diff --git a/plugins/Infobot.py b/plugins/Infobot.py
index f82ad8a27..c89788a5b 100755
--- a/plugins/Infobot.py
+++ b/plugins/Infobot.py
@@ -212,7 +212,6 @@ class Infobot(callbacks.PrivmsgCommandAndRegexp):
             assert self.msg is not None
             msg = self.msg
         isAre = None
-        key = plugins.standardSubstitute(irc, msg, key)
         if self.db.hasIs(key):
             isAre = 'is'
             value = self.db.getIs(key)
@@ -246,7 +245,7 @@ class Infobot(callbacks.PrivmsgCommandAndRegexp):
 
     _forceRe = re.compile(r'^no[,: -]+', re.I)
     def doPrivmsg(self, irc, msg):
-        if ircmsgs.isAction(msg):
+        if ircmsgs.isCtcp(msg):
             return
         maybeAddressed = callbacks.addressed(irc.nick, msg,
                                              whenAddressedByNick=True)
@@ -316,7 +315,6 @@ class Infobot(callbacks.PrivmsgCommandAndRegexp):
     def doUnknown(self, irc, msg, match):
         r"^(.+?)\?[?!. ]*$"
         key = match.group(1)
-        key = plugins.standardSubstitute(irc, msg, key)
         if self.addressed or self.registryValue('answerUnaddressedQuestions'):
             self.factoid(key) # Does the dunno'ing for us itself.
     # TODO: Add invalidCommand.
@@ -335,8 +333,6 @@ class Infobot(callbacks.PrivmsgCommandAndRegexp):
            not self.registryValue('snarfUnaddressedDefinitions'):
             return
         isAre = isAre.lower()
-        key = plugins.standardSubstitute(irc, msg, key)
-        value = plugins.standardSubstitute(irc, msg, value)
         if isAre in ('was', 'is', 'am'):
             if self.db.hasIs(key):
                 if also:
diff --git a/plugins/Relay.py b/plugins/Relay.py
index df2f85aa6..67d2269d6 100644
--- a/plugins/Relay.py
+++ b/plugins/Relay.py
@@ -480,7 +480,7 @@ class Relay(callbacks.Privmsg):
             irc = self._getRealIrc(irc)
             if channel not in self.registryValue('channels'):
                 return
-            if ircutils.isCtcp(msg) and \
+            if ircmsgs.isCtcp(msg) and \
                'AWAY' not in text and 'ACTION' not in text:
                 return
             network = self._getIrcName(irc)
diff --git a/src/callbacks.py b/src/callbacks.py
index 72381e81a..896b7b9be 100644
--- a/src/callbacks.py
+++ b/src/callbacks.py
@@ -481,7 +481,7 @@ class IrcObjectProxy(RichReplyMethods):
         self.finalEval()
 
     def _callInvalidCommands(self):
-        if ircutils.isCtcp(self.msg):
+        if ircmsgs.isCtcp(self.msg):
             log.debug('Skipping invalidCommand, msg is CTCP.')
             return
         log.debug('Calling invalidCommands.')
diff --git a/src/ircmsgs.py b/src/ircmsgs.py
index d9df9226c..c924c375a 100644
--- a/src/ircmsgs.py
+++ b/src/ircmsgs.py
@@ -211,11 +211,16 @@ class IrcMsg(object):
 ##     pass
 
 
+def isCtcp(msg):
+    """Returns whether or not msg is a CTCP message."""
+    return msg.command == 'PRIVMSG' and \
+           msg.args[1].startswith('\x01') and \
+           msg.args[1].endswith('\x01')
+
 def isAction(msg):
     """A predicate returning true if the PRIVMSG in question is an ACTION"""
-    if msg.command == 'PRIVMSG' and msg.args[1].endswith('\x01'):
-        L = msg.args[1].split(None, 1)
-        return len(L) == 2 and L[0] == '\x01ACTION'
+    if isCtcp(msg):
+        return len(msg.args[1].split(None, 1)) == 2
     else:
         return False
 
diff --git a/src/ircutils.py b/src/ircutils.py
index 2b0ee120e..e6fc56967 100644
--- a/src/ircutils.py
+++ b/src/ircutils.py
@@ -127,12 +127,6 @@ def isChannel(s):
     return (s and s[0] in '#&+!' and len(s) <= 50 and \
             '\x07' not in s and ',' not in s and ' ' not in s)
 
-def isCtcp(msg):
-    """Returns whether or not msg is a CTCP message."""
-    return msg.command == 'PRIVMSG' and \
-           msg.args[1].startswith('\x01') and \
-           msg.args[1].endswith('\x01')
-
 _patternCache = {}
 def _hostmaskPatternEqual(pattern, hostmask):
     """Returns True if hostmask matches the hostmask pattern pattern."""
diff --git a/test/test_ircmsgs.py b/test/test_ircmsgs.py
index 4488e6708..539674a5f 100644
--- a/test/test_ircmsgs.py
+++ b/test/test_ircmsgs.py
@@ -129,6 +129,10 @@ class FunctionsTestCase(SupyTestCase):
         for msg in msgs:
             self.failUnless(ircmsgs.isAction(msg))
 
+    def testIsCtcp(self):
+        self.failUnless(ircutils.isCtcp(ircmsgs.privmsg('foo',
+                                                        '\x01VERSION\x01')))
+
     def testIsActionFalseWhenNoSpaces(self):
         msg = ircmsgs.IrcMsg('PRIVMSG #foo :\x01ACTIONfoobar\x01')
         self.failIf(ircmsgs.isAction(msg))
diff --git a/test/test_ircutils.py b/test/test_ircutils.py
index 3549e7793..fe3d904b9 100644
--- a/test/test_ircutils.py
+++ b/test/test_ircutils.py
@@ -84,10 +84,6 @@ class FunctionsTestCase(SupyTestCase):
         self.failIf(ircutils.isChannel('foo'))
         self.failIf(ircutils.isChannel(''))
 
-    def testIsCtcp(self):
-        self.failUnless(ircutils.isCtcp(ircmsgs.privmsg('foo',
-                                                        '\x01VERSION\x01')))
-
     def testBold(self):
         s = ircutils.bold('foo')
         self.assertEqual(s[0], '\x02')