diff --git a/releng.control/cc_config.xml b/releng.control/cc_config.xml
index 324a321ccd19c2743fb6a303b3095179b12a64b9..faf364da976b022731d04d11aa3f761571193b51 100644
--- a/releng.control/cc_config.xml
+++ b/releng.control/cc_config.xml
@@ -194,7 +194,7 @@
                     value="R2.0" />
                 <property
                     name="build.distribution"
-                    value="wtp" />                    
+                    value="wtp" />
                 <property
                     name="mapVersionTag"
                     value="R2_0_maintenance" />
@@ -254,7 +254,7 @@
         </schedule>
         </project>
     -->
-        <project
+    <project
         name="incubator-R0.5-I">
         <modificationset
             quietperiod="120">
@@ -394,7 +394,7 @@
     <property
         name="skipCleanBuild"
         value="yes" />     
-        -->               
+        -->
             </ant>
         </schedule>
     </project>
@@ -474,7 +474,7 @@
         </schedule>
     </project>
     <project
-        name="cleanup-artifacts-N">
+        name="cleanup-artifacts-B">
         <schedule
             interval="${time.oneHour}">
             <exec
@@ -482,6 +482,9 @@
                 command="${env.BUILD_HOME}/releng.control/cleanupArtifacts.sh">
             </exec>
         </schedule>
+        <modificationset>
+            <!-- use empty modification set, to override our default "force only" version in standard plugin definition -->
+        </modificationset>
         <!-- need to prevent, or override, default publishers,
             especially since the ant default antpublisher will
             result in error, if an ant build hasn't ran -->
diff --git a/releng.control/cleanupArtifacts.sh b/releng.control/cleanupArtifacts.sh
index 107411f44e71282239d4cc54d339d9dfcbe3ad6e..463aee5bc33a24c761ee309264c7ade05ed28de7 100644
--- a/releng.control/cleanupArtifacts.sh
+++ b/releng.control/cleanupArtifacts.sh
@@ -20,7 +20,7 @@ fi
 # existence of more recent builds into account, so we never
 # delete the last existing build (even if "old").
 
-n=10;
+ndays=5;
 artifactsDir=${PROJECT_ARTIFACTS};
 
 echo;
@@ -32,7 +32,7 @@ echo "            number of directories before cleaning: ${before}";
 # empty directories often result from "bad builds"
 find ${artifactsDir} -mindepth 2 -maxdepth 3 -type d -empty -exec rm -fr '{}' \;
 # now remove old ones
-find ${artifactsDir} -mindepth 2 -maxdepth 2 -ctime +$n -exec rm -fr '{}' \;
+find ${artifactsDir} -mindepth 2 -maxdepth 2 -ctime +$ndays -exec rm -fr '{}' \;
 
 after=`find ${artifactsDir} -mindepth 2 -maxdepth 2 | wc -l`;
 echo "            number of directories after cleaning: ${after}";