diff --git a/src/Microsoft.PowerShell.Commands.Diagnostics/PdhSafeHandle.cs b/src/Microsoft.PowerShell.Commands.Diagnostics/PdhSafeHandle.cs
index 3a122d8ce..eaa6a401b 100644
--- a/src/Microsoft.PowerShell.Commands.Diagnostics/PdhSafeHandle.cs
+++ b/src/Microsoft.PowerShell.Commands.Diagnostics/PdhSafeHandle.cs
@@ -5,9 +5,7 @@
 using System;
 using System.Runtime.InteropServices;
 
-#if !CORECLR
 using System.Runtime.ConstrainedExecution;
-#endif
 
 namespace Microsoft.Powershell.Commands.GetCounter.PdhNative
 {
@@ -24,9 +22,7 @@ namespace Microsoft.Powershell.Commands.GetCounter.PdhNative
         }
 
 
-#if !CORECLR // ReliabilityContract not supported on CoreCLR
         [ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
-#endif
         protected override bool ReleaseHandle()
         {
             return (PdhHelper.PdhCloseLog(handle, 0) == 0);
@@ -49,9 +45,7 @@ namespace Microsoft.Powershell.Commands.GetCounter.PdhNative
         }
 
 
-#if !CORECLR // ReliabilityContract not supported on CoreCLR
         [ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
-#endif
         protected override bool ReleaseHandle()
         {
             return (PdhHelper.PdhCloseQuery(handle) == 0);
@@ -71,14 +65,10 @@ namespace Microsoft.Powershell.Commands.GetCounter.PdhNative
         }
 
 
-#if !CORECLR // ReliabilityContract not supported on CoreCLR
         [ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
-#endif
         protected override bool ReleaseHandle()
         {
             return (PdhHelper.PdhCloseLog(handle, 0) == 0);
         }
     }
 }
-
-