diff --git a/utils/build.ps1 b/utils/build.ps1
index 45793f83e7516..afb2c65e19dbc 100644
--- a/utils/build.ps1
+++ b/utils/build.ps1
@@ -3169,16 +3169,18 @@ function Build-ExperimentalSDK([Hashtable] $Platform) {
   Invoke-BuildStep Build-ExperimentalRuntime $Platform
   Invoke-BuildStep Build-ExperimentalRuntime $Platform -Static
 
+  $SDKROOT = Get-SwiftSDK $Platform.OS -Identifier "$($Platform.OS)Experimental"
+
   Invoke-IsolatingEnvVars {
     $env:Path = "$(Get-CMarkBinaryCache $Platform)\src;$(Get-PinnedToolchainRuntime);${env:Path}"
 
     Build-CMakeProject `
       -Src $SourceCache\swift-corelibs-libdispatch `
       -Bin (Get-ProjectBinaryCache $Platform ExperimentalDynamicDispatch) `
-      -InstallTo "$(Get-SwiftSDK $Platform.OS -Identifier "$($Platform.OS)Experimental")\usr" `
+      -InstallTo "${SDKROOT}\usr" `
       -Platform $Platform `
       -UseBuiltCompilers C,CXX,Swift `
-      -SwiftSDK (Get-SwiftSDK $Platform.OS -Identifier "$($Platform.OS)Experimental") `
+      -SwiftSDK "${SDKROOT}" `
       -Defines @{
         BUILD_SHARED_LIBS = "YES";
         CMAKE_FIND_PACKAGE_PREFER_CONFIG = "YES";
@@ -3190,10 +3192,10 @@ function Build-ExperimentalSDK([Hashtable] $Platform) {
     Build-CMakeProject `
       -Src $SourceCache\swift-corelibs-libdispatch `
       -Bin (Get-ProjectBinaryCache $Platform ExperimentalStaticDispatch) `
-      -InstallTo "$(Get-SwiftSDK $Platform.OS -Identifier "$($Platform.OS)Experimental")\usr" `
+      -InstallTo "${SDKROOT}\usr" `
       -Platform $Platform `
       -UseBuiltCompilers C,CXX,Swift `
-      -SwiftSDK (Get-SwiftSDK $Platform.OS -Identifier "$($Platform.OS)Experimental") `
+      -SwiftSDK "${SDKROOT}" `
       -Defines @{
         BUILD_SHARED_LIBS = "NO";
         CMAKE_Swift_FLAGS = @("-static-stdlib", "-Xfrontend", "-use-static-resource-dir");
@@ -3206,10 +3208,10 @@ function Build-ExperimentalSDK([Hashtable] $Platform) {
   Build-CMakeProject `
     -Src $SourceCache\swift-corelibs-foundation `
     -Bin (Get-ProjectBinaryCache $Platform ExperimentalDynamicFoundation) `
-    -InstallTo "$(Get-SwiftSDK $Platform.OS -Identifier "$($Platform.OS)Experimental")\usr" `
+    -InstallTo "${SDKROOT}\usr" `
     -Platform $Platform `
     -UseBuiltCompilers ASM,C,CXX,Swift `
-    -SwiftSDK (Get-SwiftSDK $Platform.OS -Identifier "$($Platform.OS)Experimental") `
+    -SwiftSDK "${SDKROOT}" `
     -Defines @{
       BUILD_SHARED_LIBS = "YES";
       CMAKE_FIND_PACKAGE_PREFER_CONFIG = "YES";
@@ -3237,10 +3239,10 @@ function Build-ExperimentalSDK([Hashtable] $Platform) {
   Build-CMakeProject `
     -Src $SourceCache\swift-corelibs-foundation `
     -Bin (Get-ProjectBinaryCache $Platform ExperimentalStaticFoundation) `
-    -InstallTo "$(Get-SwiftSDK $Platform.OS -Identifier "$($Platform.OS)Experimental")\usr" `
+    -InstallTo "${SDKROOT}\usr" `
     -Platform $Platform `
     -UseBuiltCompilers ASM,C,CXX,Swift `
-    -SwiftSDK (Get-SwiftSDK $Platform.OS -Identifier "$($Platform.OS)Experimental") `
+    -SwiftSDK ${SDKROOT} `
     -Defines @{
       BUILD_SHARED_LIBS = "NO";
       CMAKE_FIND_PACKAGE_PREFER_CONFIG = "YES";
@@ -3986,14 +3988,16 @@ if (-not $SkipBuild) {
         foreach ($Build in $WindowsSDKBuilds) {
           Invoke-BuildStep Build-ExperimentalSDK $Build
 
