diff --git a/hwdb.d/60-evdev.hwdb b/hwdb.d/60-evdev.hwdb
index 9fcb4a3ddf1..c97cd135576 100644
--- a/hwdb.d/60-evdev.hwdb
+++ b/hwdb.d/60-evdev.hwdb
@@ -3,11 +3,6 @@
 # The lookup keys are composed in:
 #   60-evdev.rules
 #
-# Note: The format of the "evdev:" prefix match key is a contract between the
-# rules file and the hardware data, it might change in later revisions to
-# support more or better matches, it is not necessarily expected to be a stable
-# ABI.
-#
 # Match string formats:
 # evdev:<modalias>
 # evdev:name:<device name>:dmi:<dmi string>
diff --git a/hwdb.d/60-input-id.hwdb b/hwdb.d/60-input-id.hwdb
index 2d5681dea69..802ed9a1e70 100644
--- a/hwdb.d/60-input-id.hwdb
+++ b/hwdb.d/60-input-id.hwdb
@@ -3,11 +3,6 @@
 # The lookup keys are composed in:
 #   60-input-id.rules
 #
-# Note: The format of the "input-id:" prefix match key is a contract between
-# the rules file and the hardware data, it might change in later revisions to
-# support more or better matches, it is not necessarily expected to be a stable
-# ABI.
-#
 # Match string formats:
 # id-input:modalias:<modalias>
 #
diff --git a/hwdb.d/60-keyboard.hwdb b/hwdb.d/60-keyboard.hwdb
index c196a1fd64b..7c830fb9b1e 100644
--- a/hwdb.d/60-keyboard.hwdb
+++ b/hwdb.d/60-keyboard.hwdb
@@ -13,11 +13,6 @@
 # The lookup keys are composed in:
 #   60-evdev.rules
 #
-# Note: The format of the "evdev:" prefix match key is a contract between the
-# rules file and the hardware data, it might change in later revisions to
-# support more or better matches, it is not necessarily expected to be a stable
-# ABI.
-#
 # Supported hardware matches are:
 #  - Generic input devices match:
 #      evdev:input:bZZZZvYYYYpXXXXeWWWW-VVVV
diff --git a/hwdb.d/60-sensor.hwdb b/hwdb.d/60-sensor.hwdb
index ea278913bc5..b54539bf536 100644
--- a/hwdb.d/60-sensor.hwdb
+++ b/hwdb.d/60-sensor.hwdb
@@ -3,11 +3,6 @@
 # The lookup keys are composed in:
 #   60-sensor.rules
 #
-# Note: The format of the "sensor:" prefix match key is a contract between the
-# rules file and the hardware data, it might change in later revisions to
-# support more or better matches, it is not necessarily expected to be a stable
-# ABI.
-#
 # Match string formats:
 # sensor:modalias:<parent modalias pattern>:dmi:<dmi pattern>
 #
diff --git a/hwdb.d/70-mouse.hwdb b/hwdb.d/70-mouse.hwdb
index 723d145e347..4084019bdef 100644
--- a/hwdb.d/70-mouse.hwdb
+++ b/hwdb.d/70-mouse.hwdb
@@ -6,11 +6,6 @@
 # The lookup keys are composed in:
 #   70-mouse.rules
 #
-# Note: The format of the "mouse:" prefix match key is a contract between the
-# rules file and the hardware data, it might change in later revisions to
-# support more or better matches, it is not necessarily expected to be a stable
-# ABI.
-#
 # Match key format:
 # mouse:<subsystem>:v<vid>p<pid>:name:<name>:
 #
diff --git a/hwdb.d/70-pointingstick.hwdb b/hwdb.d/70-pointingstick.hwdb
index 6039119b6a1..00f28c60340 100644
--- a/hwdb.d/70-pointingstick.hwdb
+++ b/hwdb.d/70-pointingstick.hwdb
@@ -7,10 +7,6 @@
 # The lookup keys are composed in:
 #   60-evdev.rules
 #
-# Note: The format of the "evdev:" prefix match key is a contract between the
-# rules file and the hardware data, it might change in later revisions to
-# support more or better matches, it is not necessarily a stable ABI.
-#
 # Supported hardware matches are:
 #  - Generic input devices match:
 #      evdev:input:bZZZZvYYYYpXXXXeWWWW-VVVV