diff --git a/RUNTIME/SECTOR.refresh.sh b/RUNTIME/SECTOR.refresh.sh
index 56b819ef..72da2cc4 100755
--- a/RUNTIME/SECTOR.refresh.sh
+++ b/RUNTIME/SECTOR.refresh.sh
@@ -361,6 +361,7 @@ for SECTOR in ${SECTORS[@]}; do
 
 ######################################################
     rm ~/.zen/tmp/${MOATS}/${SECTOR}.dunikey
+    [[ ${ZCHAIN} != "" ]] && ipfs pin rm ${ZCHAIN}
 
 ###################################################
 ## EXTRACT SECTOR LAST WEEK TIDDLERS TO IPFSNODEID CACHE