diff --git a/configure.cmd b/configure.cmd
index b4cf0b95482..ffb7a3d7012 100644
--- a/configure.cmd
+++ b/configure.cmd
@@ -1,4 +1,5 @@
 @echo off
+SET NUGET_PACKAGES=
 powershell.exe -NoProfile -ExecutionPolicy RemoteSigned -Command "%~dpn0.ps1" -SkipDotnetInfo %*
 IF ERRORLEVEL 1 (
   EXIT /B %ERRORLEVEL%
diff --git a/configure.ps1 b/configure.ps1
index 628cd89c108..cc0e1656cca 100644
--- a/configure.ps1
+++ b/configure.ps1
@@ -37,6 +37,12 @@ $ErrorActionPreference = 'Stop'
 
 Trace-Log "Configuring NuGet.Client build environment"
 
+if ($env:CI -eq "true") {
+    [Environment]::SetEnvironmentVariable("NUGET_PACKAGES", $null, "Machine")
+} else {
+    $Env:NUGET_PACKAGES=""
+}
+
 $BuildErrors = @()
 
 if ($ProcDump -eq $true -Or $env:CI -eq "true")
diff --git a/configure.sh b/configure.sh
index fc7c207d6c6..f2e85d54514 100644
--- a/configure.sh
+++ b/configure.sh
@@ -50,6 +50,7 @@ fi
 export DOTNET_ROOT="$CLI_DIR"
 export DOTNET_MULTILEVEL_LOOKUP="0"
 export "PATH=$CLI_DIR:$PATH"
+export NUGET_PACKAGES=
 
 if [ "$CI" == "true" ]; then
     echo "##vso[task.setvariable variable=DOTNET_ROOT;isOutput=false;issecret=false;]$CLI_DIR"