diff --git a/drivers/soc/samsung/exynos-cpupm.c b/drivers/soc/samsung/exynos-cpupm.c
index f2980efb9..c6cd8a5b1 100755
--- a/drivers/soc/samsung/exynos-cpupm.c
+++ b/drivers/soc/samsung/exynos-cpupm.c
@@ -190,58 +190,6 @@ static struct delayed_work deferred_work;
 
 static void do_nothing(void *unused) { }
 
-/******************************************************************************
- *                                  CPUPM Debug                               *
- ******************************************************************************/
-#ifdef CONFIG_EXYNOS_DEBUG_INFO
-#define DEBUG_INFO_BUF_SIZE 1000
-struct cpupm_debug_info {
-	int cpu;
-	u64 time;
-	int event;
-};
-
-static struct cpupm_debug_info *cpupm_debug_info;
-static int cpupm_debug_info_index;
-
-static void cpupm_debug(int cpu, int state, int mode_type, int action)
-{
-	int i, event = -1;
-
-	if (unlikely(!cpupm_debug_info))
-		return;
-
-	cpupm_debug_info_index++;
-	if (cpupm_debug_info_index >= DEBUG_INFO_BUF_SIZE)
-		cpupm_debug_info_index = 0;
-
-	i = cpupm_debug_info_index;
-
-	cpupm_debug_info[i].cpu = cpu;
-	cpupm_debug_info[i].time = ktime_get(cpu);
-
-	if (state > 0) {
-		event = action ? C2_ENTER : C2_EXIT;
-		goto out;
-	}
-
-	switch (mode_type) {
-	case POWERMODE_TYPE_CLUSTER:
-		event = action ? CPD_ENTER : CPD_EXIT;
-		break;
-	case POWERMODE_TYPE_DSU:
-		event = action ? DSUPD_ENTER : DSUPD_EXIT;
-		break;
-	case POWERMODE_TYPE_SYSTEM:
-		event = action ? SICD_ENTER : SICD_EXIT;
-		break;
-	}
-
-out:
-	cpupm_debug_info[i].event = event;
-}
-#endif
-
 /******************************************************************************
  *                                    Notifier                                *
  ******************************************************************************/
@@ -1812,9 +1760,6 @@ static int exynos_cpupm_probe(struct platform_device *pdev)
 
 	spin_lock_init(&cpupm_lock);
 
-	cpupm_debug_info = kzalloc(sizeof(struct cpupm_debug_info)
-				* DEBUG_INFO_BUF_SIZE, GFP_KERNEL);
-
 	register_vendor_hooks();
 
 	notify_cpupm_init_to_el3(pdev);