming_ResponseCompletesWithoutResponseBodyWrite()
         {
             // Arrange
diff --git a/src/Identity/test/Identity.Test/IdentityUIScriptsTest.cs b/src/Identity/test/Identity.Test/IdentityUIScriptsTest.cs
index 6bfa6efa5e..0d7ba1949d 100644
--- a/src/Identity/test/Identity.Test/IdentityUIScriptsTest.cs
+++ b/src/Identity/test/Identity.Test/IdentityUIScriptsTest.cs
@@ -40,7 +40,6 @@ namespace Microsoft.AspNetCore.Identity.Test
 
         [Theory]
         [MemberData(nameof(ScriptWithIntegrityData))]
-        [QuarantinedTest]
         public async Task IdentityUI_ScriptTags_SubresourceIntegrityCheck(ScriptTag scriptTag)
         {
             var integrity = await GetShaIntegrity(scriptTag);
@@ -80,7 +79,6 @@ namespace Microsoft.AspNetCore.Identity.Test
 
         [Theory]
         [MemberData(nameof(ScriptWithFallbackSrcData))]
-        [QuarantinedTest("https://github.com/dotnet/aspnetcore-internal/issues/2267")]
         public async Task IdentityUI_ScriptTags_FallbackSourceContent_Matches_CDNContent(ScriptTag scriptTag)
         {
             var wwwrootDir = Path.Combine(GetProjectBasePath(), "wwwroot", scriptTag.Version);
diff --git a/src/Security/Authentication/test/SecureDataFormatTests.cs b/src/Security/Authentication/test/SecureDataFormatTests.cs
index ea1f898258..f29439c883 100644
--- a/src/Security/Authentication/test/SecureDataFormatTests.cs
+++ b/src/Security/Authentication/test/SecureDataFormatTests.cs
@@ -49,7 +49,6 @@ namespace Microsoft.AspNetCore.Authentication.DataHandler
         }
 
         [Fact]
-        [QuarantinedTest]
         public void UnprotectWithDifferentPurposeFails()
         {
             var provider = ServiceProvider.GetRequiredService<IDataProtectionProvider>();
diff --git a/src/Servers/Kestrel/test/FunctionalTests/Http2/ShutdownTests.cs b/src/Servers/Kestrel/test/FunctionalTests/Http2/ShutdownTests.cs
index afb1e83ca3..a5c42d1703 100644
--- a/src/Servers/Kestrel/test/FunctionalTests/Http2/ShutdownTests.cs
+++ b/src/Servers/Kestrel/test/FunctionalTests/Http2/ShutdownTests.cs
@@ -100,7 +100,7 @@ namespace Microsoft.AspNetCore.Server.Kestrel.FunctionalTests.Http2
         }
 
         [ConditionalFact]
-        [QuarantinedTest]
+        [QuarantinedTest] // Test still quarantined due to Sockets.Functional tests.
         public async Task GracefulTurnsAbortiveIfRequestsDoNotFinish()
         {
             var requestStarted = new TaskCompletionSource<object>(TaskCreationOptions.RunContinuationsAsynchronously);
diff --git a/src/Servers/Kestrel/test/FunctionalTests/MaxRequestBufferSizeTests.cs b/src/Servers/Kestrel/test/FunctionalTests/MaxRequestBufferSizeTests.cs
index 4236508cb9..c47856ef3b 100644
--- a/src/Servers/Kestrel/test/FunctionalTests/MaxRequestBufferSizeTests.cs
+++ b/src/Servers/Kestrel/test/FunctionalTests/MaxRequestBufferSizeTests.cs
@@ -108,7 +108,6 @@ namespace Microsoft.AspNetCore.Server.Kestrel.FunctionalTests
             }
         }
         [Theory]
-        [QuarantinedTest("https://github.com/dotnet/aspnetcore-internal/issues/2489")]
         [MemberData(nameof(LargeUploadData))]
         public async Task LargeUpload(long? maxRequestBufferSize, bool connectionAdapter, bool expectPause)
         {
@@ -203,7 +202,6 @@ namespace Microsoft.AspNetCore.Server.Kestrel.FunctionalTests
         }
 
         [Fact]
-        [QuarantinedTest]
         public async Task ServerShutsDownGracefullyWhenMaxRequestBufferSizeExceeded()
         {
             // Parameters
diff --git a/src/Servers/Kestrel/test/FunctionalTests/RequestTests.cs b/src/Servers/Kestrel/test/FunctionalTests/RequestTests.cs
index 9512b7aca1..11495cbe03 100644
--- a/src/Servers/Kestrel/test/FunctionalTests/RequestTests.cs
+++ b/src/Servers/Kestrel/test/FunctionalTests/RequestTests.cs
@@ -500,7 +500,6 @@ namespace Microsoft.AspNetCore.Server.Kestrel.FunctionalTests
 
