diff --git a/drivers/staging/greybus/connection.h b/drivers/staging/greybus/connection.h
index 9cd0bac9ceb9..7d0988ef1183 100644
--- a/drivers/staging/greybus/connection.h
+++ b/drivers/staging/greybus/connection.h
@@ -44,9 +44,6 @@ struct gb_connection {
 	gb_request_handler_t		handler;
 	unsigned long			flags;
 
-	u8				module_major;
-	u8				module_minor;
-
 	struct mutex			mutex;
 	spinlock_t			lock;
 	enum gb_connection_state	state;
diff --git a/drivers/staging/greybus/gbphy.c b/drivers/staging/greybus/gbphy.c
index c11a1368d073..2727e4afcf4c 100644
--- a/drivers/staging/greybus/gbphy.c
+++ b/drivers/staging/greybus/gbphy.c
@@ -171,33 +171,6 @@ void gb_gbphy_deregister_driver(struct gbphy_driver *driver)
 }
 EXPORT_SYMBOL_GPL(gb_gbphy_deregister_driver);
 
-int gb_gbphy_get_version(struct gb_connection *connection)
-{
-	struct gb_protocol_version_request request;
-	struct gb_protocol_version_response response;
-	int retval;
-
-	request.major = 1;
-	request.minor = 0;
-
-	retval = gb_operation_sync(connection, GB_REQUEST_TYPE_PROTOCOL_VERSION,
-				   &request, sizeof(request), &response,
-				   sizeof(response));
-	if (retval)
-		return retval;
-
-	/* FIXME - do proper version negotiation here someday... */
-
-	connection->module_major = response.major;
-	connection->module_minor = response.minor;
-
-	dev_dbg(&connection->hd->dev, "%s: v%u.%u\n", connection->name,
-		response.major, response.minor);
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(gb_gbphy_get_version);
-
 static struct gbphy_device *gb_gbphy_create_dev(struct gb_bundle *bundle,
 				struct greybus_descriptor_cport *cport_desc)
 {
diff --git a/drivers/staging/greybus/gbphy.h b/drivers/staging/greybus/gbphy.h
index 79dbf7e1be58..68ad51821a60 100644
--- a/drivers/staging/greybus/gbphy.h
+++ b/drivers/staging/greybus/gbphy.h
@@ -46,7 +46,6 @@ struct gbphy_driver {
 };
 #define to_gbphy_driver(d) container_of(d, struct gbphy_driver, driver)
 
-int gb_gbphy_get_version(struct gb_connection *connection);
 int gb_gbphy_register_driver(struct gbphy_driver *driver,
 			     struct module *owner, const char *mod_name);
 void gb_gbphy_deregister_driver(struct gbphy_driver *driver);
diff --git a/drivers/staging/greybus/gpio.c b/drivers/staging/greybus/gpio.c
index e1ad6802630a..f60cc1da9f05 100644
--- a/drivers/staging/greybus/gpio.c
+++ b/drivers/staging/greybus/gpio.c
@@ -654,10 +654,6 @@ static int gb_gpio_probe(struct gbphy_device *gbphy_dev,
 	if (ret)
 		goto exit_connection_destroy;
 
-	ret = gb_gbphy_get_version(connection);
-	if (ret)
-		goto exit_connection_disable;
-
 	ret = gb_gpio_controller_setup(ggc);
 	if (ret)
 		goto exit_connection_disable;
diff --git a/drivers/staging/greybus/greybus_protocols.h b/drivers/staging/greybus/greybus_protocols.h
index 6550f1744ed8..82075c703f33 100644
--- a/drivers/staging/greybus/greybus_protocols.h
+++ b/drivers/staging/greybus/greybus_protocols.h
@@ -97,7 +97,6 @@ struct gb_operation_msg_hdr {
 
 /* Generic request types */
 #define GB_REQUEST_TYPE_PING			0x00
-#define GB_REQUEST_TYPE_PROTOCOL_VERSION	0x01
 #define GB_REQUEST_TYPE_INVALID			0x7f
 
 struct gb_protocol_version_request {
@@ -614,10 +613,6 @@ struct gb_hid_input_report_request {
 
 /* I2C */
 
-/* Version of the Greybus i2c protocol we support */
-#define GB_I2C_VERSION_MAJOR		0x00
-#define GB_I2C_VERSION_MINOR		0x01
-
 /* Greybus i2c request types */
 #define GB_I2C_TYPE_FUNCTIONALITY	0x02
 #define GB_I2C_TYPE_TRANSFER		0x05
@@ -654,10 +649,6 @@ struct gb_i2c_transfer_response {
 
 /* GPIO */
 
-/* Version of the Greybus GPIO protocol we support */
-#define GB_GPIO_VERSION_MAJOR		0x00
-#define GB_GPIO_VERSION_MINOR		0x01
-
 /* Greybus GPIO request types */
 #define GB_GPIO_TYPE_LINE_COUNT		0x02
 #define GB_GPIO_TYPE_ACTIVATE		0x03
@@ -757,10 +748,6 @@ struct gb_gpio_irq_event_request {
 
 /* PWM */
 
-/* Version of the Greybus PWM protocol we support */
-#define GB_PWM_VERSION_MAJOR		0x00
-#define GB_PWM_VERSION_MINOR		0x01
-
 /* Greybus PWM operation types */
 #define GB_PWM_TYPE_PWM_COUNT		0x02
 #define GB_PWM_TYPE_ACTIVATE		0x03
@@ -804,10 +791,6 @@ struct gb_pwm_disable_request {
 
