diff --git a/.gitignore b/.gitignore
index 660a55ca5..eae0d6198 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,10 @@ website/build
 *.xcworkspace
 **/Pods/
 **/xcuserdata/
+
+# Android / Intellij
+local.properties
+*.iml
+.gradle/
+.idea
+.externalNativeBuild
diff --git a/.gitmodules b/.gitmodules
deleted file mode 100644
index 849454e73..000000000
--- a/.gitmodules
+++ /dev/null
@@ -1,3 +0,0 @@
-[submodule "libs/folly"]
-	path = libs/folly
-	url = https://github.com/facebook/folly.git
diff --git a/libs/folly b/libs/folly
deleted file mode 160000
index 54b202c06..000000000
--- a/libs/folly
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 54b202c06dc1a9e5ab354659b537feab4f4984a2
diff --git a/local.properties b/local.properties
deleted file mode 100644
index 323ad260c..000000000
--- a/local.properties
+++ /dev/null
@@ -1,12 +0,0 @@
-## This file is automatically generated by Android Studio.
-# Do not modify this file -- YOUR CHANGES WILL BE ERASED!
-#
-# This file must *NOT* be checked into Version Control Systems,
-# as it contains information specific to your local configuration.
-#
-# Location of the SDK. This is only used by Gradle.
-# For customization when using a Version Control System, please read the
-# header note.
-#Tue May 29 22:12:21 BST 2018
-ndk.dir=/opt/android_sdk/ndk-bundle
-sdk.dir=/opt/android_sdk