--- a/hgext/color.py	Tue Feb 21 18:09:21 2017 +0100
+++ b/hgext/color.py	Tue Feb 21 18:20:12 2017 +0100
@@ -175,9 +175,6 @@
     cmdutil,
     color,
     commands,
-    dispatch,
-    extensions,
-    ui as uimod,
 )
 
 cmdtable = {}
@@ -188,15 +185,6 @@
 # leave the attribute unspecified.
 testedwith = 'ships-with-hg-core'
 
-def uisetup(ui):
-    def colorcmd(orig, ui_, opts, cmd, cmdfunc):
-        mode = color._modesetup(ui_, opts['color'])
-        uimod.ui._colormode = mode
-        if mode and mode != 'debug':
-            color.configstyles(ui_)
-        return orig(ui_, opts, cmd, cmdfunc)
-    extensions.wrapfunction(dispatch, '_runcommand', colorcmd)
-
 def extsetup(ui):
     # change default color config
     for idx, entry in enumerate(commands.globalopts):