+          $SDKROOT = Get-SwiftSDK Windows -Identifier WindowsExperimental
+
           Get-ChildItem "$(Get-SwiftSDK Windows -Identifier WindowsExperimental)\usr\lib\swift\windows" -Filter "*.lib" -File -ErrorAction Ignore | ForEach-Object {
             Write-Host -BackgroundColor DarkRed -ForegroundColor White "$($_.FullName) is not nested in an architecture directory"
-            Move-Item $_.FullName "$(Get-SwiftSDK Windows -Identifier WindowsExperimental)\usr\lib\swift\windows\$($Build.Architecture.LLVMName)\" | Out-Null
+            Move-Item $_.FullName "$SDKROOT\usr\lib\swift\windows\$($Build.Architecture.LLVMName)\" | Out-Null
           }
 
           Get-ChildItem "$(Get-SwiftSDK Windows -Identifier WindowsExperimental)\usr\lib\swift_static\windows" -Filter "*.lib" -File -ErrorAction Ignore | ForEach-Object {
             Write-Host -BackgroundColor DarkRed -ForegroundColor White "$($_.FullName) is not nested in an architecture directory"
-            Move-Item $_.FullName "$(Get-SwiftSDK Windows -Identifier WindowsExperimental)\usr\lib\swift_static\windows\$($Build.Architecture.LLVMName)\" | Out-Null
+            Move-Item $_.FullName "$SDKROOT\usr\lib\swift_static\windows\$($Build.Architecture.LLVMName)\" | Out-Null
           }
 
           # FIXME(compnerd) how do we select which SDK is meant to be re-distributed?
@@ -4029,14 +4033,16 @@ if (-not $SkipBuild) {
           foreach ($Build in $AndroidSDKBuilds) {
             Invoke-BuildStep Build-ExperimentalSDK $Build
 
+            $SDKROOT = Get-SwiftSDK Android -Identifier AndroidExperimental
+
             Get-ChildItem "$(Get-SwiftSDK Android -Identifier AndroidExperimental)\usr\lib\swift\android" -File | Where-Object { $_.Name -match ".a$|.so$" } | ForEach-Object {
               Write-Host -BackgroundColor DarkRed -ForegroundColor White "$($_.FullName) is not nested in an architecture directory"
-              Move-Item $_.FullName "$(Get-SwiftSDK Android -Identifier AndroidExperimental)\usr\lib\swift\android\$($Build.Architecture.LLVMName)\" | Out-Null
+              Move-Item $_.FullName "$SDKROOT\usr\lib\swift\android\$($Build.Architecture.LLVMName)\" | Out-Null
             }
 
             Get-ChildItem "$(Get-SwiftSDK Android -Identifier AndroidExperimental)\usr\lib\swift_static\android" -File | Where-Object { $_.Name -match ".a$|.so$" } | ForEach-Object {
               Write-Host -BackgroundColor DarkRed -ForegroundColor White "$($_.FullName) is not nested in an architecture directory"
-              Move-Item $_.FullName "$(Get-SwiftSDK Android -Identifier AndroidExperimental)\usr\lib\swift_static\android\$($Build.Architecture.LLVMName)\" | Out-Null
+              Move-Item $_.FullName "$SDKROOT\usr\lib\swift_static\android\$($Build.Architecture.LLVMName)\" | Out-Null
             }
           }