diff --git a/machine.c b/machine.c
index 3c6e8535..da263e63 100644
--- a/machine.c
+++ b/machine.c
@@ -1230,7 +1230,6 @@ __code const struct machine machine = {
 __code const struct machine machine = {
 	.machine_name = "PB-2132",
 	.isRTL8373 = 1,
-	.mac_flash_offset = 0x1FC000,
 	.min_port = 0,
 	.max_port = 8,
 	.n_sfp = 1,
@@ -1238,14 +1237,12 @@ __code const struct machine machine = {
 	.phys_to_log_port = {0, 1, 2, 3, 4, 5, 6, 7, 8},
 	.is_sfp = {0, 0, 0, 0, 0, 0, 0, 0, 1},
 
-	/* PB-2132: GPIO30 is the verified SFP MOD_ABS input. */
 	.sfp_port[0].pin_detect = GPIO30_ACL_BIT3_EN,
 	.sfp_port[0].pin_los = GPIO37,
 	.sfp_port[0].pin_tx_disable = GPIO_NA,
 	.sfp_port[0].sds = 1,
 	.sfp_port[0].i2c = { .sda = GPIO39_I2C_SDA4, .scl = GPIO40_I2C_SCL3_MDC1 },
 
-	/* Reset GPIO is not identified on PB-2132; disable reset-button polling. */
 	.reset_pin = GPIO_NA,
 
 	.high_leds = { .mux = LED_27 | LED_28_SYS | LED_29, .enable = LED_28_SYS | LED_29 },
diff --git a/machine.h b/machine.h
index cfaa1b89..53ed4910 100644
--- a/machine.h
+++ b/machine.h
@@ -47,6 +47,7 @@
 // #define MACHINE_LIANGUO_HYWS_SGT0108S
 // #define MACHINE_POE_2G080110GS
 // #define MACHINE_PB_2132
+
 typedef struct {
 	// GPIO pins for SDA/SCL
 	uint8_t sda;