diff --git a/Modem/afsk.c b/Modem/afsk.c
index b575ef1..b68bdc0 100644
--- a/Modem/afsk.c
+++ b/Modem/afsk.c
@@ -524,13 +524,12 @@ static void afsk_clearerr(KFile *fd) {
 // Modem Initialization                             //
 //////////////////////////////////////////////////////
 
-void afsk_init(Afsk *afsk, int _adcPin, int _dacPin) {
+void afsk_init(Afsk *afsk, int _adcPin) {
 	// Allocate memory for struct
 	memset(afsk, 0, sizeof(*afsk));
 
 	// Configure pins
 	afsk->adcPin = _adcPin;
-	afsk->dacPin = _dacPin;
 	afsk->phaseInc = MARK_INC;
 
 	// Init FIFO buffers
diff --git a/Modem/afsk.h b/Modem/afsk.h
index 1fcfd48..acf8240 100644
--- a/Modem/afsk.h
+++ b/Modem/afsk.h
@@ -48,7 +48,6 @@ typedef struct Afsk
 
 	// I/O hardware pins
 	int adcPin;								// Pin for incoming signal
-	int dacPin;								// Pin for outgoing signal
 
 	// General values
 	Hdlc hdlc; 								// We need a link control structure
@@ -116,6 +115,6 @@ INLINE Afsk *AFSK_CAST(KFile *fd) {
 // and initialization functions
 void afsk_adc_isr(Afsk *af, int8_t sample);
 uint8_t afsk_dac_isr(Afsk *af);
-void afsk_init(Afsk *af, int adc_ch, int dac_ch);
+void afsk_init(Afsk *af, int adc_ch);
 
 #endif
\ No newline at end of file
diff --git a/Modem/main.c b/Modem/main.c
index cc04d98..afc87a5 100644
--- a/Modem/main.c
+++ b/Modem/main.c
@@ -68,7 +68,7 @@ static void init(void)
 	ser_setbaudrate(&ser, 57600);
 
 	// Create a modem context
-	afsk_init(&afsk, ADC_CH, 0);
+	afsk_init(&afsk, ADC_CH);
 	// ... and a protocol context with the modem
 	mp1Init(&mp1, &afsk.fd, mp1Callback);
 
diff --git a/buildrev.h b/buildrev.h
index e184b9e..a383596 100644
--- a/buildrev.h
+++ b/buildrev.h
@@ -1,2 +1,2 @@
-#define VERS_BUILD 377
+#define VERS_BUILD 382
 #define VERS_HOST  "vixen"