diff --git a/rust_experiments/src/lib.rs b/rust_experiments/src/lib.rs
index 7530d88..4725348 100644
--- a/rust_experiments/src/lib.rs
+++ b/rust_experiments/src/lib.rs
@@ -16,14 +16,16 @@ pub extern fn rust_setup_PIC() {
 
 #[no_mangle]
 pub extern fn rust_handle_keyboard(x: u8) {
-    checkerboard(vga_buffer::Color::Green);
-    vga_buffer::print_u32(x as u32, 0);
+    use vga_buffer::{checkerboard, print_u32, Color};
+    checkerboard(Color::Green);
+    print_u32(x as u32, 0);
 }
 
 
 #[no_mangle]
 pub extern fn rust_interrupt_handler() {
-    checkerboard(vga_buffer::Color::White);
+    use vga_buffer::{checkerboard, Color};
+    checkerboard(Color::White);
 }
 
 static mut global_timer_count: u64 = 0;
@@ -133,11 +135,12 @@ mod x86_asm {
 }
 
 fn timer_callback(count: u64) {
+    use vga_buffer::{Color, checkerboard};
     if count % 1000  == 0 {
-        checkerboard(vga_buffer::Color::White);
+        checkerboard(Color::White);
     }
     if count % 1000 == 500 {
-        checkerboard(vga_buffer::Color::LightCyan);
+        checkerboard(Color::LightCyan);
     }
 
     vga_buffer::print_u32(count as u32, 0);
@@ -145,40 +148,16 @@ fn timer_callback(count: u64) {
 
 #[no_mangle]
 pub extern fn rust_main() {
+    use vga_buffer::{clear, checkerboard, Color};
     clear();
-    checkerboard(vga_buffer::Color::Red);
+    checkerboard(Color::Red);
 
     loop {
 
     }
 }
 
-fn clear() {
-    use vga_buffer::*;
 
-    let blank_color = ColorCode::new( Color::White, Color::Black);
-    for i in 0..BUFFER_WIDTH {
-        for j in 0..BUFFER_HEIGHT {
-            write_to_coord(i, j, b' ', blank_color);
-        }
-    }
-}
-
-fn checkerboard(color: vga_buffer::Color) {
-    use vga_buffer::*;
-
-    let active = ColorCode::new(color, color);
-    let blank = ColorCode::new(Color::White, Color::Black);
-    for i in 0..BUFFER_WIDTH {
-        for j in 0..BUFFER_HEIGHT {
-            if (i + j) % 2 == 0 {
-                write_to_coord(i, j, b' ', active);
-            } else {
-                write_to_coord(i, j, b' ', blank);
-            }
-        }
-    }
-}
 
 
 // 123  |3,2,1
@@ -248,6 +227,30 @@ mod vga_buffer {
         }
     }
 
+    pub fn clear() {
+        let blank_color = ColorCode::new( Color::White, Color::Black);
+        for i in 0..BUFFER_WIDTH {
+            for j in 0..BUFFER_HEIGHT {
+                write_to_coord(i, j, b' ', blank_color);
+            }
+        }
+    }
+
+    pub fn checkerboard(color: Color) {
+
+        let active = ColorCode::new(color, color);
+        let blank = ColorCode::new(Color::White, Color::Black);
+        for i in 0..BUFFER_WIDTH {
+            for j in 0..BUFFER_HEIGHT {
+                if (i + j) % 2 == 0 {
+                    write_to_coord(i, j, b' ', active);
+                } else {
+                    write_to_coord(i, j, b' ', blank);
+                }
+            }
+        }
+    }
+
     #[repr(C)]
     struct ScreenChar {
         ascii_char: u8,