diff --git a/Cargo.lock b/Cargo.lock
index e409fe78..ea2cc2e3 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,13 +1,5 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
-[[package]]
-name = "array-init"
-version = "0.0.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "array-init"
 version = "0.0.4"
@@ -30,7 +22,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "blog_os"
 version = "0.1.0"
 dependencies = [
- "array-init 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "bootloader 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "spin 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -247,7 +238,6 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [metadata]
-"checksum array-init 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c3cc8456d0ae81a8c76f59e384683a601548c38949a4bfcb65dd31ded5c75ff3"
 "checksum array-init 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "23589ecb866b460d3a0f1278834750268c607e8e28a1b982c907219f3178cd72"
 "checksum bit_field 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ed8765909f9009617974ab6b7d332625b320b33c326b1e9321382ef1999b5d56"
 "checksum bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "228047a76f468627ca71776ecdebd732a3423081fcf5125585bcd7c49886ce12"
diff --git a/Cargo.toml b/Cargo.toml
index b466cccb..afad8301 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,9 +13,6 @@ spin = "0.4.9"
 version = "1.0"
 features = ["spin_no_std"]
 
-[dev-dependencies]
-array-init = "0.0.3"
-
 [profile.dev]
 panic = "abort"
 
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index c6cc6936..5b43f03d 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -60,9 +60,6 @@ steps:
 - script: bootimage build
   displayName: 'Build'
 
-- script: cargo test
-  displayName: 'Unit Tests'
-
 - script: rustup component add rustfmt
   displayName: 'Install Rustfmt'
 
diff --git a/src/main.rs b/src/main.rs
index 319b9942..18e03650 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,12 +1,10 @@
-#![cfg_attr(not(test), no_std)]
-#![cfg_attr(not(test), no_main)]
-#![cfg_attr(test, allow(unused_imports))]
+#![no_std]
+#![no_main]
 
 use core::panic::PanicInfo;
 
 mod vga_buffer;
 
-#[cfg(not(test))]
 #[no_mangle]
 pub extern "C" fn _start() -> ! {
     println!("Hello World{}", "!");
@@ -15,7 +13,6 @@ pub extern "C" fn _start() -> ! {
 }
 
 /// This function is called on panic.
-#[cfg(not(test))]
 #[panic_handler]
 fn panic(info: &PanicInfo) -> ! {
     println!("{}", info);
diff --git a/src/vga_buffer.rs b/src/vga_buffer.rs
index d89b4948..94dbc4c6 100644
--- a/src/vga_buffer.rs
+++ b/src/vga_buffer.rs
@@ -169,86 +169,3 @@ pub fn _print(args: fmt::Arguments) {
     use core::fmt::Write;
     WRITER.lock().write_fmt(args).unwrap();
 }
-
-#[cfg(test)]
-mod test {
-    use super::*;
-
-    fn construct_writer() -> Writer {
-        use std::boxed::Box;
-
-        let buffer = construct_buffer();
-        Writer {
-            column_position: 0,
-            color_code: ColorCode::new(Color::Blue, Color::Magenta),
-            buffer: Box::leak(Box::new(buffer)),
-        }
-    }
-
-    fn construct_buffer() -> Buffer {
-        use array_init::array_init;
-
-        Buffer {
-            chars: array_init(|_| array_init(|_| Volatile::new(empty_char()))),
-        }
-    }
-
-    fn empty_char() -> ScreenChar {
-        ScreenChar {
-            ascii_character: b' ',
-            color_code: ColorCode::new(Color::Green, Color::Brown),
-        }
-    }
-
-    #[test]
-    fn write_byte() {
-        let mut writer = construct_writer();
-        writer.write_byte(b'X');
-        writer.write_byte(b'Y');
-
-        for (i, row) in writer.buffer.chars.iter().enumerate() {
-            for (j, screen_char) in row.iter().enumerate() {
-                let screen_char = screen_char.read();
-                if i == BUFFER_HEIGHT - 1 && j == 0 {
-                    assert_eq!(screen_char.ascii_character, b'X');
-                    assert_eq!(screen_char.color_code, writer.color_code);
-                } else if i == BUFFER_HEIGHT - 1 && j == 1 {
-                    assert_eq!(screen_char.ascii_character, b'Y');
-                    assert_eq!(screen_char.color_code, writer.color_code);
-                } else {
-                    assert_eq!(screen_char, empty_char());
-                }
-            }
-        }
-    }
-
-    #[test]
-    fn write_formatted() {
-        use core::fmt::Write;
-
-        let mut writer = construct_writer();
-        writeln!(&mut writer, "a").unwrap();
-        writeln!(&mut writer, "b{}", "c").unwrap();
-
-        for (i, row) in writer.buffer.chars.iter().enumerate() {
-            for (j, screen_char) in row.iter().enumerate() {
-                let screen_char = screen_char.read();
-                if i == BUFFER_HEIGHT - 3 && j == 0 {
-                    assert_eq!(screen_char.ascii_character, b'a');
-                    assert_eq!(screen_char.color_code, writer.color_code);
-                } else if i == BUFFER_HEIGHT - 2 && j == 0 {
-                    assert_eq!(screen_char.ascii_character, b'b');
-                    assert_eq!(screen_char.color_code, writer.color_code);
-                } else if i == BUFFER_HEIGHT - 2 && j == 1 {
-                    assert_eq!(screen_char.ascii_character, b'c');
-                    assert_eq!(screen_char.color_code, writer.color_code);
-                } else if i >= BUFFER_HEIGHT - 2 {
-                    assert_eq!(screen_char.ascii_character, b' ');
-                    assert_eq!(screen_char.color_code, writer.color_code);
-                } else {
-                    assert_eq!(screen_char, empty_char());
-                }
-            }
-        }
-    }
-}