diff --git a/pipeline-templates/dependency-build/WindowsMSVCQt5.9.template b/pipeline-templates/dependency-build/WindowsMSVCQt5.9.template
index 3b6ed2b..a91b9da 100644
--- a/pipeline-templates/dependency-build/WindowsMSVCQt5.9.template
+++ b/pipeline-templates/dependency-build/WindowsMSVCQt5.9.template
@@ -1,57 +1,58 @@
 // Request a node to be allocated to us
 node( currentPlatform ) {
 	// We want Timestamps on everything
 	timestamps {
 
 		// First Thing: Checkout Sources
 		stage('Checkout Sources') {
 			// Make sure we have a clean slate to begin with
 			deleteDir()
 
 			// Our CI scripts
 			checkout changelog: false, poll: false, scm: [
 				$class: 'GitSCM',
 				branches: [[name: 'master']],
 				extensions: [[$class: 'RelativeTargetDirectory', relativeTargetDir: 'ci-tooling/']],
 				userRemoteConfigs: [[url: 'https://anongit.kde.org/sysadmin/ci-tooling']]
 			]
 
 			// Projects metadata and next generation dependency metadata
 			checkout changelog: false, poll: false, scm: [
 				$class: 'GitSCM',
 				branches: [[name: 'master']],
 				extensions: [[$class: 'RelativeTargetDirectory', relativeTargetDir: 'ci-tooling/repo-metadata/']],
 				userRemoteConfigs: [[url: 'https://anongit.kde.org/sysadmin/repo-metadata']]
 			]
 
 			// Dependency Metadata
 			checkout changelog: false, poll: false, scm: [
 				$class: 'GitSCM',
 				branches: [[name: 'master']],
 				extensions: [[$class: 'RelativeTargetDirectory', relativeTargetDir: 'ci-tooling/kde-build-metadata/']],
 				userRemoteConfigs: [[url: 'https://anongit.kde.org/kde-build-metadata']]
 			]
 
 		}
 
 		// Now we can build the dependencies of this product
 		stage('Build Product Dependencies') {
 			// This script will do the following:
 			// 1) Determine what is in this Product
 			// 2) Determine what those repositories depend on
 			// 3) Determine what dependencies are outside of this Product
 			// 4) Sort those dependencies into an appropriate order to build them
 			// 5) Checkout, Configure, Compile, Install and Capture the Installation each of those dependencies in turn
 			// We can't do this as Pipeline steps unfortunately (at least not easily)
 			// Tests and Other Quality Tests won't be run during this process
 			// The results of this process are only intended to be used as part of the base of this Product, so don't need testing
 			bat """
 				call "C:/Program Files (x86)/Microsoft Visual Studio/2017/Professional/VC/Auxiliary/Build/vcvars64.bat"
 				set CRAFT_ROOT=C:/CM/MSVCQt5.9/
 				python -u ci-tooling/helpers/build-product-dependencies.py --product ${productName} --branchGroup ${branchGroup} --environment ${ciEnvironment} --platform ${currentPlatform} --installTo "%WORKSPACE%/install-prefix/"
 			"""
 		}
 
-
+		// As the Windows Slaves are permanent ones, we erase the Workspace as the last thing we do
+		deleteDir()
 	}
 }