diff --git a/machine/src/core.rs b/machine/src/core.rs
index f57ecf6..35e378b 100644
--- a/machine/src/core.rs
+++ b/machine/src/core.rs
@@ -48,15 +48,6 @@ impl<F: PrimeField> Word<F> {
     }
 }
 
-impl Word<u8> {
-    pub fn to_u8(self) -> u8 {
-        let result = self.0;
-        let byte = result[MEMORY_CELL_BYTES - 1];
-        byte
-    }
-}
-
-
 impl Into<u32> for Word<u8> {
     fn into(self) -> u32 {
         let mut result = 0u32;