diff --git a/tools/atrf-proxy/PROTOCOL b/tools/atrf-proxy/PROTOCOL
index 2a0cbd6..f1a8866 100644
--- a/tools/atrf-proxy/PROTOCOL
+++ b/tools/atrf-proxy/PROTOCOL
@@ -56,10 +56,6 @@ GETRAM addr
 +value
 -message
 
-POLL
-+0|1
--message
-
 WAIT timeout_ms
 +value
 -message
diff --git a/tools/atrf-proxy/atrf-proxy.c b/tools/atrf-proxy/atrf-proxy.c
index d815df6..fbdf344 100644
--- a/tools/atrf-proxy/atrf-proxy.c
+++ b/tools/atrf-proxy/atrf-proxy.c
@@ -196,8 +196,6 @@ static int cmd_more(struct atrf_dsc *dsc, struct netio *netio, const char *cmd)
 
 static int cmd_zero(struct atrf_dsc *dsc, struct netio *netio, const char *cmd)
 {
-	int res;
-
 	if (!strcasecmp(cmd, "spec")) {
 		const char *spec = atrf_driver_spec(dsc, 1);
 
@@ -231,14 +229,6 @@ static int cmd_zero(struct atrf_dsc *dsc, struct netio *netio, const char *cmd)
 		buf[got] = '\n';
 		return netio_write(netio, buf, got+1);
 	}
-	if (!strcasecmp(cmd, "poll")) {
-		res = atrf_interrupt(dsc);
-		if (res < 0)
-			return netio_printf(netio, "-I/O error\n");
-		if (!res)
-			usleep(2*1000);
-		return netio_printf(netio, "+%d\n", res);
-	}
 	return netio_printf(netio, "-unrecognized command\n");
 }
 
diff --git a/tools/include/atrf.h b/tools/include/atrf.h
index c83ee50..70d0320 100644
--- a/tools/include/atrf.h
+++ b/tools/include/atrf.h
@@ -55,7 +55,6 @@ int atrf_buf_read(struct atrf_dsc *dsc, void *buf, int size);
 void atrf_sram_write(struct atrf_dsc *dsc, uint8_t addr, uint8_t value);
 uint8_t atrf_sram_read(struct atrf_dsc *dsc, uint8_t addr);
 
-int atrf_interrupt(struct atrf_dsc *dsc);
 int atrf_interrupt_wait(struct atrf_dsc *dsc, int timeout_ms);
 
 #endif /* !ATRF_H */
diff --git a/tools/lib/atben.c b/tools/lib/atben.c
index 5a0cc11..33e4bca 100644
--- a/tools/lib/atben.c
+++ b/tools/lib/atben.c
@@ -436,6 +436,5 @@ struct atrf_driver atben_driver = {
 	.buf_read	= atben_buf_read,
 	.sram_write	= atben_sram_write,
 	.sram_read	= atben_sram_read,
-	.interrupt	= atben_interrupt,
 	.interrupt_wait	= atben_interrupt_wait,
 };
diff --git a/tools/lib/atnet.c b/tools/lib/atnet.c
index 1270c72..1ab03b3 100644
--- a/tools/lib/atnet.c
+++ b/tools/lib/atnet.c
@@ -441,28 +441,6 @@ static uint8_t atnet_sram_read(void *handle, uint8_t addr)
 /* ----- RF interrupt ------------------------------------------------------ */
 
 
-static int atnet_interrupt(void *handle)
-{
-	struct atnet_dsc *dsc = handle;
-	unsigned long value;
-	char *end;
-
-	if (dsc->error)
-		return -1;
-	if (dialog(dsc, "POLL") < 0) {
-		dsc->error = 1;
-		return -1;
-	}
-	value = strtoul(dsc->reply+1, &end, 0);
-	if (*end || value > 1) {
-		fprintf(stderr, "invalid response \"%s\"\n", dsc->reply+1);
-		dsc->error = 1;
-		return -1;
-	}
-	return value;
-}
-
-
 int atnet_interrupt_wait(void *handle, int timeout_ms)
 {
 	struct atnet_dsc *dsc = handle;
@@ -515,6 +493,5 @@ struct atrf_driver atnet_driver = {
 	.buf_read	= atnet_buf_read,
 	.sram_write	= atnet_sram_write,
 	.sram_read	= atnet_sram_read,
-	.interrupt	= atnet_interrupt,
 	.interrupt_wait	= atnet_interrupt_wait,
 };
diff --git a/tools/lib/atrf.c b/tools/lib/atrf.c
index aaf1c15..15f1b07 100644
--- a/tools/lib/atrf.c
+++ b/tools/lib/atrf.c
@@ -318,13 +318,6 @@ uint8_t atrf_sram_read(struct atrf_dsc *dsc, uint8_t addr)
 }
 
