diff --git a/python/private/build_data_writer.ps1 b/python/private/build_data_writer.ps1
index 384d1ce539..db7a48e676 100644
--- a/python/private/build_data_writer.ps1
+++ b/python/private/build_data_writer.ps1
@@ -1,7 +1,6 @@
 $OutputPath = $env:OUTPUT
 
 Add-Content -Path $OutputPath -Value "TARGET $env:TARGET"
-Add-Content -Path $OutputPath -Value "CONFIG_ID $env:CONFIG_ID"
 Add-Content -Path $OutputPath -Value "CONFIG_MODE $env:CONFIG_MODE"
 Add-Content -Path $OutputPath -Value "STAMPED $env:STAMPED"