diff --git a/armsrc/appmain.c b/armsrc/appmain.c
index fc4799ea0..61189c0e4 100644
--- a/armsrc/appmain.c
+++ b/armsrc/appmain.c
@@ -1045,7 +1045,7 @@ static void PacketReceived(PacketCommandNG *packet) {
             MifareSetDbgLvl(packet->oldarg[0]);
             break;
         case CMD_MIFARE_EML_MEMCLR:
-            MifareEMemClr(packet->oldarg[0], packet->oldarg[1], packet->oldarg[2], packet->data.asBytes);
+            MifareEMemClr();
             break;
         case CMD_MIFARE_EML_MEMSET:
             MifareEMemSet(packet->oldarg[0], packet->oldarg[1], packet->oldarg[2], packet->data.asBytes);
diff --git a/armsrc/apps.h b/armsrc/apps.h
index ce37c3373..4f75935c8 100644
--- a/armsrc/apps.h
+++ b/armsrc/apps.h
@@ -156,7 +156,7 @@ void MifareAcquireNonces(uint32_t arg0, uint32_t arg1, uint32_t flags, uint8_t *
 void MifareChkKeys(uint8_t *datain);
 void MifareChkKeys_fast(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain);
 void MifareSetDbgLvl(uint16_t arg0);
-void MifareEMemClr(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain);
+void MifareEMemClr(void);
 void MifareEMemSet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain);
 void MifareEMemGet(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain);
 void MifareECardLoad(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain);
diff --git a/armsrc/mifarecmd.c b/armsrc/mifarecmd.c
index 0f391522d..94d152693 100644
--- a/armsrc/mifarecmd.c
+++ b/armsrc/mifarecmd.c
@@ -1625,7 +1625,7 @@ void MifareSetDbgLvl(uint16_t arg0) {
 // destroy the Emulator Memory.
 //-----------------------------------------------------------------------------
 
-void MifareEMemClr(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain) {
+void MifareEMemClr(void) {
     FpgaDownloadAndGo(FPGA_BITSTREAM_HF);
     emlClearMem();
 }