diff --git a/src/Spectre.IO.Tests/Unit/DirectoryPathTests.cs b/src/Spectre.IO.Tests/Unit/DirectoryPathTests.cs
index 927bfd6..079dfc1 100644
--- a/src/Spectre.IO.Tests/Unit/DirectoryPathTests.cs
+++ b/src/Spectre.IO.Tests/Unit/DirectoryPathTests.cs
@@ -3,7 +3,6 @@
 using NSubstitute;
 using Shouldly;
 using Spectre.IO.Testing;
-using Spectre.IO.Testing.Xunit;
 using Xunit;
 
 namespace Spectre.IO.Tests.Unit.IO
@@ -12,7 +11,7 @@ public sealed class DirectoryPathTests
     {
         public sealed class TheGetDirectoryNameMethod
         {
-            [WindowsTheory]
+            [Theory]
             [InlineData("C:/Data", "Data")]
             [InlineData("C:/Data/Work", "Work")]
             [InlineData("C:/Data/Work/file.txt", "file.txt")]
@@ -108,7 +107,7 @@ public void Should_Combine_Paths(string first, string second, string expected)
                 result.FullPath.ShouldBe(expected);
             }
 
-            [WindowsTheory]
+            [Theory]
             [InlineData("c:/assets/shaders/", "simple.frag", "c:/assets/shaders/simple.frag")]
             [InlineData("c:/", "simple.frag", "c:/simple.frag")]
             [InlineData("c:/assets/shaders/", "test/simple.frag", "c:/assets/shaders/test/simple.frag")]
@@ -143,7 +142,7 @@ public void Can_Not_Combine_Directory_Path_With_Absolute_File_Path()
                     .And().Message.ShouldBe("Cannot combine a directory path with an absolute file path.");
             }
 
-            [WindowsFact]
+            [Fact]
             public void Can_Not_Combine_Directory_Path_With_Absolute_UNC_File_Path()
             {
                 // Given
@@ -176,7 +175,7 @@ public void Should_Combine_Paths(string first, string second, string expected)
                 result.FullPath.ShouldBe(expected);
             }
 
-            [WindowsTheory]
+            [Theory]
             [InlineData("c:/assets/shaders/", "simple", "c:/assets/shaders/simple")]
             [InlineData("c:/", "simple", "c:/simple")]
             [InlineData(@"\\", "foo", @"\\foo")]
@@ -225,7 +224,7 @@ public void Can_Not_Combine_Directory_Path_With_Absolute_Directory_Path()
                     .And().Message.ShouldBe("Cannot combine a directory path with an absolute directory path.");
             }
 
-            [WindowsTheory]
+            [Theory]
             [InlineData("C:/foo/bar")]
             [InlineData(@"\\foo\bar")]
             public void Can_Not_Combine_Directory_Path_With_Absolute_Windows_Directory_Path(string input)
@@ -290,7 +289,7 @@ public void Should_Create_New_Absolute_Path_Identical_To_The_Path()
                     result.FullPath.ShouldBe("/assets");
                 }
 
-                [WindowsTheory]
+                [Theory]
                 [InlineData("C:/foo")]
                 [InlineData(@"\\foo")]
                 public void Should_Create_New_Absolute_Windows_Path_Identical_To_The_Path(string fullPath)
@@ -403,7 +402,7 @@ public void Should_Collapse_Path_With_Separated_Ellipsis()
                 path.FullPath.ShouldBe("hello/world");
             }
 
-            [WindowsFact]
+            [Fact]
             public void Should_Collapse_Path_With_Windows_Root()
             {
                 // Given, When
@@ -423,7 +422,7 @@ public void Should_Collapse_Path_With_Non_Windows_Root()
                 path.FullPath.ShouldBe("/hello/world");
             }
 
-            [WindowsFact]
+            [Fact]
             public void Should_Stop_Collapsing_When_Windows_Root_Is_Reached()
             {
                 // Given, When
@@ -514,7 +513,7 @@ public sealed class WithDirectoryPath
             {
                 public sealed class InWindowsFormat
                 {
-                    [WindowsTheory]
+                    [Theory]
                     [InlineData("C:/A/B/C", "C:/A/B/C", ".")]
                     [InlineData("C:/", "C:/", ".")]
                     [InlineData("C:/A/B/C", "C:/A/D/E", "../../D/E")]
@@ -539,7 +538,7 @@ public void Should_Returns_Relative_Path_Between_Paths(string from, string to, s
                         relativePath.FullPath.ShouldBe(expected);
                     }
 
