diff --git a/src/evdev-middle-button.c b/src/evdev-middle-button.c
index 0279442c..a9fb12ae 100644
--- a/src/evdev-middle-button.c
+++ b/src/evdev-middle-button.c
@@ -31,9 +31,8 @@
 
 /*****************************************
  * BEFORE YOU EDIT THIS FILE, look at the state diagram in
- * doc/middle-button-emulation-state-machine.svg, or online at
- * https://drive.google.com/file/d/0B1NwWmji69nodUJncXRMc1FvY1k/view?usp=sharing
- * (it's a http://draw.io diagram)
+ * doc/middle-button-emulation-state-machine.svg (generated with
+ * https://draw.io).
  *
  * Any changes in this file must be represented in the diagram.
  *
diff --git a/src/evdev-mt-touchpad-buttons.c b/src/evdev-mt-touchpad-buttons.c
index dd295e1e..df6ee126 100644
--- a/src/evdev-mt-touchpad-buttons.c
+++ b/src/evdev-mt-touchpad-buttons.c
@@ -35,10 +35,8 @@
 
 /*****************************************
  * BEFORE YOU EDIT THIS FILE, look at the state diagram in
- * doc/touchpad-softbutton-state-machine.svg, or online at
- * https://drive.google.com/file/d/0B1NwWmji69nocUs1cVJTbkdwMFk/edit?usp=sharing
- * (it's a http://draw.io diagram)
- *
+ * doc/touchpad-softbutton-state-machine.svg (generated with
+ * https://draw.io).
  * Any changes in this file must be represented in the diagram.
  *
  * The state machine only affects the soft button area code.
diff --git a/src/evdev-mt-touchpad-tap.c b/src/evdev-mt-touchpad-tap.c
index 889e2d3f..e103856e 100644
--- a/src/evdev-mt-touchpad-tap.c
+++ b/src/evdev-mt-touchpad-tap.c
@@ -47,10 +47,8 @@ enum tap_event {
 /*****************************************
  * DO NOT EDIT THIS FILE!
  *
- * Look at the state diagram in doc/touchpad-tap-state-machine.svg, or
- * online at
- * https://drive.google.com/file/d/0B1NwWmji69noYTdMcU1kTUZuUVE/edit?usp=sharing
- * (it's a http://draw.io diagram)
+ * Look at the state diagram in doc/touchpad-tap-state-machine.svg
+ * (generated with https://draw.io)
  *
  * Any changes in this file must be represented in the diagram.
  */