--- a/src/twisted/python/_setup.py
+++ b/src/twisted/python/_setup.py
@@ -144,7 +144,6 @@ _CONSOLE_SCRIPTS = [
     "conch = twisted.conch.scripts.conch:run",
     "mailmail = twisted.mail.scripts.mailmail:run",
     "pyhtmlizer = twisted.scripts.htmlizer:run",
-    "tkconch = twisted.conch.scripts.tkconch:run",
     "trial = twisted.scripts.trial:run",
     "twist = twisted.application.twist._twist:Twist.main",
     "twistd = twisted.scripts.twistd:run",
--- a/src/twisted/python/twisted-completion.zsh
+++ b/src/twisted/python/twisted-completion.zsh
@@ -1,4 +1,4 @@
-#compdef twist twistd trial conch cftp ckeygen pyhtmlizer tkconch
+#compdef twist twistd trial conch cftp ckeygen pyhtmlizer
 #
 # This is the ZSH completion file for Twisted commands. It calls the current
 # command-line with the special "--_shell-completion" option which is handled