diff --git a/clean-tw.sh b/clean-tw.sh
new file mode 100644
index 0000000..56dc2bb
--- /dev/null
+++ b/clean-tw.sh
@@ -0,0 +1,20 @@
+#!/bin/sh
+
+function get_task_value {
+	 echo "$task_data" | grep "^$1" | sed -E "s/^$1 +//"
+}
+
+ids=$(task limit:none recur | grep -E '^ +[[:digit:]].*[[:alpha:]].*[[:digit:]]$' | sed -E 's/^ +([[:digit:]]+) .*/\1/')
+
+excluded_ids=$(for id in $ids
+					do
+						 task_data="$(task $id)"
+						 echo "$(get_task_value 'Parent task') $(get_task_value 'Description' | sed 's/ /_/g') $(get_task_value 'Due') $id"	 
+					done | sort | rev | uniq -f3 | rev | sed -E 's/.* ([[:digit:]]+)$/\1/')
+
+del_ids=$(for id in $excluded_ids $ids
+			 do
+				  echo $id
+			 done | sort | uniq -u)
+
+task $del_ids del