-                    [WindowsTheory]
+                    [Theory]
                     [InlineData("C:/A/B/C", "D:/A/B/C")]
                     [InlineData("C:/A/B", "D:/E/")]
                     [InlineData("C:/", "B:/")]
@@ -559,7 +558,7 @@ public void Should_Throw_If_No_Relative_Path_Can_Be_Found(string from, string to
                             .And().Message.ShouldBe("Paths must share a common prefix.");
                     }
 
-                    [WindowsFact]
+                    [Fact]
                     public void Should_Throw_If_Target_DirectoryPath_Is_Null()
                     {
                         // Given
@@ -573,7 +572,7 @@ public void Should_Throw_If_Target_DirectoryPath_Is_Null()
                             .And().ParamName.ShouldBe("to");
                     }
 
-                    [WindowsFact]
+                    [Fact]
                     public void Should_Throw_If_Source_DirectoryPath_Is_Relative()
                     {
                         // Given
@@ -587,7 +586,7 @@ public void Should_Throw_If_Source_DirectoryPath_Is_Relative()
                             .And().Message.ShouldBe("Source path must be an absolute path.");
                     }
 
-                    [WindowsTheory]
+                    [Theory]
                     [InlineData("C:/A/B/C")]
                     [InlineData(@"\\A\B\C")]
                     public void Should_Throw_If_Target_DirectoryPath_Is_Relative(string input)
@@ -690,7 +689,7 @@ public sealed class WithFilePath
             {
                 public sealed class InWindowsFormat
                 {
-                    [WindowsTheory]
+                    [Theory]
                     [InlineData("C:/A/B/C", "C:/A/B/C/hello.txt", "hello.txt")]
                     [InlineData("C:/", "C:/hello.txt", "hello.txt")]
                     [InlineData("C:/A/B/C", "C:/A/D/E/hello.txt", "../../D/E/hello.txt")]
@@ -714,7 +713,7 @@ public void Should_Returns_Relative_Path_Between_Paths(string from, string to, s
                         relativePath.FullPath.ShouldBe(expected);
                     }
 
-                    [WindowsTheory]
+                    [Theory]
                     [InlineData("C:/A/B/C", "D:/A/B/C/hello.txt")]
                     [InlineData("C:/A/B", "D:/E/hello.txt")]
                     [InlineData("C:/", "B:/hello.txt")]
@@ -734,7 +733,7 @@ public void Should_Throw_If_No_Relative_Path_Can_Be_Found(string from, string to
                             .And().Message.ShouldBe("Paths must share a common prefix.");
                     }
 
-                    [WindowsFact]
+                    [Fact]
                     public void Should_Throw_If_Target_FilePath_Is_Null()
                     {
                         // Given
@@ -748,7 +747,7 @@ public void Should_Throw_If_Target_FilePath_Is_Null()
                             .And().ParamName.ShouldBe("to");
                     }
 
-                    [WindowsFact]
+                    [Fact]
                     public void Should_Throw_If_Source_DirectoryPath_Is_Relative()
                     {
                         // Given
@@ -762,7 +761,7 @@ public void Should_Throw_If_Source_DirectoryPath_Is_Relative()
                             .And().Message.ShouldBe("Source path must be an absolute path.");
                     }
 
-                    [WindowsTheory]
+                    [Theory]
                     [InlineData("C:/A/B/C")]
                     [InlineData(@"\\A\B\C")]
                     public void Should_Throw_If_Target_FilePath_Is_Relative(string input)
diff --git a/src/Spectre.IO.Tests/Unit/FilePathTests.cs b/src/Spectre.IO.Tests/Unit/FilePathTests.cs
index 6e4124b..56e1cd4 100644
--- a/src/Spectre.IO.Tests/Unit/FilePathTests.cs
+++ b/src/Spectre.IO.Tests/Unit/FilePathTests.cs
@@ -2,7 +2,6 @@
 using NSubstitute;
 using Shouldly;
 using Spectre.IO.Testing;
-using Spectre.IO.Testing.Xunit;
 using Xunit;
 
 namespace Spectre.IO.Tests.Unit.IO
@@ -26,7 +25,7 @@ public void Can_See_If_A_Path_Has_An_Extension(string fullPath, bool expected)
                 path.HasExtension.ShouldBe(expected);
             }
 
