diff --git a/src/System.IO.Compression.ZipFile/tests/System.IO.Compression.ZipFile.Tests.csproj b/src/System.IO.Compression.ZipFile/tests/System.IO.Compression.ZipFile.Tests.csproj
index 628089b36b6a..402b5d7fc0ba 100644
--- a/src/System.IO.Compression.ZipFile/tests/System.IO.Compression.ZipFile.Tests.csproj
+++ b/src/System.IO.Compression.ZipFile/tests/System.IO.Compression.ZipFile.Tests.csproj
@@ -34,6 +34,7 @@
     <Compile Include="$(CommonTestPath)\Compression\Utilities\LocalMemoryStream.cs" />
     <Compile Include="$(CommonTestPath)\Compression\Utilities\StreamHelpers.cs" />
     <Compile Include="$(CommonTestPath)\Compression\Utilities\ZipTestHelper.cs" />
+    <Compile Include="$(CommonPath)\Interop\Interop.PlatformDetection.cs" />
   </ItemGroup>
   <Import Project="$([MSBuild]::GetDirectoryNameOfFileAbove($(MSBuildThisFileDirectory), dir.targets))\dir.targets" />
   <!-- Temporary until we have new work in build tools to
diff --git a/src/System.IO.Compression.ZipFile/tests/ZipFileConvenienceMethods.cs b/src/System.IO.Compression.ZipFile/tests/ZipFileConvenienceMethods.cs
index a0542cca482c..8a1313583ba5 100644
--- a/src/System.IO.Compression.ZipFile/tests/ZipFileConvenienceMethods.cs
+++ b/src/System.IO.Compression.ZipFile/tests/ZipFileConvenienceMethods.cs
@@ -13,7 +13,10 @@ public partial class ZipTest
         public static async Task CreateFromDirectoryNormal()
         {
             await TestCreateDirectory(zfolder("normal"), true);
-            await TestCreateDirectory(zfolder("unicode"), true);
+            if (Interop.IsWindows) // [ActiveIssue(846, PlatformID.Linux | PlatformID.OSX)]
+            {
+                await TestCreateDirectory(zfolder("unicode"), true);
+            }
         }
 
         private static async Task TestCreateDirectory(String folderName, Boolean testWithBaseDir)
@@ -62,7 +65,10 @@ private static void SameExceptForBaseDir(String zipNoBaseDir, String zipBaseDir,
         public static void ExtractToDirectoryNormal()
         {
             TestExtract(zfile("normal.zip"), zfolder("normal"));
-            TestExtract(zfile("unicode.zip"), zfolder("unicode"));
+            if (Interop.IsWindows) // [ActiveIssue(846, PlatformID.Linux | PlatformID.OSX)]
+            {
+                TestExtract(zfile("unicode.zip"), zfolder("unicode"));
+            }
             TestExtract(zfile("empty.zip"), zfolder("empty"));
             TestExtract(zfile("explicitdir1.zip"), zfolder("explicitdir"));
             TestExtract(zfile("explicitdir2.zip"), zfolder("explicitdir"));
@@ -137,12 +143,15 @@ public static void ExtractToDirectoryTest()
                 DirsEqual(tempFolder, zfolder("normal"));
             }
 
-            using (ZipArchive archive = ZipFile.OpenRead(zfile("unicode.zip")))
+            if (Interop.IsWindows) // [ActiveIssue(846, PlatformID.Linux | PlatformID.OSX)]
             {
-                String tempFolder = StreamHelpers.GetTmpPath(false);
-                archive.ExtractToDirectory(tempFolder);
+                using (ZipArchive archive = ZipFile.OpenRead(zfile("unicode.zip")))
+                {
+                    String tempFolder = StreamHelpers.GetTmpPath(false);
+                    archive.ExtractToDirectory(tempFolder);
 
-                DirsEqual(tempFolder, zfolder("unicode"));
+                    DirsEqual(tempFolder, zfolder("unicode"));
+                }
             }
         }
 
