diff --git a/.jenkins_builds b/.jenkins_builds
index 0771fb9..98521a0 100644
--- a/.jenkins_builds
+++ b/.jenkins_builds
@@ -37,6 +37,9 @@ pipeline {
           }
         }
 
+        stage('clean_packages') {
+          steps { script { retryWithBackoff(2, 5) { sh 'clean_packages.sh' } } }
+        }
         stage('grab_packages') {
           steps { script { retryWithBackoff(2, 5) { sh 'grab_packages.sh' } } }
         }
diff --git a/.jenkins_macos b/.jenkins_macos
index fa9cbe7..59adfe2 100644
--- a/.jenkins_macos
+++ b/.jenkins_macos
@@ -36,6 +36,9 @@ pipeline {
           }
         }
 
+        stage('clean_packages') {
+          steps { script { retryWithBackoff(2, 5) { sh 'clean_packages.sh' } } }
+        }
         stage('grab_packages') {
           steps { script { retryWithBackoff(2, 5) { sh 'grab_packages.sh' } } }
         }
diff --git a/.jenkins_msys2 b/.jenkins_msys2
index a5da47f..1979965 100644
--- a/.jenkins_msys2
+++ b/.jenkins_msys2
@@ -36,6 +36,9 @@ pipeline {
           }
         }
 
+        stage('clean_packages') {
+          steps { script { retryWithBackoff(2, 5) { sh 'clean_packages.cmd' } } }
+        }
         stage('grab_packages') {
           steps { script { retryWithBackoff(2, 5) { sh 'grab_packages.cmd' } } }
         }
diff --git a/clean_packages.cmd b/clean_packages.cmd
new file mode 100644
index 0000000..adb16d6
--- /dev/null
+++ b/clean_packages.cmd
@@ -0,0 +1,11 @@
+@echo off
+
+setlocal
+
+pushd "%~dp0"
+call src\scripts\setup_msys2.cmd
+
+call mingw64 -no-start ./clean_packages.sh
+popd
+
+endlocal