diff --git a/DEMO.md b/DEMO.md
index 4bf63cb..6ddde2a 100644
--- a/DEMO.md
+++ b/DEMO.md
@@ -18,14 +18,6 @@ When you use `demosh` to run this file, your cluster will be checked for you.
 
 <!-- @start_livecast -->
 
-The "diff -u99 --color" function does a simple colorized diff.
-
-```bash
-diff -u99 --color() {
-	diff -U 9999 "$1" "$2" | ./diffc
-}
-```
-
 ---
 <!-- @SHOW -->
 
diff --git a/diffc b/diffc
deleted file mode 100755
index 3ca2005..0000000
--- a/diffc
+++ /dev/null
@@ -1,26 +0,0 @@
-#!/usr/bin/env python
- 
-import sys
-
-import curses
-
-curses.setupterm()
-
-green = curses.tparm(curses.tigetstr("setaf"), 2).decode('utf-8')
-end = curses.tigetstr("sgr0").decode('utf-8')
-
-state = 0
-
-for line in sys.stdin:
-    line = line.rstrip()
-
-    if state == 0:
-        if line.startswith("@@"):
-            state = 1
-        continue
-
-    if state == 1:
-        if line.startswith("+"):
-            print(green + line[1:] + end)
-        else:
-            print(line[1:])
diff --git a/steps.sh b/steps.sh
deleted file mode 100644
index 1fc89db..0000000
--- a/steps.sh
+++ /dev/null
@@ -1,158 +0,0 @@
-cdiff() {
-	diff -U 9999 "$1" "$2" | ./diffc
-}
-
-#@SHOW
-
-#@clear
-
-# RETRIES
-#
-# Let's tell Emissary to add a retry when we call the
-# face service.
-#@echo
-#@noshow
-cdiff k8s/{01-base,02-retries}/face-mapping.yaml
-#@wait
-#@echo
-
-kubectl apply -f k8s/02-retries/face-mapping.yaml
-#@wait
-#@clear
-
-# RETRIES
-#
-# Great -- how about using Emissary to add a retry when
-# we call the smiley service, to get rid of the cursing
-# faces?
-#@echo
-#@noshow
-cdiff k8s/{01-base,02-retries}/smiley-mapping.yaml
-#@wait
-#@echo
-
-kubectl apply -f k8s/02-retries/smiley-mapping.yaml
-#@wait
-#@clear
-
-# RETRIES
-#
-# That didn't work because Emissary doesn't ever see the
-# call from the face service to the smiley service.
-# Instead, we'll ask Linkerd to do the retries.
-#@echo
-#@noshow
-cdiff k8s/{01-base,02-retries}/smiley-profile.yaml
-#@wait
-#@echo
-
-kubectl apply -f k8s/02-retries/smiley-profile.yaml
-#@wait
-#@clear
-
-# RETRIES
-#
-# We'll ask Linkerd to do retries for the color service,
-# too, to get rid of the grey backgrounds.
-#@echo
-#@noshow
-cdiff k8s/{01-base,02-retries}/color-profile.yaml
-#@wait
-#@echo
-
-kubectl apply -f k8s/02-retries/color-profile.yaml
-#@wait
-#@clear
-
-# TIMEOUTS
-#
-# Things are better, but still too slow. Let's add
-# timeouts, starting from the bottom of the call graph
-# this time.
-#
-# You'll see pink backgrounds here: timeouts aren't about
-# protecting the service, they're about providing agency
-# to the client. Here, the face service chooses to show
-# timeouts as a pink background.
-#@echo
-#@noshow
-cdiff k8s/{02-retries,03-timeouts}/color-profile.yaml
-#@wait
-#@echo
-
-kubectl apply -f k8s/03-timeouts/color-profile.yaml
-#@wait
-#@clear
-
-# TIMEOUTS
-#
-# Let's continue with the faces service. The faces
-# service shows a timeout as a sleeping face.
-#@echo
-#@noshow
-cdiff k8s/{02-retries,03-timeouts}/smiley-profile.yaml
-#@wait
-#@echo
-
-kubectl apply -f k8s/03-timeouts/smiley-profile.yaml
-#@wait
-#@clear
-
-# TIMEOUTS
-#
-# Finally, we'll add a timeout when Emissary calls the
-# faces service.
-#
-# Here, the client is the web app. The web app is OK
-# showing the user older data rather than showing them a
-# failure, but for the moment it will also put a counter
-# in the corner so that we can see when it's doing so for
-# demo purposes.
-#@echo
-#@noshow
-cdiff k8s/{02-retries,03-timeouts}/face-mapping.yaml
-#@wait
-#@echo
-
-kubectl apply -f k8s/03-timeouts/face-mapping.yaml
-#@wait
-#@clear
-
-# RATELIMITS
-#
-# Suppose someone adds some code to the faces service
-# that makes it collapse under too much load, rather than
-# just getting slower?
-#
-# As it happens, our faces service has exactly that code,
-# which we'll enable now.
-kubectl set env deploy -n faces face MAX_RATE=8.5
-#@wait
-#@clear
-
-# RATELIMITS
-#
-# We can tell Emissary to enforce a rate limit for
-# requests to the faces service. This is both protecting
-# the service and providing agency to the client: here,
-# our web app is going to handle rate limits just like it
-# handles timeouts.
-#@echo
-#@noshow
-cdiff k8s/{03-timeouts,04-ratelimits}/face-mapping.yaml
-#@wait
-#@echo
-
-kubectl apply -f k8s/04-ratelimits/face-mapping.yaml
-#@wait
-#@clear
-
-# SUMMARY
-#
-# We've used both Emissary and Linkerd to take a very,
-# very broken application and turn it into something the
-# user might actually have an OK experience with. Fixing
-# the application is, of course, still necessary!! but
-# making the user experience better is a good thing.
-
-#@wait