diff --git a/hw/pl031.c b/hw/pl031.c
index fb5f323cb7..75bda7c27c 100644
--- a/hw/pl031.c
+++ b/hw/pl031.c
@@ -36,7 +36,6 @@ typedef struct {
     QEMUTimer *timer;
     qemu_irq irq;
 
-    uint64_t start_time;
     uint32_t tick_offset;
 
     uint32_t mr;