diff --git a/Build/Scripts/runTests.sh b/Build/Scripts/runTests.sh
index 1ccf65eb24c9de057b1196f408bc36bc4253edf4..3bc6f2bdae21e7b300a4ad2359482ddb36721722 100755
--- a/Build/Scripts/runTests.sh
+++ b/Build/Scripts/runTests.sh
@@ -114,6 +114,13 @@ cleanTestFiles() {
         echo "done"
 }
 
+cleanRenderedDocumentationFiles() {
+    # > caches
+    echo -n "Clean rendered documentation files ... " ; rm -rf \
+        ../../../typo3/sysext/*/Documentation-GENERATED-temp ; \
+        echo "done"
+}
+
 # Load help text into $HELP
 # @todo Remove xdebug / php8.2 note after PHP8.2 image contains working xdebug.
 read -r -d '' HELP <<EOF
@@ -151,6 +158,7 @@ Options:
             - clean: clean up build, cache and testing related files and folders
             - cleanBuild: clean up build related files and folders
             - cleanCache: clean up cache related files and folders
+            - cleanRenderedDocumentation: clean up rendered documentation files and folders (Documentation-GENERATED-temp)
             - cleanTests: clean up test related files and folders
             - composerInstall: "composer install"
             - composerInstallMax: "composer update", with no platform.php config.
@@ -657,6 +665,7 @@ case ${TEST_SUITE} in
     clean)
         cleanBuildFiles
         cleanCacheFiles
+        cleanRenderedDocumentationFiles
         cleanTestFiles
         ;;
     cleanBuild)
@@ -665,6 +674,9 @@ case ${TEST_SUITE} in
     cleanCache)
         cleanCacheFiles
         ;;
+    cleanRenderedDocumentation)
+        cleanRenderedDocumentationFiles
+        ;;
     cleanTests)
         cleanTestFiles
         ;;