-            [WindowsTheory]
+            [Theory]
             [InlineData("C:/foo/bar/baz.txt", true)]
             [InlineData("C:/foo/bar/baz", false)]
             [InlineData("C:/foo/bar.baz/qux", false)]
@@ -65,7 +64,7 @@ public void Can_Get_Extension(string fullPath, string expected)
                 result.ShouldBe(expected);
             }
 
-            [WindowsTheory]
+            [Theory]
             [InlineData("C:/foo/bar/baz.txt", ".txt")]
             [InlineData("C:/foo/bar/baz.txt/qux.md", ".md")]
             [InlineData("C:/foo/bar/baz.txt/qux.md.rs", ".rs")]
@@ -109,7 +108,7 @@ public void Should_Remove_Extension(string fullPath, string expected)
                 result.FullPath.ShouldBe(expected);
             }
 
-            [WindowsTheory]
+            [Theory]
             [InlineData("C:/foo/bar/baz.txt", "C:/foo/bar/baz")]
             [InlineData("C:/foo/bar/baz.txt/qux.md", "C:/foo/bar/baz.txt/qux")]
             [InlineData("C:/foo/bar/baz.txt/qux.md.rs", "C:/foo/bar/baz.txt/qux.md")]
@@ -149,7 +148,7 @@ public void Can_Get_Directory_For_File_Path(string input, string expected)
                 result.FullPath.ShouldBe(expected);
             }
 
-            [WindowsTheory]
+            [Theory]
             [InlineData("C:/temp/hello.txt", "C:/temp")]
             [InlineData(@"\\temp\hello.txt", @"\\temp")]
             public void Can_Get_Directory_For_Windows_File_Path(string fullPath, string expected)
@@ -190,7 +189,7 @@ public void Can_Get_Directory_For_Absolute_File_Path_In_Root()
                 result.FullPath.ShouldBe("/");
             }
 
-            [WindowsTheory]
+            [Theory]
             [InlineData("C:/hello.txt", "C:/")]
             [InlineData(@"\\hello.txt", @"\\")]
             public void Can_Get_Directory_For_Absolute_File_Path_In_Windows_Root(string fullPath, string expected)
@@ -227,7 +226,7 @@ public void Can_Change_Extension_Of_Path(string input, string extension, string
                 path.ToString().ShouldBe(expected);
             }
 
-            [WindowsTheory]
+            [Theory]
             [InlineData("C:/temp/hello.txt", ".dat", "C:/temp/hello.dat")]
             [InlineData("C:/temp/hello", ".dat", "C:/temp/hello.dat")]
             [InlineData("C:/", ".dat", "C:/.dat")]
@@ -278,7 +277,7 @@ public void Can_Append_Extension_To_Path(string extension, string expected)
                 path.ToString().ShouldBe(expected);
             }
 
-            [WindowsTheory]
+            [Theory]
             [InlineData("C:/temp/hello.txt", ".dat", "C:/temp/hello.txt.dat")]
             [InlineData(@"\\temp\hello.txt", ".dat", @"\\temp\hello.txt.dat")]
             public void Can_Append_Extension_To_Windows_Path(string fullPath, string extension, string expected)
@@ -318,7 +317,7 @@ public void Can_Get_Filename_From_Path(string input, string expected)
                 result.FullPath.ShouldBe(expected);
             }
 
-            [WindowsTheory]
+            [Theory]
             [InlineData("C:/input/test.txt", "test.txt")]
             [InlineData("C:/input/test.foo.txt", "test.foo.txt")]
             [InlineData("C:/input/test", "test")]
@@ -367,7 +366,7 @@ public void Should_Return_Filename_Without_Extension_From_Path(string fullPath,
                 result.FullPath.ShouldBe(expected);
             }
 
-            [WindowsTheory]
+            [Theory]
             [InlineData("C:/input/test.txt", "test")]
             [InlineData("C:/input/test.foo.txt", "test.foo")]
             [InlineData("C:/input/test", "test")]
@@ -442,7 +441,7 @@ public void Should_Return_Same_File_Path_If_File_Path_Is_Absolute(string expecte
                     result.FullPath.ShouldBe(expected);
                 }
 
-                [WindowsTheory]
+                [Theory]
                 [InlineData("C:/foo/bar.txt")]
                 [InlineData(@"\\foo\bar.txt")]
                 public void Should_Create_New_Absolute_Windows_Path_Identical_To_The_Path(string expected)
@@ -558,7 +557,7 @@ public void Should_Collapse_Path_With_Separated_Ellipsis()
                 path.FullPath.ShouldBe("hello/world/foo.txt");
             }
 
