diff --git a/drv/bkp.c b/drv/bkp.c
index 5c2f4ec..f57aab9 100644
--- a/drv/bkp.c
+++ b/drv/bkp.c
@@ -18,7 +18,7 @@ uint32_t compute_prescaler(uint32_t period_ms, enum BkpRtcClockSrc clock_src);
 
 //--local variables-------------------------------------------------------------
 
-static volatile struct BKP* bkp_regs = (struct BKP*)BKP_BASE_ADDRESS;
+//static volatile struct BKP* bkp_regs = (struct BKP*)BKP_BASE_ADDRESS;
 static volatile struct RCC* rcc_regs = (struct RCC*)RCC_BASE_ADDRESS;
 static volatile struct RTC* rtc_regs = (struct RTC*)RTC_BASE_ADDRESS;