diff --git a/bugzilla.py b/bugzilla.py
index bf152e9856..5bb96dd050 100644
--- a/bugzilla.py
+++ b/bugzilla.py
@@ -8,7 +8,7 @@
 """
 from lxml import etree
 import re
-from willie import web
+from willie import web, tools
 from willie.module import rule
 import urllib
 import urllib2
@@ -35,7 +35,7 @@ def setup(bot):
             and bot.config.bugzilla.get_list('domains')):
         return
     if not bot.memory.contains('url_callbacks'):
-        bot.memory['url_callbacks'] = {}
+        bot.memory['url_callbacks'] = tools.WillieMemory()
 
     domains = '|'.join(bot.config.bugzilla.get_list('domains'))
     regex = re.compile((r'https?://(%s)'
diff --git a/find.py b/find.py
index a36a65d5a3..17fbc50d0e 100644
--- a/find.py
+++ b/find.py
@@ -12,12 +12,12 @@
 """
 
 import re
-from willie.tools import Nick
+from willie.tools import Nick, WillieMemory
 from willie.module import rule, priority
 
 
 def setup(bot):
-    bot.memory['find_lines'] = dict()
+    bot.memory['find_lines'] = WillieMemory()
 
 
 @rule('.*')
@@ -31,7 +31,7 @@ def collectlines(bot, trigger):
 
     # Add a log for the channel and nick, if there isn't already one
     if trigger.sender not in bot.memory['find_lines']:
-        bot.memory['find_lines'][trigger.sender] = dict()
+        bot.memory['find_lines'][trigger.sender] = WillieMemory()
     if Nick(trigger.nick) not in bot.memory['find_lines'][trigger.sender]:
         bot.memory['find_lines'][trigger.sender][Nick(trigger.nick)] = list()
 
diff --git a/reddit-info.py b/reddit-info.py
index 4a5c23a011..e1da91f823 100644
--- a/reddit-info.py
+++ b/reddit-info.py
@@ -7,6 +7,7 @@
 """
 
 from willie.module import commands, rule, example, NOLIMIT
+from willie import tools
 import praw
 import re
 domain = r'https?://(?:www\.|np\.)?reddit\.com'
@@ -18,7 +19,7 @@ def setup(bot):
     post_regex = re.compile(post_url)
     user_regex = re.compile(user_url)
     if not bot.memory.contains('url_callbacks'):
-        bot.memory['url_callbacks'] = {}
+        bot.memory['url_callbacks'] = tools.WillieMemory()
     bot.memory['url_callbacks'][post_regex] = rpost_info
     bot.memory['url_callbacks'][user_regex] = redditor_info
 
diff --git a/url.py b/url.py
index 032092a7f0..bcd364d1e8 100644
--- a/url.py
+++ b/url.py
@@ -9,7 +9,7 @@
 
 import re
 from htmlentitydefs import name2codepoint
-import willie.web as web
+from willie import web, tools
 from willie.module import commands, rule
 import urllib2
 import urlparse
@@ -64,9 +64,9 @@ def setup(bot):
 
     # Ensure that url_callbacks and last_seen_url are in memory
     if not bot.memory.contains('url_callbacks'):
-        bot.memory['url_callbacks'] = {}
+        bot.memory['url_callbacks'] = tools.WillieMemory()
     if not bot.memory.contains('last_seen_url'):
-        bot.memory['last_seen_url'] = {}
+        bot.memory['last_seen_url'] = tools.WillieMemory()
 
     if bot.config.has_option('url', 'exclusion_char'):
         exclusion_char = bot.config.url.exclusion_char
diff --git a/youtube.py b/youtube.py
index 4dd9a9a71d..d20377307b 100644
--- a/youtube.py
+++ b/youtube.py
@@ -11,7 +11,7 @@
 This module will respond to .yt and .youtube commands and searches the youtubes.
 """
 
-from willie import web
+from willie import web, tools
 from willie.module import rule, commands, example
 import json
 import re
@@ -21,11 +21,8 @@
 def setup(bot):
     regex = re.compile('(youtube.com/watch\S*v=|youtu.be/)([\w-]+)')
     if not bot.memory.contains('url_callbacks'):
-        bot.memory['url_callbacks'] = {regex, ytinfo}
-    else:
-        exclude = bot.memory['url_callbacks']
-        exclude[regex] = ytinfo
-        bot.memory['url_callbacks'] = exclude
+        bot.memory['url_callbacks'] = tools.WillieMemory()
+    bot.memory['url_callbacks'][regex] = exclude
 
 
 def ytget(bot, trigger, uri):