diff --git a/commands/dedup.py b/commands/dedup.py
new file mode 100644
index 0000000..168b955
--- /dev/null
+++ b/commands/dedup.py
@@ -0,0 +1,24 @@
+import main
+from modules import chankeep
+from modules import helpers
+from json import dumps
+
+class DedupCommand:
+    def __init__(self, *args):
+        self.dedup(*args)
+
+    def dedup(self, addr, authed, data, obj, spl, success, failure, info, incUsage, length):
+        if authed:
+            if length == 1:
+                dupes = chankeep.getDuplicateChannels()
+                chankeep.partChannels(dupes)
+                info(dumps(dupes))
+                return
+            elif length == 2:
+                if spl[1] not in main.network.keys():
+                    failure("No such network: %s" % spl[1])
+                    return
+                dupes = chankeep.getDuplicateChannels(spl[1])
+                chankeep.partChannels(dupes)
+                info(dumps(dupes))
+                return
diff --git a/core/bot.py b/core/bot.py
index 1554423..d4b095d 100644
--- a/core/bot.py
+++ b/core/bot.py
@@ -628,6 +628,8 @@ class IRCBot(IRCClient):
     # End of Twisted hackery
 
     def regPing(self, negativepass=None, reset=True):
+        if not main.config["AutoReg"]:
+            return
         if self.authenticated:
             return
         if not regproc.needToAuth(self.net):
diff --git a/modules/chankeep.py b/modules/chankeep.py
index 157f643..716b791 100644
--- a/modules/chankeep.py
+++ b/modules/chankeep.py
@@ -4,10 +4,90 @@ from math import ceil
 from twisted.internet.threads import deferToThread
 
 import main
+from modules import helpers
 from utils.logging.debug import debug, trace
 from utils.logging.log import error, log, warn
 
 
+def getAllChannels(net=None):
+    """
+    Get a list of all channels on all relays.
+    :return: list of channels
+    """
+    channels = {}
+    if not net:
+        nets = main.network.keys()
+    else:
+        nets = [net]
+    for net in nets:
+        relays = helpers.get_connected_relays(net)
+        for relay in relays:
+            if net not in channels:
+                channels[net] = {}
+            if relay.num not in channels[net]:
+                channels[net][relay.num] = []
+            for channel in relay.channels:
+                channels[net][relay.num].append(channel)
+    # debug(f"getAllChannels(): {channels}")
+    return channels
+
+
+def getDuplicateChannels(net=None, total=False):
+    """
+    Get a list of duplicate channels.
+    :return: list of duplicate channels
+    """
+    allChans = getAllChannels(net)
+    duplicates = {}
+    for net in allChans.keys():
+        net_chans = []
+        inst = {}
+        # add all the channels from this network to a list
+        for num in allChans[net].keys():
+            net_chans.extend(allChans[net][num])
+        for channel in net_chans:
+            count_chan = net_chans.count(channel)
+            # I don't know why but it works
+            # this is used in userinfo.delChannels
+            set_min = 1
+            if total:
+                set_min = 0
+            if count_chan > set_min:
+                inst[channel] = count_chan
+        if inst:
+            duplicates[net] = inst
+
+    if total:
+        return duplicates
+
+    to_part = {}
+    for net in allChans:
+        if net in duplicates:
+            for num in allChans[net].keys():
+                for channel in allChans[net][num]:
+                    if channel in duplicates[net].keys():
+                        if duplicates[net][channel] > 1:
+                            if net not in to_part:
+                                to_part[net] = {}
+                            if num not in to_part[net]:
+                                to_part[net][num] = []
+                            to_part[net][num].append(channel)
+                            duplicates[net][channel] -= 1
+
+    return to_part
+
+
+def partChannels(data):
+    for net in data:
+        for num in data[net]:
+            name = f"{net}{num}"
+            if name in main.IRCPool.keys():
+                for channel in data[net][num]:
+                    if channel in main.IRCPool[name].channels:
+                        main.IRCPool[name].part(channel)
+                        log(f"Parted {channel} on {net} - {num}")
+
+
 def getEnabledRelays(net):
     """
     Get a list of enabled relays for a network.
@@ -241,7 +321,7 @@ def minifyChans(net, listinfo, as_list=False):
     if not allRelaysActive(net):
         error("All relays for %s are not active, cannot minify list" % net)
         return False
-    for i in getActiveRelays(net):
+    for i in getConnectedRelays(net):
         name = net + str(i)
         for x in main.IRCPool[name].channels:
             if as_list:
diff --git a/modules/userinfo.py b/modules/userinfo.py
index d281674..5180394 100644
--- a/modules/userinfo.py
+++ b/modules/userinfo.py
@@ -1,7 +1,8 @@
 from twisted.internet.threads import deferToThread
 
 import main
-from utils.logging.debug import trace
+from modules import chankeep
+from utils.logging.debug import debug, trace
 from utils.logging.log import warn
 from utils.parsing import parsen
 
@@ -289,5 +290,15 @@ def _delChannels(net, channels):
 
 def delChannels(net, channels):  # we have left a channel
     trace("Purging channel %s for %s" % (", ".join(channels), net))
-    deferToThread(_delChannels, net, channels)
+    dupes = chankeep.getDuplicateChannels(net, total=True)
+    print("dupes: %s" % dupes)
+    if not dupes:
+        deferToThread(_delChannels, net, channels)
+    else:
+        for channel in channels:
+            if channel in dupes[net]:
+                if dupes[net][channel] != 0:
+                    channels.remove(channel)
+                    debug(f"Not removing channel {channel} as {net} has {dupes[net][channel]} other relays covering it")
+        deferToThread(_delChannels, net, channels)
     # d.addCallback(testCallback)