diff --git a/api/src/instruction.rs b/api/src/instruction.rs
index 2ae122a..2a2f052 100644
--- a/api/src/instruction.rs
+++ b/api/src/instruction.rs
@@ -28,7 +28,6 @@ pub struct Close {}
 #[repr(C)]
 #[derive(Clone, Copy, Debug, Pod, Zeroable)]
 pub struct Mine {
-    // pub digest: [u8; 16],
     pub nonce: [u8; 8],
 }