-            [WindowsFact]
+            [Fact]
             public void Should_Collapse_Path_With_Windows_Root()
             {
                 // Given, When
@@ -578,7 +577,7 @@ public void Should_Collapse_Path_With_Non_Windows_Root()
                 path.FullPath.ShouldBe("/hello/world/foo.txt");
             }
 
-            [WindowsFact]
+            [Fact]
             public void Should_Stop_Collapsing_When_Windows_Root_Is_Reached()
             {
                 // Given, When
@@ -669,7 +668,7 @@ public sealed class WithDirectoryPath
             {
                 public sealed class InWindowsFormat
                 {
-                    [WindowsTheory]
+                    [Theory]
                     [InlineData("C:/A/B/C/hello.txt", "C:/A/B/C", ".")]
                     [InlineData("C:/hello.txt", "C:/", ".")]
                     [InlineData("C:/A/B/C/hello.txt", "C:/A/D/E", "../../D/E")]
@@ -694,7 +693,7 @@ public void Should_Returns_Relative_Path_Between_Paths(string from, string to, s
                         relativePath.FullPath.ShouldBe(expected);
                     }
 
-                    [WindowsTheory]
+                    [Theory]
                     [InlineData("C:/A/B/C/hello.txt", "D:/A/B/C")]
                     [InlineData("C:/A/B/hello.txt", "D:/E/")]
                     [InlineData("C:/hello.txt", "B:/")]
@@ -714,7 +713,7 @@ public void Should_Throw_If_No_Relative_Path_Can_Be_Found(string from, string to
                             .And().Message.ShouldBe("Paths must share a common prefix.");
                     }
 
-                    [WindowsFact]
+                    [Fact]
                     public void Should_Throw_If_Target_DirectoryPath_Is_Null()
                     {
                         // Given
@@ -728,7 +727,7 @@ public void Should_Throw_If_Target_DirectoryPath_Is_Null()
                             .And().ParamName.ShouldBe("to");
                     }
 
-                    [WindowsFact]
+                    [Fact]
                     public void Should_Throw_If_Source_DirectoryPath_Is_Relative()
                     {
                         // Given
@@ -742,7 +741,7 @@ public void Should_Throw_If_Source_DirectoryPath_Is_Relative()
                             .And().Message.ShouldBe("Source path must be an absolute path.");
                     }
 
-                    [WindowsTheory]
+                    [Theory]
                     [InlineData("C:/A/B/C/hello.txt")]
                     [InlineData(@"\\A\B\C\hello.txt")]
                     public void Should_Throw_If_Target_DirectoryPath_Is_Relative(string input)
@@ -845,7 +844,7 @@ public sealed class WithFilePath
             {
                 public sealed class InWindowsFormat
                 {
-                    [WindowsTheory]
+                    [Theory]
                     [InlineData("C:/A/B/C/hello.txt", "C:/A/B/C/hello.txt", "hello.txt")]
                     [InlineData("C:/hello.txt", "C:/hello.txt", "hello.txt")]
                     [InlineData("C:/hello.txt", "C:/world.txt", "world.txt")]
@@ -872,7 +871,7 @@ public void Should_Returns_Relative_Path_Between_Paths(string from, string to, s
                         relativePath.FullPath.ShouldBe(expected);
                     }
 
-                    [WindowsTheory]
+                    [Theory]
                     [InlineData("C:/A/B/C/hello.txt", "D:/A/B/C/hello.txt")]
                     [InlineData("C:/A/B/hello.txt", "D:/E/hello.txt")]
                     [InlineData("C:/hello.txt", "B:/hello.txt")]
@@ -892,7 +891,7 @@ public void Should_Throw_If_No_Relative_Path_Can_Be_Found(string from, string to
                             .And().Message.ShouldBe("Paths must share a common prefix.");
                     }
 
-                    [WindowsFact]
+                    [Fact]
                     public void Should_Throw_If_Target_FilePath_Is_Null()
                     {
                         // Given
@@ -906,7 +905,7 @@ public void Should_Throw_If_Target_FilePath_Is_Null()
                             .And().ParamName.ShouldBe("to");
                     }
 
-                    [WindowsFact]
+                    [Fact]
                     public void Should_Throw_If_Source_DirectoryPath_Is_Relative()
                     {
                         // Given
@@ -920,7 +919,7 @@ public void Should_Throw_If_Source_DirectoryPath_Is_Relative()
                             .And().Message.ShouldBe("Source path must be an absolute path.");
                     }
 
