diff --git a/arch/mips/rb532/prom.c b/arch/mips/rb532/prom.c
index 1bc0af8febf4b1bb0268bb7532900e6229f60b70..c5d8868e1b15e41ffed4caac135651165b0c50eb 100644
--- a/arch/mips/rb532/prom.c
+++ b/arch/mips/rb532/prom.c
@@ -41,8 +41,6 @@ extern void __init setup_serial_port(void);
 
 unsigned int idt_cpu_freq = 132000000;
 EXPORT_SYMBOL(idt_cpu_freq);
-unsigned int gpio_bootup_state;
-EXPORT_SYMBOL(gpio_bootup_state);
 
 static struct resource ddr_reg[] = {
 	{
@@ -108,9 +106,6 @@ void __init prom_setup_cmdline(void)
 				mips_machtype = MACH_MIKROTIK_RB532;
 		}
 
-		if (match_tag(prom_argv[i], GPIO_TAG))
-			gpio_bootup_state = tag2ul(prom_argv[i], GPIO_TAG);
-
 		strcpy(cp, prom_argv[i]);
 		cp += strlen(prom_argv[i]);
 	}
@@ -122,11 +117,6 @@ void __init prom_setup_cmdline(void)
 		strcpy(cp, arcs_cmdline);
 		cp += strlen(arcs_cmdline);
 	}
-	if (gpio_bootup_state & 0x02)
-		strcpy(cp, GPIO_INIT_NOBUTTON);
-	else
-		strcpy(cp, GPIO_INIT_BUTTON);
-
 	cmd_line[CL_SIZE-1] = '\0';
 
 	strcpy(arcs_cmdline, cmd_line);
diff --git a/include/asm-mips/mach-rc32434/prom.h b/include/asm-mips/mach-rc32434/prom.h
index 1d66ddcda89a5b6996781323b834bed6cf895700..660707f1bccebcc95cd83bb4a47359a508c20b3b 100644
--- a/include/asm-mips/mach-rc32434/prom.h
+++ b/include/asm-mips/mach-rc32434/prom.h
@@ -28,14 +28,10 @@
 
 #define PROM_ENTRY(x)		(0xbfc00000 + ((x) * 8))
 
-#define GPIO_INIT_NOBUTTON	""
-#define GPIO_INIT_BUTTON	" 2"
-
 #define SR_NMI			0x00180000
 #define SERIAL_SPEED_ENTRY	0x00000001
 
 #define FREQ_TAG		"HZ="
-#define GPIO_TAG		"gpio="
 #define KMAC_TAG		"kmac="
 #define MEM_TAG			"mem="
 #define BOARD_TAG		"board="