diff --git a/src/lib.rs b/src/lib.rs
index 863e5b6..1832412 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -27,8 +27,6 @@ const REG_PRODUCT_ID: u8 = 0x39;
 
 const DEFAULT_ADDRESS: u8 = 0x30;
 
-const DEVICE_ID: u8 = 0x10;
-
 bitflags! {
     /// Flags for status_1 register
     #[derive(Debug, Clone, Copy, PartialEq, Eq)]