diff --git a/src/libraries/System.Net.Sockets/tests/FunctionalTests/ExecutionContextFlowTest.cs b/src/libraries/System.Net.Sockets/tests/FunctionalTests/ExecutionContextFlowTest.cs
index 4a020d921adde..dd4c41fbb1a80 100644
--- a/src/libraries/System.Net.Sockets/tests/FunctionalTests/ExecutionContextFlowTest.cs
+++ b/src/libraries/System.Net.Sockets/tests/FunctionalTests/ExecutionContextFlowTest.cs
@@ -335,7 +335,7 @@ public async Task APM_ExecutionContextFlowsAcrossBeginReceiveOperation(bool supp
             }
         }
 
-        [ConditionalTheory(typeof(PlatformDetection), nameof(PlatformDetection.IsNotWindowsSubsystemForLinux))] // [ActiveIssue("https://github.com/dotnet/runtime/issues/18258")]
+        [Theory]
         [InlineData(false, 0)]
         [InlineData(true, 0)]
         [InlineData(false, 1)]
diff --git a/src/libraries/System.Net.Sockets/tests/FunctionalTests/OSSupport.cs b/src/libraries/System.Net.Sockets/tests/FunctionalTests/OSSupport.cs
index 5e25f71a0765c..3e2886baf52b7 100644
--- a/src/libraries/System.Net.Sockets/tests/FunctionalTests/OSSupport.cs
+++ b/src/libraries/System.Net.Sockets/tests/FunctionalTests/OSSupport.cs
@@ -64,7 +64,7 @@ public void IOControl_FIONREAD_Success()
         }
 
         [PlatformSpecific(TestPlatforms.AnyUnix)]
-        [ConditionalFact(typeof(PlatformDetection), nameof(PlatformDetection.IsNotWindowsSubsystemForLinux))] // [ActiveIssue("https://github.com/dotnet/runtime/issues/18258")]
+        [Fact]
         [ActiveIssue("https://github.com/dotnet/runtime/issues/50568", TestPlatforms.Android)]
         public void IOControl_SIOCATMARK_Unix_Success()
         {
diff --git a/src/libraries/System.Net.Sockets/tests/FunctionalTests/SelectTest.cs b/src/libraries/System.Net.Sockets/tests/FunctionalTests/SelectTest.cs
index e3187cdc066df..347df8870f1e9 100644
--- a/src/libraries/System.Net.Sockets/tests/FunctionalTests/SelectTest.cs
+++ b/src/libraries/System.Net.Sockets/tests/FunctionalTests/SelectTest.cs
@@ -178,7 +178,7 @@ public void Select_Read_OneReadyAtATime(int reads)
         }
 
         [SkipOnPlatform(TestPlatforms.OSX, "typical OSX install has very low max open file descriptors value")]
-        [ConditionalFact(typeof(PlatformDetection), nameof(PlatformDetection.IsNotWindowsSubsystemForLinux))] // [ActiveIssue("https://github.com/dotnet/runtime/issues/18258")]
+        [Fact]
         [ActiveIssue("https://github.com/dotnet/runtime/issues/51392", TestPlatforms.iOS | TestPlatforms.tvOS | TestPlatforms.MacCatalyst)]
         public void Select_Error_OneReadyAtATime()
         {
diff --git a/src/libraries/System.Net.Sockets/tests/FunctionalTests/SendReceive/SendReceiveMisc.cs b/src/libraries/System.Net.Sockets/tests/FunctionalTests/SendReceive/SendReceiveMisc.cs
index 2e72e501eb214..0a28ab0a52ee2 100644
--- a/src/libraries/System.Net.Sockets/tests/FunctionalTests/SendReceive/SendReceiveMisc.cs
+++ b/src/libraries/System.Net.Sockets/tests/FunctionalTests/SendReceive/SendReceiveMisc.cs
@@ -76,7 +76,7 @@ public void SendRecvIovMaxTcp_Success()
             }
         }
 
-        [ConditionalFact(typeof(PlatformDetection), nameof(PlatformDetection.IsNotWindowsSubsystemForLinux))] // [ActiveIssue("https://github.com/dotnet/runtime/issues/18258")]
+        [Fact]
         public void SendIovMaxUdp_SuccessOrMessageSize()
         {
             // sending more than IOV_MAX segments causes EMSGSIZE on some platforms.
@@ -117,7 +117,7 @@ public void SendIovMaxUdp_SuccessOrMessageSize()
             }
         }
 
