diff --git a/src/flight/filter.h b/src/flight/filter.h
index e1344520b..a54fb0703 100644
--- a/src/flight/filter.h
+++ b/src/flight/filter.h
@@ -2,8 +2,6 @@
 
 #include <stdint.h>
 
-#define IMU_FILTER_CUTOFF_FREQ 30.0f
-
 #define FILTER_MAX_SLOTS 2
 
 typedef enum {