diff --git a/libraries/ProcMeas/ProcMeas.h b/libraries/ProcMeas/ProcMeas.h
index 7dd48d389a7708bdecc34a50c04e1e4c73801de0..e0b14eb39e112aee919620b74143b2df9adad6f8 100644
--- a/libraries/ProcMeas/ProcMeas.h
+++ b/libraries/ProcMeas/ProcMeas.h
@@ -17,7 +17,6 @@
 #include "EulerAngles.h"
 
 //#define ProcMeasDebug
-#define RAD_TO_DEG 57.2957795
 
 typedef enum _PmState
 {