diff --git a/include/plat/arm/board/common/board_css_def.h b/include/plat/arm/board/common/board_css_def.h
index 1963bf0..3bb68ee 100644
--- a/include/plat/arm/board/common/board_css_def.h
+++ b/include/plat/arm/board/common/board_css_def.h
@@ -67,9 +67,6 @@
 #define PLAT_ARM_RUN_UART_BASE		SOC_CSS_UART1_BASE
 #define PLAT_ARM_RUN_UART_CLK_IN_HZ	SOC_CSS_UART1_CLK_IN_HZ
 
-#define PLAT_ARM_SP_MIN_RUN_UART_BASE		SOC_CSS_UART1_BASE
-#define PLAT_ARM_SP_MIN_RUN_UART_CLK_IN_HZ	SOC_CSS_UART1_CLK_IN_HZ
-
 #define PLAT_ARM_CRASH_UART_BASE		PLAT_ARM_RUN_UART_BASE
 #define PLAT_ARM_CRASH_UART_CLK_IN_HZ		PLAT_ARM_RUN_UART_CLK_IN_HZ
 
diff --git a/plat/arm/board/n1sdp/include/platform_def.h b/plat/arm/board/n1sdp/include/platform_def.h
index 82f1e7f..eb878ed 100644
--- a/plat/arm/board/n1sdp/include/platform_def.h
+++ b/plat/arm/board/n1sdp/include/platform_def.h
@@ -19,9 +19,6 @@
 #define PLAT_ARM_RUN_UART_BASE			0x1C090000
 #define PLAT_ARM_RUN_UART_CLK_IN_HZ		24000000
 
-#define PLAT_ARM_SP_MIN_RUN_UART_BASE		0x2A410000
-#define PLAT_ARM_SP_MIN_RUN_UART_CLK_IN_HZ	50000000
-
 #define PLAT_ARM_CRASH_UART_BASE		PLAT_ARM_RUN_UART_BASE
 #define PLAT_ARM_CRASH_UART_CLK_IN_HZ		PLAT_ARM_RUN_UART_CLK_IN_HZ
 
diff --git a/plat/arm/board/tc/include/platform_def.h b/plat/arm/board/tc/include/platform_def.h
index f7a4807..cb8ecb0 100644
--- a/plat/arm/board/tc/include/platform_def.h
+++ b/plat/arm/board/tc/include/platform_def.h
@@ -391,8 +391,6 @@
  */
 #undef PLAT_ARM_BOOT_UART_BASE
 #undef PLAT_ARM_RUN_UART_BASE
-#undef PLAT_ARM_SP_MIN_RUN_UART_BASE
-#define PLAT_ARM_SP_MIN_RUN_UART_BASE	PLAT_ARM_RUN_UART_BASE
 
 #undef PLAT_ARM_CRASH_UART_BASE
 #undef PLAT_ARM_BOOT_UART_CLK_IN_HZ
@@ -413,7 +411,6 @@
 #endif /* TARGET_FLAVOUR_FPGA */
 
 #define PLAT_ARM_RUN_UART_BASE		TC_UART0
-#define PLAT_ARM_SP_MIN_RUN_UART_BASE	PLAT_ARM_RUN_UART_BASE
 #define PLAT_ARM_CRASH_UART_BASE	PLAT_ARM_RUN_UART_BASE
 
 #define PLAT_ARM_BOOT_UART_CLK_IN_HZ	TC_UARTCLK