diff --git a/src/System.Management.Automation/engine/remoting/server/OutOfProcServerMediator.cs b/src/System.Management.Automation/engine/remoting/server/OutOfProcServerMediator.cs
index 1c2728cc6d6..06c992b842b 100644
--- a/src/System.Management.Automation/engine/remoting/server/OutOfProcServerMediator.cs
+++ b/src/System.Management.Automation/engine/remoting/server/OutOfProcServerMediator.cs
@@ -525,27 +525,16 @@ internal sealed class SSHProcessMediator : OutOfProcessMediatorBase
 
         private SSHProcessMediator() : base(true)
         {
-#if !UNIX
-            var inputHandle = PlatformInvokes.GetStdHandle((uint)PlatformInvokes.StandardHandleId.Input);
-            originalStdIn = new StreamReader(
-                new FileStream(new SafeFileHandle(inputHandle, false), FileAccess.Read));
-
-            var outputHandle = PlatformInvokes.GetStdHandle((uint)PlatformInvokes.StandardHandleId.Output);
-            originalStdOut = new OutOfProcessTextWriter(
-                new StreamWriter(
-                    new FileStream(new SafeFileHandle(outputHandle, false), FileAccess.Write)));
-
-            var errorHandle = PlatformInvokes.GetStdHandle((uint)PlatformInvokes.StandardHandleId.Error);
-            originalStdErr = new OutOfProcessTextWriter(
-                new StreamWriter(
-                    new FileStream(new SafeFileHandle(errorHandle, false), FileAccess.Write)));
-#else
             originalStdIn = new StreamReader(Console.OpenStandardInput(), true);
             originalStdOut = new OutOfProcessTextWriter(
                 new StreamWriter(Console.OpenStandardOutput()));
             originalStdErr = new OutOfProcessTextWriter(
                 new StreamWriter(Console.OpenStandardError()));
-#endif
+
+            // Disable console from writing to the PSRP streams.
+            Console.SetIn(TextReader.Null);
+            Console.SetOut(TextWriter.Null);
+            Console.SetError(TextWriter.Null);
         }
 
         #endregion
diff --git a/src/System.Management.Automation/utils/PlatformInvokes.cs b/src/System.Management.Automation/utils/PlatformInvokes.cs
index b6d919df82e..2901f7d9b6e 100644
--- a/src/System.Management.Automation/utils/PlatformInvokes.cs
+++ b/src/System.Management.Automation/utils/PlatformInvokes.cs
@@ -688,24 +688,6 @@ public static extern System.IntPtr CreateFileW(
             UInt32 dwFlagsAndAttributes,
             System.IntPtr hTemplateFile);
 
-#endif
-
-        #endregion
-
-        #region GetStdHandle
-
-#if !UNIX
-
-        internal enum StandardHandleId : uint
-        {
-            Error = unchecked((uint)-12),
-            Output = unchecked((uint)-11),
-            Input = unchecked((uint)-10),
-        }
-
-        [DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
-        public static extern IntPtr GetStdHandle(uint handleId);
-
 #endif
 
         #endregion