 /* SPI */
 
-/* Version of the Greybus spi protocol we support */
-#define GB_SPI_VERSION_MAJOR		0x00
-#define GB_SPI_VERSION_MINOR		0x01
-
 /* Should match up with modes in linux/spi/spi.h */
 #define GB_SPI_MODE_CPHA		0x01		/* clock phase */
 #define GB_SPI_MODE_CPOL		0x02		/* clock polarity */
@@ -1246,10 +1229,6 @@ struct gb_raw_send_request {
 
 /* UART */
 
-/* Version of the Greybus UART protocol we support */
-#define GB_UART_VERSION_MAJOR		0x00
-#define GB_UART_VERSION_MINOR		0x01
-
 /* Greybus UART operation types */
 #define GB_UART_TYPE_SEND_DATA			0x02
 #define GB_UART_TYPE_RECEIVE_DATA		0x03	/* Unsolicited data */
@@ -1356,10 +1335,6 @@ struct gb_loopback_transfer_response {
 } __packed;
 
 /* SDIO */
-/* Version of the Greybus sdio protocol we support */
-#define GB_SDIO_VERSION_MAJOR		0x00
-#define GB_SDIO_VERSION_MINOR		0x01
-
 /* Greybus SDIO operation types */
 #define GB_SDIO_TYPE_GET_CAPABILITIES		0x02
 #define GB_SDIO_TYPE_SET_IOS			0x03
diff --git a/drivers/staging/greybus/i2c.c b/drivers/staging/greybus/i2c.c
index 6c14e6776adf..2541bdbb9dd9 100644
--- a/drivers/staging/greybus/i2c.c
+++ b/drivers/staging/greybus/i2c.c
@@ -271,10 +271,6 @@ static int gb_i2c_probe(struct gbphy_device *gbphy_dev,
 	if (ret)
 		goto exit_connection_destroy;
 
-	ret = gb_gbphy_get_version(connection);
-	if (ret)
-		goto exit_connection_disable;
-
 	ret = gb_i2c_device_setup(gb_i2c_dev);
 	if (ret)
 		goto exit_connection_disable;
diff --git a/drivers/staging/greybus/pwm.c b/drivers/staging/greybus/pwm.c
index 77b05e895550..b941cb5b5063 100644
--- a/drivers/staging/greybus/pwm.c
+++ b/drivers/staging/greybus/pwm.c
@@ -206,10 +206,6 @@ static int gb_pwm_probe(struct gbphy_device *gbphy_dev,
 	if (ret)
 		goto exit_connection_destroy;
 
-	ret = gb_gbphy_get_version(connection);
-	if (ret)
-		goto exit_connection_disable;
-
 	/* Query number of pwms present */
 	ret = gb_pwm_count_operation(pwmc);
 	if (ret)
diff --git a/drivers/staging/greybus/sdio.c b/drivers/staging/greybus/sdio.c
index bdcc86923c54..a270517c90c8 100644
--- a/drivers/staging/greybus/sdio.c
+++ b/drivers/staging/greybus/sdio.c
@@ -748,10 +748,6 @@ static int gb_sdio_probe(struct gbphy_device *gbphy_dev,
 	if (ret)
 		goto exit_connection_destroy;
 
-	ret = gb_gbphy_get_version(connection);
-	if (ret)
-		goto exit_connection_disable;
-
 	ret = gb_sdio_get_caps(host);
 	if (ret < 0)
 		goto exit_connection_disable;
diff --git a/drivers/staging/greybus/spi.c b/drivers/staging/greybus/spi.c
index 4f13efeeb91e..a82337931c0d 100644
--- a/drivers/staging/greybus/spi.c
+++ b/drivers/staging/greybus/spi.c
@@ -29,10 +29,6 @@ static int gb_spi_probe(struct gbphy_device *gbphy_dev,
 	if (ret)
 		goto exit_connection_destroy;
 
-	ret = gb_gbphy_get_version(connection);
-	if (ret)
-		goto exit_connection_disable;
-
 	ret = gb_spilib_master_init(connection, &gbphy_dev->dev);
 	if (ret)
 		goto exit_connection_disable;
diff --git a/drivers/staging/greybus/uart.c b/drivers/staging/greybus/uart.c
index a2fca3b3358e..d1611abf8ccd 100644
--- a/drivers/staging/greybus/uart.c
+++ b/drivers/staging/greybus/uart.c
@@ -904,10 +904,6 @@ static int gb_uart_probe(struct gbphy_device *gbphy_dev,
 	if (retval)
 		goto exit_release_minor;
 
-	retval = gb_gbphy_get_version(connection);
-	if (retval)
-		goto exit_connection_disable;
-
 	send_control(gb_tty, gb_tty->ctrlout);
 
 	/* initialize the uart to be 9600n81 */
diff --git a/drivers/staging/greybus/usb.c b/drivers/staging/greybus/usb.c
index e5ba34ac7643..ccadda084b76 100644
--- a/drivers/staging/greybus/usb.c
+++ b/drivers/staging/greybus/usb.c
@@ -190,10 +190,6 @@ static int gb_usb_probe(struct gbphy_device *gbphy_dev,
 	if (retval)
 		goto exit_connection_destroy;
 
-	retval = gb_gbphy_get_version(connection);
-	if (retval)
-		goto exit_connection_disable;
-
 	/*
 	 * FIXME: The USB bridged-PHY protocol driver depends on changes to
 	 *        USB core which are not yet upstream.