diff --git a/src/ButtonThread.cpp b/src/ButtonThread.cpp
index bc20282..8aaf63c 100644
--- a/src/ButtonThread.cpp
+++ b/src/ButtonThread.cpp
@@ -9,7 +9,6 @@
 EventFlags buttonFlags;
 
 #define PUSH_FLAG 0b01
-#define LIFT_FLAG 0b10
 
 void button_onrise(void) { buttonFlags.set(PUSH_FLAG); }