diff --git a/src/System.IO.Compression/tests/ZipArchive/zip_CreateTests.cs b/src/System.IO.Compression/tests/ZipArchive/zip_CreateTests.cs
index d0559e44f30f..e1069e99a109 100644
--- a/src/System.IO.Compression/tests/ZipArchive/zip_CreateTests.cs
+++ b/src/System.IO.Compression/tests/ZipArchive/zip_CreateTests.cs
@@ -15,8 +15,11 @@ public static async Task CreateNormal()
             await testCreate("small", false);
             await testCreate("normal", true);
             await testCreate("normal", false);
-            await testCreate("unicode", true);
-            await testCreate("unicode", false);
+            if (Interop.IsWindows) // [ActiveIssue(846, PlatformID.Linux | PlatformID.OSX)]
+            {
+                await testCreate("unicode", true);
+                await testCreate("unicode", false);
+            }
             await testCreate("empty", true);
             await testCreate("empty", false);
             await testCreate("emptydir", true);
diff --git a/src/System.IO.Compression/tests/ZipArchive/zip_ReadTests.cs b/src/System.IO.Compression/tests/ZipArchive/zip_ReadTests.cs
index c43d015a8272..b7a30d406ef1 100644
--- a/src/System.IO.Compression/tests/ZipArchive/zip_ReadTests.cs
+++ b/src/System.IO.Compression/tests/ZipArchive/zip_ReadTests.cs
@@ -25,8 +25,11 @@ await ZipTest.IsZipSameAsDirAsync(
                 ZipTest.zfile("emptydir.zip"), ZipTest.zfolder("emptydir"), ZipArchiveMode.Read);
             await ZipTest.IsZipSameAsDirAsync(
                 ZipTest.zfile("small.zip"), ZipTest.zfolder("small"), ZipArchiveMode.Read);
-            await ZipTest.IsZipSameAsDirAsync(
-                ZipTest.zfile("unicode.zip"), ZipTest.zfolder("unicode"), ZipArchiveMode.Read);
+            if (Interop.IsWindows) // [ActiveIssue(846, PlatformID.Linux | PlatformID.OSX)]
+            {
+                await ZipTest.IsZipSameAsDirAsync(
+                    ZipTest.zfile("unicode.zip"), ZipTest.zfolder("unicode"), ZipArchiveMode.Read);
+            }
         }
 
         [Fact]
@@ -36,7 +39,10 @@ public static async Task ReadStreaming()
 
             await TestStreamingRead(ZipTest.zfile("normal.zip"), ZipTest.zfolder("normal"));
             await TestStreamingRead(ZipTest.zfile("fake64.zip"), ZipTest.zfolder("small"));
-            await TestStreamingRead(ZipTest.zfile("unicode.zip"), ZipTest.zfolder("unicode"));
+            if (Interop.IsWindows) // [ActiveIssue(846, PlatformID.Linux | PlatformID.OSX)]
+            {
+                await TestStreamingRead(ZipTest.zfile("unicode.zip"), ZipTest.zfolder("unicode"));
+            }
             await TestStreamingRead(ZipTest.zfile("empty.zip"), ZipTest.zfolder("empty"));
             await TestStreamingRead(ZipTest.zfile("appended.zip"), ZipTest.zfolder("small"));
             await TestStreamingRead(ZipTest.zfile("prepended.zip"), ZipTest.zfolder("small"));
diff --git a/src/System.IO.Compression/tests/ZipArchive/zip_UpdateTests.cs b/src/System.IO.Compression/tests/ZipArchive/zip_UpdateTests.cs
index a63f235f85bb..0616f9ac0635 100644
--- a/src/System.IO.Compression/tests/ZipArchive/zip_UpdateTests.cs
+++ b/src/System.IO.Compression/tests/ZipArchive/zip_UpdateTests.cs
@@ -15,8 +15,11 @@ public static async Task UpdateReadNormal()
                 await StreamHelpers.CreateTempCopyStream(ZipTest.zfile("normal.zip")), ZipTest.zfolder("normal"), ZipArchiveMode.Update, false, false);
             ZipTest.IsZipSameAsDir(
                 await StreamHelpers.CreateTempCopyStream(ZipTest.zfile("fake64.zip")), ZipTest.zfolder("small"), ZipArchiveMode.Update, false, false);
-            ZipTest.IsZipSameAsDir(
-                await StreamHelpers.CreateTempCopyStream(ZipTest.zfile("unicode.zip")), ZipTest.zfolder("unicode"), ZipArchiveMode.Update, false, false);
+            if (Interop.IsWindows)
+            {
+                ZipTest.IsZipSameAsDir(
+                    await StreamHelpers.CreateTempCopyStream(ZipTest.zfile("unicode.zip")), ZipTest.zfolder("unicode"), ZipArchiveMode.Update, false, false);
+            }
             ZipTest.IsZipSameAsDir(
                 await StreamHelpers.CreateTempCopyStream(ZipTest.zfile("empty.zip")), ZipTest.zfolder("empty"), ZipArchiveMode.Update, false, false);
             ZipTest.IsZipSameAsDir(
@@ -49,7 +52,10 @@ public static async Task UpdateCreate()
         {
             await testFolder("normal");
             await testFolder("empty");
-            await testFolder("unicode");
+            if (Interop.IsWindows)
+            {
+                await testFolder("unicode");
+            }
         }
 
         public static async Task testFolder(String s)