diff --git a/armsrc/hitagS.c b/armsrc/hitagS.c
index 1ab4d5b6d..00d204ce3 100644
--- a/armsrc/hitagS.c
+++ b/armsrc/hitagS.c
@@ -1645,7 +1645,7 @@ void check_challenges(bool file_given, uint8_t *data) {
     size_t rxlen = 0;
     uint8_t txbuf[HITAG_FRAME_LEN];
     int t_wait = HITAG_T_WAIT_MAX;
-    int lastbit, STATE = 0;;
+    int lastbit, STATE = 0;
     bool bStop;
     int response_bit[200];
     unsigned char mask = 1;
diff --git a/armsrc/legicrf.c b/armsrc/legicrf.c
index 0a96fcb01..474d0df84 100644
--- a/armsrc/legicrf.c
+++ b/armsrc/legicrf.c
@@ -436,7 +436,7 @@ void LegicRfInfo(void) {
 
     // read MCC and check against UID
     int16_t mcc = read_byte(4, card.cmdsize);
-    int16_t calc_mcc = CRC8Legic(card.uid, 4);;
+    int16_t calc_mcc = CRC8Legic(card.uid, 4);
     if (mcc != calc_mcc) {
         reply_mix(CMD_ACK, 0, 0, 0, 0, 0);
         goto OUT;
diff --git a/armsrc/mifarecmd.c b/armsrc/mifarecmd.c
index 55dee2019..ad0b050c1 100644
--- a/armsrc/mifarecmd.c
+++ b/armsrc/mifarecmd.c
@@ -1840,7 +1840,7 @@ void MifarePersonalizeUID(uint8_t keyType, uint8_t perso_option, uint64_t key) {
         int len = mifare_sendcmd_short(pcs, true, MIFARE_EV1_PERSONAL_UID, perso_option, receivedAnswer, receivedAnswerPar, NULL);
         if (len != 1 || receivedAnswer[0] != CARD_ACK) {
             if (DBGLEVEL >= DBG_ERROR) Dbprintf("Cmd Error: %02x", receivedAnswer[0]);
-            break;;
+            break;
         }
 
         if (mifare_classic_halt(pcs, cuid)) {