diff --git a/patches/0006-alloc-Disable-some-unsupported-stuff.patch b/patches/0006-alloc-Disable-some-unsupported-stuff.patch
deleted file mode 100644
index 18911113f19..00000000000
--- a/patches/0006-alloc-Disable-some-unsupported-stuff.patch
+++ /dev/null
@@ -1,54 +0,0 @@
-From 610096e32cc7cfba58358219a1cf25ff72123208 Mon Sep 17 00:00:00 2001
-From: bjorn3 <bjorn3@users.noreply.github.com>
-Date: Sun, 24 Feb 2019 11:27:11 +0100
-Subject: [PATCH] [alloc] Disable some unsupported stuff
-
----
- src/liballoc/boxed.rs | 6 ------
- src/liballoc/vec.rs   | 2 --
- 2 files changed, 8 deletions(-)
-
-diff --git a/src/liballoc/boxed.rs b/src/liballoc/boxed.rs
-index 0cd2373..696535a 100644
---- a/src/liballoc/boxed.rs
-+++ b/src/liballoc/boxed.rs
-@@ -423,9 +423,6 @@ impl<T: ?Sized + Hasher> Hasher for Box<T> {
-     fn write_u64(&mut self, i: u64) {
-         (**self).write_u64(i)
-     }
--    fn write_u128(&mut self, i: u128) {
--        (**self).write_u128(i)
--    }
-     fn write_usize(&mut self, i: usize) {
-         (**self).write_usize(i)
-     }
-@@ -441,9 +438,6 @@ impl<T: ?Sized + Hasher> Hasher for Box<T> {
-     fn write_i64(&mut self, i: i64) {
-         (**self).write_i64(i)
-     }
--    fn write_i128(&mut self, i: i128) {
--        (**self).write_i128(i)
--    }
-     fn write_isize(&mut self, i: isize) {
-         (**self).write_isize(i)
-     }
-diff --git a/src/liballoc/vec.rs b/src/liballoc/vec.rs
-index 229dafc..944856e 100644
---- a/src/liballoc/vec.rs
-+++ b/src/liballoc/vec.rs
-@@ -1601,13 +1601,11 @@ impl_is_zero!(i8, |x| x == 0);
- impl_is_zero!(i16, |x| x == 0);
- impl_is_zero!(i32, |x| x == 0);
- impl_is_zero!(i64, |x| x == 0);
--impl_is_zero!(i128, |x| x == 0);
- impl_is_zero!(isize, |x| x == 0);
- 
- impl_is_zero!(u16, |x| x == 0);
- impl_is_zero!(u32, |x| x == 0);
- impl_is_zero!(u64, |x| x == 0);
--impl_is_zero!(u128, |x| x == 0);
- impl_is_zero!(usize, |x| x == 0);
- 
- impl_is_zero!(bool, |x| x == false);
--- 
-2.17.2 (Apple Git-113)
diff --git a/src/base.rs b/src/base.rs
index c1ce5409ab2..b36e673854e 100644
--- a/src/base.rs
+++ b/src/base.rs
@@ -66,6 +66,8 @@ fn trans_fn<'a, 'clif, 'tcx: 'a, B: Backend + 'static>(
 
     // Step 2. Check fn sig for u128 and i128 and replace those functions with a trap.
     {
+        // FIXME implement u128 and i128 support
+
         // Step 2a. Check sig for u128 and i128
         let fn_ty = instance.ty(tcx);
         let fn_sig = crate::abi::ty_fn_sig(tcx, fn_ty);