diff --git a/src/rfid_asic_rc632.c b/src/rfid_asic_rc632.c
index f0948c6..fbc4c2a 100644
--- a/src/rfid_asic_rc632.c
+++ b/src/rfid_asic_rc632.c
@@ -285,13 +285,6 @@ static int rc632_wait_idle_timer(struct rfid_asic_handle *handle)
 		return ret;
 	DEBUGP_INTERRUPT_FLAG("irq_en",irq);
 
-	ret = rc632_set_spec_bits(handle, RC632_REG_INTERRUPT_EN, RC632_IRQ_TIMER
-				| RC632_IRQ_IDLE
-				| RC632_IRQ_RX
-				 );
-	if (ret < 0)
-		return ret;
-
 	while (1) {
 		rc632_reg_read(handle, RC632_REG_PRIMARY_STATUS, &stat);
 		DEBUGP_STATUS_FLAG(stat);