         [Theory]
         [MemberData(nameof(ConnectionMiddlewareData))]
-        [QuarantinedTest("https://github.com/dotnet/aspnetcore/issues/20163")]
         public async Task ConnectionClosedTokenFiresOnClientFIN(ListenOptions listenOptions)
         {
             var testContext = new TestServiceContext(LoggerFactory);
diff --git a/src/Servers/Kestrel/test/FunctionalTests/ResponseTests.cs b/src/Servers/Kestrel/test/FunctionalTests/ResponseTests.cs
index 05148cbebd..85b4f8a51c 100644
--- a/src/Servers/Kestrel/test/FunctionalTests/ResponseTests.cs
+++ b/src/Servers/Kestrel/test/FunctionalTests/ResponseTests.cs
@@ -812,7 +812,6 @@ namespace Microsoft.AspNetCore.Server.Kestrel.FunctionalTests
 
         [Fact]
         [CollectDump]
-        [QuarantinedTest]
         public async Task ConnectionNotClosedWhenClientSatisfiesMinimumDataRateGivenLargeResponseHeaders()
         {
             var headerSize = 1024 * 1024; // 1 MB for each header value
diff --git a/src/SignalR/clients/csharp/Client/test/FunctionalTests/HubConnectionTests.cs b/src/SignalR/clients/csharp/Client/test/FunctionalTests/HubConnectionTests.cs
index afe4254ded..46b0f3a671 100644
--- a/src/SignalR/clients/csharp/Client/test/FunctionalTests/HubConnectionTests.cs
+++ b/src/SignalR/clients/csharp/Client/test/FunctionalTests/HubConnectionTests.cs
@@ -1336,7 +1336,6 @@ namespace Microsoft.AspNetCore.SignalR.Client.FunctionalTests
         }
 
         [Theory]
-        [QuarantinedTest]
         [MemberData(nameof(HubProtocolsList))]
         public async Task ServerLogsErrorIfClientInvokeCannotBeSerialized(string protocolName)
         {
@@ -1384,7 +1383,6 @@ namespace Microsoft.AspNetCore.SignalR.Client.FunctionalTests
         }
 
         [Theory]
-        [QuarantinedTest]
         [MemberData(nameof(HubProtocolsList))]
         public async Task ServerLogsErrorIfReturnValueCannotBeSerialized(string protocolName)
         {
diff --git a/src/SignalR/server/SignalR/test/HubConnectionHandlerTests.cs b/src/SignalR/server/SignalR/test/HubConnectionHandlerTests.cs
index eb6d11a9dc..2bc13d7a85 100644
--- a/src/SignalR/server/SignalR/test/HubConnectionHandlerTests.cs
+++ b/src/SignalR/server/SignalR/test/HubConnectionHandlerTests.cs
@@ -2782,7 +2782,6 @@ namespace Microsoft.AspNetCore.SignalR.Tests
         }
 
         [Fact]
-        [QuarantinedTest]
         public async Task ReceivingMessagesPreventsConnectionTimeoutFromOccuring()
         {
             using (StartVerifiableLog())
diff --git a/src/Testing/test/AssemblyTestLogTests.cs b/src/Testing/test/AssemblyTestLogTests.cs
index 3db8ffc0ce..8a4bda0c10 100644
--- a/src/Testing/test/AssemblyTestLogTests.cs
+++ b/src/Testing/test/AssemblyTestLogTests.cs
@@ -26,6 +26,7 @@ namespace Microsoft.Extensions.Logging.Testing.Tests
         }
 
         [Fact]
+        // Keep this test in quarantine, it verifies that quarantined test logs are preserved
         [QuarantinedTest]
         public void FunctionalLogs_LogsPreservedFromQuarantinedTest()
         {
diff --git a/src/Tools/Microsoft.dotnet-openapi/test/OpenApiAddURLTests.cs b/src/Tools/Microsoft.dotnet-openapi/test/OpenApiAddURLTests.cs
index 3a37b9a31b..6e25f0ccd6 100644
--- a/src/Tools/Microsoft.dotnet-openapi/test/OpenApiAddURLTests.cs
+++ b/src/Tools/Microsoft.dotnet-openapi/test/OpenApiAddURLTests.cs
@@ -420,7 +420,6 @@ namespace Microsoft.DotNet.OpenApi.Add.Tests
         }
 
         [Fact]
-        [QuarantinedTest]
         public async Task OpenAPi_Add_URL_InvalidUrl()
         {
             var project = CreateBasicProject(withOpenApi: false);