diff --git a/src/System.Management.Automation/CoreCLR/CorePsPlatform.cs b/src/System.Management.Automation/CoreCLR/CorePsPlatform.cs
index 02103d2850..81df0316e9 100644
--- a/src/System.Management.Automation/CoreCLR/CorePsPlatform.cs
+++ b/src/System.Management.Automation/CoreCLR/CorePsPlatform.cs
@@ -25,11 +25,7 @@ namespace System.Management.Automation
         {
             get
             {
-#if CORECLR
                 return RuntimeInformation.IsOSPlatform(OSPlatform.Linux);
-#else
-                return false;
-#endif
             }
         }
 
@@ -40,11 +36,7 @@ namespace System.Management.Automation
         {
             get
             {
-#if CORECLR
                 return RuntimeInformation.IsOSPlatform(OSPlatform.OSX);
-#else
-                return false;
-#endif
             }
         }
 
@@ -55,11 +47,7 @@ namespace System.Management.Automation
         {
             get
             {
-#if CORECLR
                 return RuntimeInformation.IsOSPlatform(OSPlatform.Windows);
-#else
-                return true;
-#endif
             }
         }
 
@@ -70,11 +58,7 @@ namespace System.Management.Automation
         {
             get
             {
-#if CORECLR
                 return true;
-#else
-                return false;
-#endif
             }
         }
 
@@ -85,9 +69,7 @@ namespace System.Management.Automation
         {
             get
             {
-#if !CORECLR
-                return false;
-#elif UNIX
+#if UNIX
                 return false;
 #else
                 if (_isNanoServer.HasValue) { return _isNanoServer.Value; }
@@ -117,9 +99,7 @@ namespace System.Management.Automation
         {
             get
             {
-#if !CORECLR
-                return false;
-#elif UNIX
+#if UNIX
                 return false;
 #else
                 if (_isIoT.HasValue) { return _isIoT.Value; }
@@ -142,7 +122,6 @@ namespace System.Management.Automation
             }
         }
 
-#if CORECLR
         /// <summary>
         /// True if it is the inbox powershell for NanoServer or IoT.
         /// </summary>
@@ -173,8 +152,6 @@ namespace System.Management.Automation
         private static bool? _isNanoServer = null;
         private static bool? _isIoT = null;
         private static bool? _isInbox = null;
-#endif
-
 #endif
 
         // format files
@@ -380,7 +357,7 @@ namespace System.Management.Automation
                             {
                                 //service accounts won't have permission to create user folder
                                 return GetTemporaryDirectory();
-                            }                                
+                            }
                         }
 
                         return Path.Combine(xdgcachehome, "powershell");
@@ -451,15 +428,15 @@ namespace System.Management.Automation
                     if (!System.IO.Directory.Exists(folderPath)) { folderPath = null; }
                     break;
                 case System.Environment.SpecialFolder.Personal:
-                    folderPath = envHome; 
+                    folderPath = envHome;
                     break;
                 case System.Environment.SpecialFolder.LocalApplicationData:
                     folderPath = System.IO.Path.Combine(envHome, ".config");
-                    if (!System.IO.Directory.Exists(folderPath)) 
+                    if (!System.IO.Directory.Exists(folderPath))
                     {
                         try
                         {
-                            System.IO.Directory.CreateDirectory(folderPath); 
+                            System.IO.Directory.CreateDirectory(folderPath);
                         }
                         catch (UnauthorizedAccessException)
                         {