diff --git a/src/librustc_back/target/aarch64_linux_android.rs b/src/librustc_back/target/aarch64_linux_android.rs
index 140195c780b9c..54eead94986cc 100644
--- a/src/librustc_back/target/aarch64_linux_android.rs
+++ b/src/librustc_back/target/aarch64_linux_android.rs
@@ -10,6 +10,9 @@
 
 use target::{Target, TargetOptions, TargetResult};
 
+// See https://developer.android.com/ndk/guides/abis.html#arm64-v8a
+// for target ABI requirements.
+
 pub fn target() -> TargetResult {
     let mut base = super::android_base::opts();
     base.max_atomic_width = Some(128);
diff --git a/src/librustc_back/target/armv7_linux_androideabi.rs b/src/librustc_back/target/armv7_linux_androideabi.rs
index 42f0deaa3fbff..36f409b7948c2 100644
--- a/src/librustc_back/target/armv7_linux_androideabi.rs
+++ b/src/librustc_back/target/armv7_linux_androideabi.rs
@@ -1,4 +1,4 @@
-// Copyright 2014 The Rust Project Developers. See the COPYRIGHT
+// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
 // file at the top-level directory of this distribution and at
 // http://rust-lang.org/COPYRIGHT.
 //
@@ -10,9 +10,12 @@
 
 use target::{Target, TargetOptions, TargetResult};
 
+// See https://developer.android.com/ndk/guides/abis.html#v7a
+// for target ABI requirements.
+
 pub fn target() -> TargetResult {
     let mut base = super::android_base::opts();
-    base.features = "+v7,+thumb2,+vfp3,+d16".to_string();
+    base.features = "+v7,+thumb2,+vfp3,+d16,-neon".to_string();
     base.max_atomic_width = Some(64);
 
     Ok(Target {
diff --git a/src/librustc_back/target/i686_linux_android.rs b/src/librustc_back/target/i686_linux_android.rs
index a2c007d496960..f8a8f5a3500be 100644
--- a/src/librustc_back/target/i686_linux_android.rs
+++ b/src/librustc_back/target/i686_linux_android.rs
@@ -10,6 +10,9 @@
 
 use target::{Target, TargetResult};
 
+// See https://developer.android.com/ndk/guides/abis.html#x86
+// for target ABI requirements.
+
 pub fn target() -> TargetResult {
     let mut base = super::android_base::opts();