-        [ConditionalFact(typeof(PlatformDetection), nameof(PlatformDetection.IsNotWindowsSubsystemForLinux))] // [ActiveIssue("https://github.com/dotnet/runtime/issues/18258")]
+        [Fact]
         public async Task ReceiveIovMaxUdp_SuccessOrMessageSize()
         {
             // receiving more than IOV_MAX segments causes EMSGSIZE on some platforms.
@@ -190,7 +190,7 @@ public async Task ReceiveIovMaxUdp_SuccessOrMessageSize()
             await receiveTask;
         }
 
-        [ConditionalFact(typeof(PlatformDetection), nameof(PlatformDetection.IsNotWindowsSubsystemForLinux))] // [ActiveIssue("https://github.com/dotnet/runtime/issues/18258")]
+        [Fact]
         [SkipOnPlatform(TestPlatforms.Windows, "All data is sent, even when very large (100M).")]
         public void SocketSendWouldBlock_ReturnsBytesSent()
         {
@@ -219,7 +219,7 @@ public void SocketSendWouldBlock_ReturnsBytesSent()
             }
         }
 
-        [ConditionalFact(typeof(PlatformDetection), nameof(PlatformDetection.IsNotWindowsSubsystemForLinux))] // [ActiveIssue("https://github.com/dotnet/runtime/issues/18258")]
+        [Fact]
         [PlatformSpecific(TestPlatforms.AnyUnix)]
         public async Task Socket_ReceiveFlags_Success()
         {
diff --git a/src/libraries/System.Net.Sockets/tests/FunctionalTests/SocketOptionNameTest.cs b/src/libraries/System.Net.Sockets/tests/FunctionalTests/SocketOptionNameTest.cs
index eccff0d22d630..e6868e4a6fbeb 100644
--- a/src/libraries/System.Net.Sockets/tests/FunctionalTests/SocketOptionNameTest.cs
+++ b/src/libraries/System.Net.Sockets/tests/FunctionalTests/SocketOptionNameTest.cs
@@ -227,7 +227,7 @@ public void MulticastInterface_Set_IPv6_InvalidIndex_Throws()
             }
         }
 
-        [ConditionalTheory(typeof(PlatformDetection), nameof(PlatformDetection.IsNotWindowsSubsystemForLinux))] // In WSL, the connect() call fails immediately.
+        [Theory]
         [InlineData(false)]
         [InlineData(true)]
         [SkipOnPlatform(TestPlatforms.FreeBSD, "on FreeBSD Connect may or may not fail immediately based on timing.")]
@@ -367,7 +367,7 @@ public void ReuseAddress_Windows(bool? exclusiveAddressUse, bool? firstSocketReu
             ReuseAddress(exclusiveAddressUse, firstSocketReuseAddress, secondSocketReuseAddress, expectFailure);
         }
 
-        [ConditionalFact(typeof(PlatformDetection), nameof(PlatformDetection.IsNotWindowsSubsystemForLinux))] // [ActiveIssue("https://github.com/dotnet/runtime/issues/18258")]
+        [Fact]
         [PlatformSpecific(TestPlatforms.AnyUnix)] // Windows defaults are different
         public void ExclusiveAddress_Default_Unix()
         {
@@ -379,7 +379,7 @@ public void ExclusiveAddress_Default_Unix()
             }
         }
 
-        [ConditionalTheory(typeof(PlatformDetection), nameof(PlatformDetection.IsNotWindowsSubsystemForLinux))] // [ActiveIssue("https://github.com/dotnet/runtime/issues/18258")]
+        [Theory]
         [InlineData(1)]
         [InlineData(0)]
         [PlatformSpecific(TestPlatforms.AnyUnix)] // Unix does not have separate options for ExclusiveAddressUse and ReuseAddress.
@@ -403,7 +403,7 @@ public void SettingExclusiveAddress_SetsReuseAddress(int value)
             }
         }
 
