diff --git a/firmware/target/arm/imx31/dvfs_dptc-imx31.c b/firmware/target/arm/imx31/dvfs_dptc-imx31.c
index 1c4e3a923f..58be2118a1 100644
--- a/firmware/target/arm/imx31/dvfs_dptc-imx31.c
+++ b/firmware/target/arm/imx31/dvfs_dptc-imx31.c
@@ -86,7 +86,6 @@ static void do_dvfs_update(unsigned int level)
 {
     const struct dvfs_clock_table_entry *setting = &dvfs_clock_table[level];
     unsigned long pmcr0 = CCM_PMCR0;
-    int oldlevel;
 
     if (pmcr0 & CCM_PMCR0_DPTEN)
     {