-                    [WindowsTheory]
+                    [Theory]
                     [InlineData("C:/A/B/C/hello.txt")]
                     [InlineData(@"\\A\B\C\hello.txt")]
                     public void Should_Throw_If_Target_FilePath_Is_Relative(string input)
diff --git a/src/Spectre.IO.Tests/Unit/Globbing/UncGlobberTests.cs b/src/Spectre.IO.Tests/Unit/Globbing/UncGlobberTests.cs
index 2be7b6c..880b06d 100644
--- a/src/Spectre.IO.Tests/Unit/Globbing/UncGlobberTests.cs
+++ b/src/Spectre.IO.Tests/Unit/Globbing/UncGlobberTests.cs
@@ -1,5 +1,4 @@
 using Shouldly;
-using Spectre.IO.Testing.Xunit;
 using Spectre.IO.Tests.Fixtures;
 using Xunit;
 
@@ -7,7 +6,7 @@ namespace Spectre.IO.Tests.Unit.IO.Globbing
 {
     public sealed class UncGlobberTests
     {
-        [WindowsFact]
+        [Fact]
         public void Should_Return_Files_And_Folders_For_Pattern_Ending_With_Wildcard()
         {
             // Given
@@ -35,7 +34,7 @@ public void Should_Return_Files_And_Folders_For_Pattern_Ending_With_Wildcard()
             result.ShouldContainFilePath(@"\\Server\Bar\Qux.h");
         }
 
-        [WindowsFact]
+        [Fact]
         public void Should_Throw_If_No_Share_Name_Has_Been_Specified()
         {
             // Given
@@ -49,7 +48,7 @@ public void Should_Throw_If_No_Share_Name_Has_Been_Specified()
             result.Message.ShouldBe(@"The pattern '\\' has no server part specified.");
         }
 
-        [WindowsTheory]
+        [Theory]
         [InlineData(@"\\fo?")]
         [InlineData(@"\\fo*")]
         [InlineData(@"\\fo?\bar")]
@@ -67,7 +66,7 @@ public void Should_Throw_If_Invalid_Share_Name_Has_Been_Specified(string input)
             result.Message.ShouldBe($"The pattern '{input}' has an invalid server part specified.");
         }
 
-        [WindowsFact]
+        [Fact]
         public void Can_Traverse_Recursively()
         {
             // Given
@@ -85,7 +84,7 @@ public void Can_Traverse_Recursively()
             result.ShouldContainFilePath(@"\\Server\Bar\Qux.c");
         }
 
-        [WindowsFact]
+        [Fact]
         public void Should_Be_Able_To_Visit_Parent_Using_Double_Dots()
         {
             // Given
@@ -99,7 +98,7 @@ public void Should_Be_Able_To_Visit_Parent_Using_Double_Dots()
             result.ShouldContainFilePath(@"\\Server\Foo\Bar\Qux.c");
         }
 
-        [WindowsFact]
+        [Fact]
         public void Should_Return_Single_Path_For_Absolute_File_Path_Without_Glob_Pattern()
         {
             // Given
@@ -113,7 +112,7 @@ public void Should_Return_Single_Path_For_Absolute_File_Path_Without_Glob_Patter
             result.ShouldContainFilePath(@"\\Server\Foo\Bar\Qux.c");
         }
 
-        [WindowsFact]
+        [Fact]
         public void Should_Return_Single_Path_For_Absolute_Directory_Path_Without_Glob_Pattern()
         {
             // Given
@@ -127,7 +126,7 @@ public void Should_Return_Single_Path_For_Absolute_Directory_Path_Without_Glob_P
             result.ShouldContainDirectoryPath(@"\\Server\Foo\Bar");
         }
 
-        [WindowsFact]
+        [Fact]
         public void Should_Return_Files_And_Folders_For_Pattern_Containing_Wildcard()
         {
             // Given
@@ -142,7 +141,7 @@ public void Should_Return_Files_And_Folders_For_Pattern_Containing_Wildcard()
             result.ShouldContainFilePath(@"\\Server\Foo\Baz\Qux.c");
         }
 
-        [WindowsFact]
+        [Fact]
         public void Should_Return_Files_And_Folders_For_Pattern_Ending_With_Character_Wildcard()
         {
             // Given
@@ -157,7 +156,7 @@ public void Should_Return_Files_And_Folders_For_Pattern_Ending_With_Character_Wi
             result.ShouldContainFilePath(@"\\Server\Foo\Bar\Qex.c");
         }
 
