diff --git a/README.md b/README.md
index 038b167..d9497dd 100644
--- a/README.md
+++ b/README.md
@@ -57,6 +57,10 @@ If you want to deploy the code on a PI for production:
 This **only applies to non-Raspbian installations**, since Raspbian ships
 RPi.GPIO with the default installation.
 
+If you also want to use the in-kernel SPI drivers with a MAX31855 sensor:
+
+    $ sudo pip install Adafruit-MAX31855
+
 ### Clone repo
 
     $ git clone https://github.com/apollo-ng/picoReflow.git
diff --git a/requirements.txt b/requirements.txt
deleted file mode 100644
index 215aad3..0000000
--- a/requirements.txt
+++ /dev/null
@@ -1 +0,0 @@
-Adafruit-MAX31855>=1.6.1
\ No newline at end of file