diff --git a/lib/ipmi_sel.c b/lib/ipmi_sel.c
index d2c8424..95ff96a 100644
--- a/lib/ipmi_sel.c
+++ b/lib/ipmi_sel.c
@@ -536,7 +536,6 @@ get_supermicro_evt_desc(struct ipmi_intf *intf, struct sel_event_record *rec)
 	int data1;
 	int data2;
 	int data3;
-	int length;
 	int sensor_type;
 	uint8_t i = 0;
 	uint16_t oem_id = 0;
@@ -593,15 +592,13 @@ get_supermicro_evt_desc(struct ipmi_intf *intf, struct sel_event_record *rec)
 				}
 				return NULL;
 			}
-			length = sizeof(supermicro_X8);
-			for (i = 0; i < length && supermicro_X8[i] != 0xFFFF; i++) {
+			for (i = 0; supermicro_X8[i] != 0xFFFF; i++) {
 				if (oem_id == supermicro_X8[i]) {
 					chipset_type = 0;
 					break;
 				}
 			}
-			length = sizeof(supermicro_x9);
-			for (i = 0; i < length && supermicro_x9[i] != 0xFFFF; i++) {
+			for (i = 0; supermicro_x9[i] != 0xFFFF; i++) {
 				if (oem_id == supermicro_x9[i]) {
 					chipset_type = 2;
 					break;