diff --git a/src/libraries/System.Runtime/tests/System.IO.Tests/MemoryStream/MemoryStreamTests.cs b/src/libraries/System.Runtime/tests/System.IO.Tests/MemoryStream/MemoryStreamTests.cs
index ae2961f111a2dd..23d4b88c3da8d2 100644
--- a/src/libraries/System.Runtime/tests/System.IO.Tests/MemoryStream/MemoryStreamTests.cs
+++ b/src/libraries/System.Runtime/tests/System.IO.Tests/MemoryStream/MemoryStreamTests.cs
@@ -95,16 +95,11 @@ from bufferContext in
                     (10, 0),
                     (10, 5),
                     (10, 10),
-                    (Array.MaxLength, 0),
-                    (Array.MaxLength, Array.MaxLength)
                 }
             select new object[] {mode, bufferContext.bufferSize, bufferContext.origin};
 
-        [ConditionalTheory(typeof(PlatformDetection), nameof(PlatformDetection.Is64BitProcess))]
+        [Theory]
         [MemberData(nameof(MemoryStream_PositionOverflow_Throws_MemberData))]
-        [SkipOnPlatform(TestPlatforms.iOS | TestPlatforms.tvOS, "https://github.com/dotnet/runtime/issues/92467")]
-        [ActiveIssue("https://github.com/dotnet/runtime/issues/100225", typeof(PlatformDetection), nameof(PlatformDetection.IsMonoRuntime), nameof(PlatformDetection.IsWindows), nameof(PlatformDetection.IsX64Process))]
-        [ActiveIssue("https://github.com/dotnet/runtime/issues/100558", TestPlatforms.Linux)]
         public void MemoryStream_SeekOverflow_Throws(SeekMode mode, int bufferSize, int origin)
         {
             byte[] buffer = new byte[bufferSize];