1 files changed, 0 insertions, 4 deletions

diff --git a/firmware/target/arm/system-target.h b/firmware/target/arm/system-target.h
index 60844e0b5f..764cd18d15 100644
--- a/firmware/target/arm/system-target.h
+++ b/firmware/target/arm/system-target.h
@@ -48,10 +48,6 @@
 #define inw(a) (*(volatile unsigned short *) (a))
 #define outw(a,b) (*(volatile unsigned short *) (b) = (a))
 
-#if defined(HAVE_ADJUSTABLE_CPU_FREQ) && NUM_CORES > 1
-extern struct spinlock boostctrl_spin;
-#endif
-
 static inline void udelay(unsigned usecs)
 {
     unsigned stop = USEC_TIMER + usecs;