diff --git a/loader.py b/loader.py
index c2ad1d3..f6710da 100644
--- a/loader.py
+++ b/loader.py
@@ -70,6 +70,8 @@ def readVotes(folder):
     votes = dmt(items).map(mapvote, prefix + "mapping votes").getresults()
 
     print(prefix + "done")
+    items = None
+    gc.collect()
     return votes
 
 
@@ -136,7 +138,7 @@ def mapuser(item):
     return user
 
 
-Q_TAGS = ['Id', 'CreationDate', 'Body', 'Title', 'OwnerUserId', 'OwnerDisplayName', 'Score']
+Q_TAGS = ['Id', 'CreationDate', 'OwnerUserId', 'OwnerDisplayName', 'Score']
 Q_DTAGS = ['CreationDate']
 Q_ITAGS = ['Id', 'OwnerUserId', 'Score']
 Q_BODY = 'Body'
@@ -155,6 +157,7 @@ def mapQuestion(item):
 A_TAGS = ['Id', 'ParentId', 'CreationDate', 'Body', 'OwnerUserId', 'Score']
 A_DTAGS = ['CreationDate']
 A_ITAGS = ['Id', 'ParentId', 'OwnerUserId', 'Score']
+A_BODY = 'Body'
 
 
 def mapAnswer(item):
@@ -163,7 +166,7 @@ def mapAnswer(item):
         answer[tag] = datetime.fromisoformat(answer[tag])
     for tag in A_ITAGS:
         answer[tag] = int(answer[tag]) if answer[tag] is not None else None
-    answer['Body'] = removetags(html.unescape(answer['Body']))
+    answer[A_BODY] = removetags(html.unescape(answer[A_BODY]))
     return answer