diff --git a/src/System.Management.Automation/engine/InitialSessionState.cs b/src/System.Management.Automation/engine/InitialSessionState.cs
index f6a371a9d4..46fd2b99a1 100644
--- a/src/System.Management.Automation/engine/InitialSessionState.cs
+++ b/src/System.Management.Automation/engine/InitialSessionState.cs
@@ -4616,7 +4616,9 @@ end {
                     new SessionStateAliasEntry("dir", "Get-ChildItem", string.Empty, AllScope),
                     new SessionStateAliasEntry("echo", "Write-Output", string.Empty, AllScope),
                     new SessionStateAliasEntry("fc", "Format-Custom", string.Empty, ReadOnly),
+#if !UNIX
                     new SessionStateAliasEntry("kill", "Stop-Process"),
+#endif
                     new SessionStateAliasEntry("pwd", "Get-Location"),
                     new SessionStateAliasEntry("type", "Get-Content"),
 // #if !CORECLR is used to disable aliases for cmdlets which are not available on OneCore or not appropriate for PSCore6 due to conflicts
diff --git a/test/powershell/engine/Basic/DefaultCommands.Tests.ps1 b/test/powershell/engine/Basic/DefaultCommands.Tests.ps1
index 7854270532..1c64bc8171 100644
--- a/test/powershell/engine/Basic/DefaultCommands.Tests.ps1
+++ b/test/powershell/engine/Basic/DefaultCommands.Tests.ps1
@@ -94,7 +94,7 @@ Describe "Verify approved aliases list" -Tags "CI" {
 "Alias",        "ise",                              "powershell_ise.exe",               $($FullCLR                               ),     "ReadOnly",             "",                     ""
 "Alias",        "iwmi",                             "Invoke-WMIMethod",                 $($FullCLR                               ),     "ReadOnly",             "",                     ""
 "Alias",        "iwr",                              "Invoke-WebRequest",                $($FullCLR -or $CoreWindows -or $CoreUnix),     "ReadOnly",             "",                     ""
-"Alias",        "kill",                             "Stop-Process",                     $($FullCLR -or $CoreWindows -or $CoreUnix),     "",                     "",                     ""
+"Alias",        "kill",                             "Stop-Process",                     $($FullCLR -or $CoreWindows              ),     "",                     "",                     ""
 "Alias",        "lp",                               "Out-Printer",                      $($FullCLR                               ),     "ReadOnly",             "",                     ""
 "Alias",        "ls",                               "Get-ChildItem",                    $($FullCLR -or $CoreWindows              ),     "",                     "",                     ""
 "Alias",        "man",                              "help",                             $($FullCLR -or $CoreWindows              ),     "",                     "",                     ""