diff --git a/Hardware-Preparation.md b/Hardware-Preparation.md
index cf5e45f6..bd1c3b45 100644
--- a/Hardware-Preparation.md
+++ b/Hardware-Preparation.md
@@ -41,38 +41,13 @@ If everything went well, you are now in Flash Mode and ready to continue with th
Check the module specific instructions and restrictions documented in the **device specific articles linked in the menu on the right** 🡺
-
-----
-----
-
-### S20 Smart Socket
-
-
-The picture shows how to program the S20 Smart Socket powered by the FTDI USB converter. With newer US sockets, either use a right-angle header, or remove the header after flashing. Otherwise, the pushbutton may rub against a pin and get stuck.
-
-
-
-
-
-### Sonoff RF
-
-The Sonoff RF needs some tweaking as the connection needed during programming between the button and GPIO0 might not be present.
-
-[Phalox](http://phalox.be/wp/electronics/itead-sonoff-slampher-custom-firmware-fix/) explains the case with a picture where you have to install a jumper wire for R21. I received the same result using a small screwdriver and shorting both solder pads of R21 while holding down the button during programming.
-
-
-
-Pairing the iTead RF remote controller is the same as with the original iTead software:
-- two short button presses will blink a red led shortly and start RF signal recognition. Three longer blinks signal RF reception.
-- three short button presses will keep the red led on for some seconds and erase the known RF code.
-
-I was unable to pair the Sonoff RF 434MHz receiver with my KaKu switches but the iTead provided remote control works just fine.
### Motor Clockwise/Anticlockwise
@@ -96,4 +71,4 @@ Don't forget to reconnect the TX jumper after flashing ;)
-
+
\ No newline at end of file