 
-int atrf_interrupt(struct atrf_dsc *dsc)
-{
-	return
-	    dsc->driver->interrupt ? dsc->driver->interrupt(dsc->handle) : 1;
-}
-
-
 int atrf_interrupt_wait(struct atrf_dsc *dsc, int timeout_ms)
 {
 	return dsc->driver->interrupt_wait ?
diff --git a/tools/lib/atusb-common.c b/tools/lib/atusb-common.c
index f5d720f..bcb588e 100644
--- a/tools/lib/atusb-common.c
+++ b/tools/lib/atusb-common.c
@@ -174,27 +174,6 @@ void atusb_slp_tr(void *handle, int on, int pulse)
 /* ----- RF interrupt ------------------------------------------------------ */
 
 
-int atusb_interrupt(void *handle)
-{
-	struct atusb_dsc *dsc = handle;
-	uint8_t buf;
-	int res;
-
-	if (dsc->error)
-		return -1;
-	
-	res = usb_control_msg(dsc->dev, FROM_DEV, ATUSB_POLL_INT, 0, 0,
-	    (void *) &buf, 1, 1000);
-	if (res < 0) {
-		fprintf(stderr, "ATUSB_POLL_INT: %d\n", res);
-		dsc->error = 1;
-		return -1;
-	}
-
-	return buf;
-}
-
-
 /*
  * The logic here is a bit tricky. Assuming that we can get a lot of
  * interrupts, system state can change as follows:
diff --git a/tools/lib/atusb-common.h b/tools/lib/atusb-common.h
index 8439cc2..6569665 100644
--- a/tools/lib/atusb-common.h
+++ b/tools/lib/atusb-common.h
@@ -33,7 +33,6 @@ void atusb_reset(void *handle);
 void atusb_reset_rf(void *handle);
 void atusb_test_mode(void *handle);
 void atusb_slp_tr(void *handle, int on, int pulse);
-int atusb_interrupt(void *handle);
 int atusb_interrupt_wait(void *handle, int timeout_ms);
 
 int atusb_set_clkm(void *handle, int mhz);
diff --git a/tools/lib/atusb-spi.c b/tools/lib/atusb-spi.c
index f28998f..e913957 100644
--- a/tools/lib/atusb-spi.c
+++ b/tools/lib/atusb-spi.c
@@ -167,6 +167,5 @@ struct atrf_driver atusb_spi_driver = {
 	.buf_read	= atusb_spi_buf_read,
 	.sram_write	= atusb_spi_sram_write,
 	.sram_read	= atusb_spi_sram_read,
-	.interrupt	= atusb_interrupt,
 	.interrupt_wait	= atusb_interrupt_wait,
 };
diff --git a/tools/lib/atusb.c b/tools/lib/atusb.c
index 5961d96..e035718 100644
--- a/tools/lib/atusb.c
+++ b/tools/lib/atusb.c
@@ -161,6 +161,5 @@ struct atrf_driver atusb_driver = {
 	.buf_read	= atusb_buf_read,
 	.sram_write	= atusb_sram_write,
 	.sram_read	= atusb_sram_read,
-	.interrupt	= atusb_interrupt,
 	.interrupt_wait	= atusb_interrupt_wait,
 };
diff --git a/tools/lib/driver.h b/tools/lib/driver.h
index 727f138..c82c46b 100644
--- a/tools/lib/driver.h
+++ b/tools/lib/driver.h
@@ -35,7 +35,6 @@ struct atrf_driver {
 	int (*buf_read)(void *dsc, void *buf, int size);
 	void (*sram_write)(void *dsc, uint8_t addr, uint8_t value);
 	uint8_t (*sram_read)(void *dsc, uint8_t addr);
-	int (*interrupt)(void *dsc);
 	int (*interrupt_wait)(void *dsc, int timeout_ms);
 };