-        [WindowsFact]
+        [Fact]
         public void Should_Return_Files_And_Folders_For_Pattern_Containing_Character_Wildcard()
         {
             // Given
@@ -172,7 +171,7 @@ public void Should_Return_Files_And_Folders_For_Pattern_Containing_Character_Wil
             result.ShouldContainFilePath(@"\\Server\Foo\Baz\Qux.c");
         }
 
-        [WindowsFact]
+        [Fact]
         public void Should_Return_Files_For_Pattern_Ending_With_Character_Wildcard_And_Dot()
         {
             // Given
@@ -187,7 +186,7 @@ public void Should_Return_Files_For_Pattern_Ending_With_Character_Wildcard_And_D
             result.ShouldContainFilePath(@"\\Server\Bar.Qux.Test.dll");
         }
 
-        [WindowsFact]
+        [Fact]
         public void Should_Return_File_For_Recursive_Wildcard_Pattern_Ending_With_Wildcard_Regex()
         {
             // Given
@@ -205,7 +204,7 @@ public void Should_Return_File_For_Recursive_Wildcard_Pattern_Ending_With_Wildca
             result.ShouldContainFilePath(@"\\Server\Bar\Qux.c");
         }
 
-        [WindowsFact]
+        [Fact]
         public void Should_Return_Only_Folders_For_Pattern_Ending_With_Recursive_Wildcard()
         {
             // Given
@@ -224,7 +223,7 @@ public void Should_Return_Only_Folders_For_Pattern_Ending_With_Recursive_Wildcar
             result.ShouldContainDirectoryPath(@"\\Server\Bar");
         }
 
-        [WindowsFact]
+        [Fact]
         public void Should_Include_Files_In_Root_Folder_When_Using_Recursive_Wildcard()
         {
             // Given
@@ -238,7 +237,7 @@ public void Should_Include_Files_In_Root_Folder_When_Using_Recursive_Wildcard()
             result.ShouldContainFilePath(@"\\Foo\Bar.baz");
         }
 
-        [WindowsFact]
+        [Fact]
         public void Should_Include_Folder_In_Root_Folder_When_Using_Recursive_Wildcard()
         {
             // Given
@@ -252,7 +251,7 @@ public void Should_Include_Folder_In_Root_Folder_When_Using_Recursive_Wildcard()
             result.ShouldContainDirectoryPath(@"\\Foo\Bar");
         }
 
-        [WindowsFact]
+        [Fact]
         public void Should_Parse_Glob_Expressions_With_Parenthesis_In_Them()
         {
             // Given
@@ -266,7 +265,7 @@ public void Should_Parse_Glob_Expressions_With_Parenthesis_In_Them()
             result.ShouldContainFilePath(@"\\Foo (Bar)\Baz.c");
         }
 
-        [WindowsFact]
+        [Fact]
         public void Should_Parse_Glob_Expressions_With_AtSign_In_Them()
         {
             // Given
@@ -280,7 +279,7 @@ public void Should_Parse_Glob_Expressions_With_AtSign_In_Them()
             result.ShouldContainFilePath(@"\\Foo@Bar\Baz.c");
         }
 
-        [WindowsFact]
+        [Fact]
         public void Should_Parse_Glob_Expressions_With_Relative_Directory_Not_At_The_Beginning()
         {
             // Given
@@ -295,7 +294,7 @@ public void Should_Parse_Glob_Expressions_With_Relative_Directory_Not_At_The_Beg
             result.ShouldContainFilePath(@"\\Server\Bar.Qux.Test.dll");
         }
 
-        [WindowsFact]
+        [Fact]
         public void Should_Parse_Glob_Expressions_With_Unicode_Characters_And_Ending_With_Identifier()
         {
             // Given
@@ -309,7 +308,7 @@ public void Should_Parse_Glob_Expressions_With_Unicode_Characters_And_Ending_Wit
             result.ShouldContainFilePath(@"\\嵌套\目录\文件.延期");
         }
 
