diff --git a/Xargo.toml b/Xargo.toml
deleted file mode 100644
index 72578c6..0000000
--- a/Xargo.toml
+++ /dev/null
@@ -1,8 +0,0 @@
-[dependencies.std]
-features = ["panic_unwind"]
-
-[dependencies.test]
-stage = 1
-
-[target.avr-atmega328p.dependencies]
-core = { git = "https://github.com/avr-rust/libcore", branch = "rust-26015da0" }
diff --git a/avr-atmega328p.json b/avr-atmega328p.json
deleted file mode 100644
index 951e1ef..0000000
--- a/avr-atmega328p.json
+++ /dev/null
@@ -1,26 +0,0 @@
-{
-  "llvm-target": "avr-unknown-unknown",
-  "cpu": "atmega328p",
-  "target-endian": "little",
-  "target-pointer-width": "16",
-  "os": "unknown",
-  "target-env": "",
-  "target-vendor": "unknown",
-  "arch": "avr",
-  "data-layout": "e-p:16:8-i8:8-i16:8-i32:8-i64:8-f32:8-f64:8-n8-a:8",
-
-  "executables": true,
-
-  "linker": "avr-gcc",
-  "linker-flavor": "gcc",
-  "pre-link-args": {
-    "gcc": ["-Os", "-mmcu=atmega328p"]
-  },
-  "exe-suffix": ".elf",
-  "post-link-args": {
-    "gcc": ["-Wl,--gc-sections"]
-  },
-
-  "no-default-libraries": false
-}
-
diff --git a/build.sh b/build.sh
deleted file mode 100755
index c81f123..0000000
--- a/build.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#! /bin/sh
-export AVR_CPU_FREQUENCY=16000000
-xargo build --target avr-atmega328p $@