diff --git a/build.ps1 b/build.ps1
index e399c7702..0dc2bcfbe 100644
--- a/build.ps1
+++ b/build.ps1
@@ -33,7 +33,6 @@ Function CleanFolder($path)
 
     get-childitem $path -File -Filter *.transform -Recurse  | foreach ($_) {remove-item $_.fullname}
 
-    get-childitem $path -File -Filter Newtonsoft.Json.* -Recurse  | foreach ($_) {remove-item $_.fullname}
 
     Write-Host Removing FluentValidation.Resources  files
     get-childitem $path -File -Filter FluentValidation.resources.dll -recurse | foreach ($_) {remove-item $_.fullname}
@@ -50,6 +49,7 @@ Function CleanFolder($path)
 
 Function AddJsonNet()
 {
+    get-childitem $outputFolder -File -Filter Newtonsoft.Json.* -Recurse  | foreach ($_) {remove-item $_.fullname}
     Copy-Item .\packages\Newtonsoft.Json.5.*\lib\net35\*.*  -Destination $outputFolder
 }