diff --git a/contrib/chg/README b/contrib/chg/README
--- a/contrib/chg/README
+++ b/contrib/chg/README
@@ -13,7 +13,6 @@ Usage:
  $ chg help                 # show help of Mercurial
  $ alias hg=chg             # replace hg command
  $ chg --kill-chg-daemon    # terminate background server
- $ chg --reload-chg-daemon  # reload configuration files
 
 Environment variables:
 
@@ -21,8 +20,7 @@ Although cHg tries to update environment
 changed after spawning the server. The following variables are specially
 handled:
 
- * configuration files are reloaded if HGPLAIN or HGPLAINEXCEPT changed, but
-   some behaviors won't change correctly.
+ * configuration files are reloaded automatically by default.
  * CHGHG or HG specifies the path to the hg executable spawned as the
    background command server.
 
diff --git a/contrib/chg/chg.1 b/contrib/chg/chg.1
--- a/contrib/chg/chg.1
+++ b/contrib/chg/chg.1
@@ -35,9 +35,6 @@ command. Additionally it accepts the fol
 .TP
 .B \-\-kill\-chg\-daemon
 Terminate the background command servers.
-.TP
-.B \-\-reload\-chg\-daemon
-Reload configuration files.
 .SH SEE ALSO
 .BR hg (1),
 .SH AUTHOR
diff --git a/contrib/chg/chg.c b/contrib/chg/chg.c
--- a/contrib/chg/chg.c
+++ b/contrib/chg/chg.c
@@ -539,8 +539,6 @@ int main(int argc, const char *argv[], c
 		int sig = 0;
 		if (strcmp(argv[1], "--kill-chg-daemon") == 0)
 			sig = SIGTERM;
-		if (strcmp(argv[1], "--reload-chg-daemon") == 0)
-			sig = SIGHUP;
 		if (sig > 0) {
 			killcmdserver(&opts, sig);
 			return 0;
diff --git a/hgext/chgserver.py b/hgext/chgserver.py
--- a/hgext/chgserver.py
+++ b/hgext/chgserver.py
@@ -28,9 +28,6 @@
 'validate' command
     reload the config and check if the server is up to date
 
-'SIGHUP' signal
-    reload configuration files
-
 Config
 ------
 
@@ -48,7 +45,6 @@ import errno
 import inspect
 import os
 import re
-import signal
 import struct
 import sys
 import threading
@@ -616,7 +612,6 @@ class AutoExitMixIn:  # use old-style to
 
 class chgunixservice(commandserver.unixservice):
     def init(self):
-        signal.signal(signal.SIGHUP, self._reloadconfig)
         self._inithashstate()
         class cls(AutoExitMixIn, SocketServer.ForkingMixIn,
                   SocketServer.UnixStreamServer):
@@ -647,9 +642,6 @@ class chgunixservice(commandserver.unixs
         os.symlink(os.path.basename(self.address), tempaddress)
         util.rename(tempaddress, self.baseaddress)
 
-    def _reloadconfig(self, signum, frame):
-        self.ui = self.server.ui = _renewui(self.ui)
-
     def run(self):
         try:
             self.server.serve_forever()