diff --git a/eng/pipelines/libraries/helix-queues-setup.yml b/eng/pipelines/libraries/helix-queues-setup.yml
index ed34402bd776c..0a0461ef35a34 100644
--- a/eng/pipelines/libraries/helix-queues-setup.yml
+++ b/eng/pipelines/libraries/helix-queues-setup.yml
@@ -74,7 +74,7 @@ jobs:
             - (Fedora.36.Amd64.Open)ubuntu.1804.amd64.open@mcr.microsoft.com/dotnet-buildtools/prereqs:fedora-36-helix
             - Ubuntu.2204.Amd64.Open
             - (Debian.11.Amd64.Open)Ubuntu.1804.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:debian-11-helix-amd64
-            - (Mariner.1.0.Amd64.Open)ubuntu.1804.amd64.open@mcr.microsoft.com/dotnet-buildtools/prereqs:cbl-mariner-1.0-helix
+            - (Mariner.2.0.Amd64.Open)ubuntu.1804.amd64.open@mcr.microsoft.com/dotnet-buildtools/prereqs:cbl-mariner-2.0-helix-amd64
             - (openSUSE.15.2.Amd64.Open)ubuntu.1804.amd64.open@mcr.microsoft.com/dotnet-buildtools/prereqs:opensuse-15.2-helix-amd64
           - ${{ if or(ne(parameters.jobParameters.isExtraPlatforms, true), eq(parameters.jobParameters.includeAllPlatforms, true)) }}:
             - (Centos.7.Amd64.Open)Ubuntu.1804.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:centos-7-mlnet-helix
diff --git a/src/libraries/Common/tests/TestUtilities/System/PlatformDetection.Unix.cs b/src/libraries/Common/tests/TestUtilities/System/PlatformDetection.Unix.cs
index 6970e24779db3..e6c0aea705ff3 100644
--- a/src/libraries/Common/tests/TestUtilities/System/PlatformDetection.Unix.cs
+++ b/src/libraries/Common/tests/TestUtilities/System/PlatformDetection.Unix.cs
@@ -24,7 +24,6 @@ public static partial class PlatformDetection
         public static bool IsDebian10 => IsDistroAndVersion("debian", 10);
         public static bool IsRaspbian10 => IsDistroAndVersion("raspbian", 10);
         public static bool IsMariner => IsDistroAndVersion("mariner");
-        public static bool IsMariner1 => IsDistroAndVersion("mariner", 1);
         public static bool IsSLES => IsDistroAndVersion("sles");
         public static bool IsTizen => IsDistroAndVersion("tizen");
         public static bool IsFedora => IsDistroAndVersion("fedora");
diff --git a/src/libraries/System.Net.Quic/tests/FunctionalTests/MsQuicPlatformDetectionTests.cs b/src/libraries/System.Net.Quic/tests/FunctionalTests/MsQuicPlatformDetectionTests.cs
index 65e7a4bfb9237..b90cd518d0327 100644
--- a/src/libraries/System.Net.Quic/tests/FunctionalTests/MsQuicPlatformDetectionTests.cs
+++ b/src/libraries/System.Net.Quic/tests/FunctionalTests/MsQuicPlatformDetectionTests.cs
@@ -53,8 +53,6 @@ public async Task SupportedLinuxPlatformsWithMsQuic_IsSupportedIsTrue()
             }
         }
 
-        [ActiveIssue("https://github.com/dotnet/runtime/issues/81901", typeof(PlatformDetection), nameof(PlatformDetection.IsMariner1), nameof(PlatformDetection.IsInContainer))]
-        [ActiveIssue("https://github.com/dotnet/runtime/issues/81901", typeof(PlatformDetection), nameof(PlatformDetection.IsCentos7), nameof(PlatformDetection.IsInContainer))]
         [ActiveIssue("https://github.com/dotnet/runtime/issues/82055", typeof(PlatformDetection), nameof(PlatformDetection.IsUbuntu1804), nameof(PlatformDetection.IsArmProcess), nameof(PlatformDetection.IsInContainer))]
         [ActiveIssue("https://github.com/dotnet/runtime/issues/82154", typeof(PlatformDetection), nameof(PlatformDetection.IsRaspbian10), nameof(PlatformDetection.IsArmv6Process), nameof(PlatformDetection.IsInContainer))]
         [ActiveIssue("https://github.com/dotnet/runtime/issues/82154", typeof(PlatformDetection), nameof(PlatformDetection.IsUbuntu2004), nameof(PlatformDetection.IsPpc64leProcess))]