-        [WindowsFact]
+        [Fact]
         public void Should_Parse_Glob_Expressions_With_Unicode_Characters_And_Not_Ending_With_Identifier()
         {
             // Given
diff --git a/src/Spectre.IO.Tests/Unit/Globbing/WindowsGlobberTests.cs b/src/Spectre.IO.Tests/Unit/Globbing/WindowsGlobberTests.cs
index f7fc242..6a703cd 100644
--- a/src/Spectre.IO.Tests/Unit/Globbing/WindowsGlobberTests.cs
+++ b/src/Spectre.IO.Tests/Unit/Globbing/WindowsGlobberTests.cs
@@ -1,6 +1,6 @@
 using Shouldly;
-using Spectre.IO.Testing.Xunit;
 using Spectre.IO.Tests.Fixtures;
+using Xunit;
 
 namespace Spectre.IO.Tests.Unit.IO.Globbing
 {
@@ -8,7 +8,7 @@ public sealed class WindowsGlobberTests
     {
         public sealed class TheMatchMethod
         {
-            [WindowsFact]
+            [Fact]
             public void Will_Fix_Root_If_Drive_Is_Missing_By_Using_The_Drive_From_The_Working_Directory()
             {
                 // Given
@@ -22,7 +22,7 @@ public void Will_Fix_Root_If_Drive_Is_Missing_By_Using_The_Drive_From_The_Workin
                 result.ShouldContainFilePath("C:/Working/Foo/Bar/Qux.c");
             }
 
-            [WindowsFact]
+            [Fact]
             public void Should_Ignore_Case_Sensitivity_On_Case_Insensitive_Operative_System()
             {
                 // Given
@@ -36,7 +36,7 @@ public void Should_Ignore_Case_Sensitivity_On_Case_Insensitive_Operative_System(
                 result.ShouldContainFilePath("C:/Working/Foo/Bar/Qux.c");
             }
 
-            [WindowsFact]
+            [Fact]
             public void Should_Parse_Glob_Expressions_With_Parenthesis_In_Them()
             {
                 // Given
@@ -50,7 +50,7 @@ public void Should_Parse_Glob_Expressions_With_Parenthesis_In_Them()
                 result.ShouldContainFilePath("C:/Program Files (x86)/Foo.c");
             }
 
-            [WindowsFact]
+            [Fact]
             public void Should_Parse_Glob_Expressions_With_Ampersand_In_Them()
             {
                 // Given
@@ -64,7 +64,7 @@ public void Should_Parse_Glob_Expressions_With_Ampersand_In_Them()
                 result.ShouldContainFilePath("C:/Tools & Services/MyTool.dll");
             }
 
-            [WindowsFact]
+            [Fact]
             public void Should_Parse_Glob_Expressions_With_Plus_In_Them()
             {
                 // Given
@@ -78,7 +78,7 @@ public void Should_Parse_Glob_Expressions_With_Plus_In_Them()
                 result.ShouldContainFilePath("C:/Tools + Services/MyTool.dll");
             }
 
-            [WindowsFact]
+            [Fact]
             public void Should_Parse_Glob_Expressions_With_Percent_In_Them()
             {
                 // Given
@@ -92,7 +92,7 @@ public void Should_Parse_Glob_Expressions_With_Percent_In_Them()
                 result.ShouldContainFilePath("C:/Some %2F Directory/MyTool.dll");
             }
 
-            [WindowsFact]
+            [Fact]
             public void Should_Parse_Glob_Expressions_With_Exclamation_In_Them()
             {
                 // Given
@@ -106,7 +106,7 @@ public void Should_Parse_Glob_Expressions_With_Exclamation_In_Them()
                 result.ShouldContainFilePath("C:/Some ! Directory/MyTool.dll");
             }
 
-            [WindowsFact]
+            [Fact]
             public void Should_Parse_Glob_Expressions_With_AtSign_In_Them()
             {
                 // Given
@@ -120,7 +120,7 @@ public void Should_Parse_Glob_Expressions_With_AtSign_In_Them()
                 result.ShouldContainFilePath("C:/Some@Directory/MyTool.dll");
             }
 
-            [WindowsFact]
+            [Fact]
             public void Should_Return_Files_For_Pattern_Ending_With_Character_Wildcard_And_Dot_On_Windows()
             {
                 // Given
@@ -135,7 +135,7 @@ public void Should_Return_Files_For_Pattern_Ending_With_Character_Wildcard_And_D
                 result.ShouldContainFilePath("C:/Working/Project.B.Test.dll");
             }
 
-            [WindowsFact]
+            [Fact]
             public void Should_Return_Files_And_Folders_For_Pattern_Containing_Bracket_Wildcard_On_Windows()
             {
                 // Given
@@ -150,7 +150,7 @@ public void Should_Return_Files_And_Folders_For_Pattern_Containing_Bracket_Wildc
                 result.ShouldContainFilePath("C:/Working/foobaz.rs");
             }
 
