diff --git a/.gitignore b/.gitignore
index 0ac8e9d..75ce3c8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,4 +8,5 @@
 .externalNativeBuild
 /*.fit
 /*.csv
+/app/libs/*.jar
 /.idea
diff --git a/README.md b/README.md
index c7fffae..a4d261b 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,8 @@ Android App to export GPX and FIT to garmin devices
 
 ## HOWTO Develop
 * create directory app/libs
-* copy fit.jar from the Garmin FitSDK to app/libs
+* copy fit.jar from the [Garmin FitSDK](https://developer.garmin.com/fit/download/) to app/libs
+* Download the [Connect IQ Mobile SDK (Android BLE/ADB)](https://developer.garmin.com/connect-iq/sdk/), open the .aar archive and copy the classes.jar file to app/libs
 * Android Studio -> Settings -> System Settings -> Android SDK -> "SDK Tools" Tab -> Check "Support Repository/Constraint Layout"
 * start TestServer.main() (this fires up the webserver on localhost)
 * develop with the ConnectIQ simulator (connects to the webserver on localhost)
diff --git a/app/libs/connectiq.jar b/app/libs/connectiq.jar
deleted file mode 100644
index e959a13..0000000
Binary files a/app/libs/connectiq.jar and /dev/null differ
diff --git a/app/libs/fit.jar b/app/libs/fit.jar
deleted file mode 100644
index 8270b8e..0000000
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