-        [ConditionalFact(typeof(PlatformDetection), nameof(PlatformDetection.IsNotWindowsSubsystemForLinux))] // [ActiveIssue("https://github.com/dotnet/runtime/issues/18258")]
+        [Fact]
         public void ExclusiveAddressUseTcp()
         {
             using (Socket a = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp))
@@ -547,7 +547,7 @@ public void GetSetRawSocketOption_Roundtrips(AddressFamily family)
             }
         }
 
-        [ConditionalFact(typeof(PlatformDetection), nameof(PlatformDetection.IsNotWindowsSubsystemForLinux))] // [ActiveIssue("https://github.com/dotnet/runtime/issues/18258")]
+        [Fact]
         [ActiveIssue("https://github.com/dotnet/runtime/issues/52124", TestPlatforms.iOS | TestPlatforms.tvOS | TestPlatforms.MacCatalyst)]
         public void Get_AcceptConnection_Succeeds()
         {
diff --git a/src/libraries/System.Net.Sockets/tests/FunctionalTests/TcpClientTest.cs b/src/libraries/System.Net.Sockets/tests/FunctionalTests/TcpClientTest.cs
index 3223a64dd076d..6f02308d73f4d 100644
--- a/src/libraries/System.Net.Sockets/tests/FunctionalTests/TcpClientTest.cs
+++ b/src/libraries/System.Net.Sockets/tests/FunctionalTests/TcpClientTest.cs
@@ -283,7 +283,7 @@ public void ExclusiveAddressUse_NullClient()
             }
         }
 
-        [ConditionalFact(typeof(PlatformDetection), nameof(PlatformDetection.IsNotWindowsSubsystemForLinux))] // [ActiveIssue("https://github.com/dotnet/runtime/issues/18258")]
+        [Fact]
         public void Roundtrip_ExclusiveAddressUse_GetEqualsSet_True()
         {
             using (TcpClient client = new TcpClient())
@@ -293,7 +293,7 @@ public void Roundtrip_ExclusiveAddressUse_GetEqualsSet_True()
             }
         }
 
-        [ConditionalFact(typeof(PlatformDetection), nameof(PlatformDetection.IsNotWindowsSubsystemForLinux))] // [ActiveIssue("https://github.com/dotnet/runtime/issues/18258")]
+        [Fact]
         public void Roundtrip_ExclusiveAddressUse_GetEqualsSet_False()
         {
             using (TcpClient client = new TcpClient())
diff --git a/src/libraries/System.Net.Sockets/tests/FunctionalTests/TcpListenerTest.cs b/src/libraries/System.Net.Sockets/tests/FunctionalTests/TcpListenerTest.cs
index b23ad8cd0759c..9415b4961a251 100644
--- a/src/libraries/System.Net.Sockets/tests/FunctionalTests/TcpListenerTest.cs
+++ b/src/libraries/System.Net.Sockets/tests/FunctionalTests/TcpListenerTest.cs
@@ -22,7 +22,7 @@ public void Ctor_InvalidArguments_Throws()
             AssertExtensions.Throws<ArgumentOutOfRangeException>("port", () => TcpListener.Create(66000));
         }
 
-        [ConditionalTheory(typeof(PlatformDetection), nameof(PlatformDetection.IsNotWindowsSubsystemForLinux))] // [ActiveIssue("https://github.com/dotnet/runtime/issues/18258")]
+        [Theory]
         [InlineData(0)]
         [InlineData(1)]
         [InlineData(2)]
diff --git a/src/libraries/System.Net.Sockets/tests/FunctionalTests/UdpClientTest.cs b/src/libraries/System.Net.Sockets/tests/FunctionalTests/UdpClientTest.cs
index 1137613a062c1..3b4479629507b 100644
--- a/src/libraries/System.Net.Sockets/tests/FunctionalTests/UdpClientTest.cs
+++ b/src/libraries/System.Net.Sockets/tests/FunctionalTests/UdpClientTest.cs
@@ -283,7 +283,7 @@ public void MulticastLoopback_Roundtrips()
             }
         }
 
-        [ConditionalFact(typeof(PlatformDetection), nameof(PlatformDetection.IsNotWindowsSubsystemForLinux))] // [ActiveIssue("https://github.com/dotnet/runtime/issues/18258")]
+        [Fact]
         public void EnableBroadcast_Roundtrips()
         {
             using (var udpClient = new UdpClient())