-            [WindowsFact]
+            [Fact]
             public void Should_Return_Files_And_Folders_For_Pattern_Containing_Brace_Expansion_On_Windows()
             {
                 // Given
@@ -165,7 +165,7 @@ public void Should_Return_Files_And_Folders_For_Pattern_Containing_Brace_Expansi
                 result.ShouldContainFilePath("C:/Working/foobax.rs");
             }
 
-            [WindowsFact]
+            [Fact]
             public void Should_Return_Files_And_Folders_For_Pattern_Containing_Negated_Bracket_Wildcard_On_Windows()
             {
                 // Given
diff --git a/src/Spectre.IO.Tests/Unit/PathTests.cs b/src/Spectre.IO.Tests/Unit/PathTests.cs
index 786dce0..8f910fb 100644
--- a/src/Spectre.IO.Tests/Unit/PathTests.cs
+++ b/src/Spectre.IO.Tests/Unit/PathTests.cs
@@ -1,5 +1,4 @@
 using Shouldly;
-using Spectre.IO.Testing.Xunit;
 using Xunit;
 
 namespace Spectre.IO.Tests.Unit.IO
@@ -212,7 +211,7 @@ public void An_UNC_Path_Is_Always_Considered_To_Be_Absolute()
                 path.IsRelative.ShouldBeFalse();
             }
 
-            [WindowsTheory]
+            [Theory]
             [InlineData("c:/assets/shaders", false)]
             [InlineData("c:/assets/shaders/basic.frag", false)]
             [InlineData("c:/", false)]
diff --git a/src/Spectre.IO.Tests/Utilities/WindowsFactAttribute.cs b/src/Spectre.IO.Tests/Utilities/WindowsFactAttribute.cs
deleted file mode 100644
index d345cc4..0000000
--- a/src/Spectre.IO.Tests/Utilities/WindowsFactAttribute.cs
+++ /dev/null
@@ -1,18 +0,0 @@
-using Spectre.IO.Internal;
-using Xunit;
-
-namespace Spectre.IO.Testing.Xunit
-{
-    public sealed class WindowsFactAttribute : FactAttribute
-    {
-        private static readonly PlatformFamily _family = EnvironmentHelper.GetPlatformFamily();
-
-        public WindowsFactAttribute(string reason = null)
-        {
-            if (_family != PlatformFamily.Windows)
-            {
-                Skip = reason ?? "Windows test.";
-            }
-        }
-    }
-}
\ No newline at end of file
diff --git a/src/Spectre.IO.Tests/Utilities/WindowsTheoryAttribute.cs b/src/Spectre.IO.Tests/Utilities/WindowsTheoryAttribute.cs
deleted file mode 100644
index ebf09e3..0000000
--- a/src/Spectre.IO.Tests/Utilities/WindowsTheoryAttribute.cs
+++ /dev/null
@@ -1,18 +0,0 @@
-using Spectre.IO.Internal;
-using Xunit;
-
-namespace Spectre.IO.Testing.Xunit
-{
-    public sealed class WindowsTheoryAttribute : TheoryAttribute
-    {
-        private static readonly PlatformFamily _family = EnvironmentHelper.GetPlatformFamily();
-
-        public WindowsTheoryAttribute(string reason = null)
-        {
-            if (_family != PlatformFamily.Windows)
-            {
-                Skip = reason ?? "Windows test.";
-            }
-        }
-    }
-}
\ No newline at end of file
diff --git a/src/Spectre.IO/Internal/PathHelper.cs b/src/Spectre.IO/Internal/PathHelper.cs
index b62d3e5..0710b60 100644
--- a/src/Spectre.IO/Internal/PathHelper.cs
+++ b/src/Spectre.IO/Internal/PathHelper.cs
@@ -9,8 +9,6 @@ internal static class PathHelper
         private const char Slash = '/';
         private const string UncPrefix = @"\\";
 
-        private static readonly bool _isWindows = EnvironmentHelper.GetPlatformFamily() == PlatformFamily.Windows;
-
         public static string Combine(params string[] paths)
         {
             if (paths.Length == 0)
@@ -280,13 +278,10 @@ public static bool IsPathRooted(string path)
                     }
                 }
 
-                if (_isWindows)
+                // Windows drive?
+                if (length >= 2 && path[1] == ':')
                 {
-                    // Windows drive?
-                    if (length >= 2 && path[1] == ':')
-                    {
-                        return true;
-                    }
+                    return true;
                 }
             }