diff --git a/arch/arm/mach-omap2/clock3xxx.h b/arch/arm/mach-omap2/clock3xxx.h
deleted file mode 100644
index 10a9f577dc1a..000000000000
--- a/arch/arm/mach-omap2/clock3xxx.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-/*
- * OMAP3-common clock function prototypes and macros
- *
- * Copyright (C) 2007-2010 Texas Instruments, Inc.
- * Copyright (C) 2007-2010 Nokia Corporation
- */
-
-#ifndef __ARCH_ARM_MACH_OMAP2_CLOCK3XXX_H
-#define __ARCH_ARM_MACH_OMAP2_CLOCK3XXX_H
-
-int omap3xxx_clk_init(void);
-int omap3_core_dpll_m2_set_rate(struct clk_hw *clk, unsigned long rate,
-					unsigned long parent_rate);
-
-extern struct clk *sdrc_ick_p;
-extern struct clk *arm_fck_p;
-
-extern const struct clkops clkops_noncore_dpll_ops;
-
-#endif
diff --git a/arch/arm/mach-omap2/common.h b/arch/arm/mach-omap2/common.h
index f8f9cc5b6964..fc041d18809b 100644
--- a/arch/arm/mach-omap2/common.h
+++ b/arch/arm/mach-omap2/common.h
@@ -38,7 +38,6 @@
 #include <asm/hardware/cache-l2x0.h>
 
 #include "i2c.h"
-#include "serial.h"
 
 #define OMAP_INTC_START		NR_IRQS
 
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index fba0c7aa398c..921c18ccde6d 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/arch/arm/mach-omap2/io.c
@@ -33,10 +33,8 @@
 #include "common.h"
 #include "clock.h"
 #include "clock2xxx.h"
-#include "clock3xxx.h"
 #include "sdrc.h"
 #include "control.h"
-#include "serial.h"
 #include "sram.h"
 #include "cm2xxx.h"
 #include "cm3xxx.h"
diff --git a/arch/arm/mach-omap2/omap_hwmod_2420_data.c b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
index 558fae4375ba..dbd9dc9f0962 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
@@ -22,7 +22,6 @@
 #include "prm-regbits-24xx.h"
 #include "i2c.h"
 #include "mmc.h"
-#include "serial.h"
 #include "wd_timer.h"
 
 /*
diff --git a/arch/arm/mach-omap2/omap_hwmod_2xxx_interconnect_data.c b/arch/arm/mach-omap2/omap_hwmod_2xxx_interconnect_data.c
index 518e877bb2a1..761d34914ed9 100644
--- a/arch/arm/mach-omap2/omap_hwmod_2xxx_interconnect_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_interconnect_data.c
@@ -13,7 +13,6 @@
 #include "omap_hwmod.h"
 #include "l3_2xxx.h"
 #include "l4_2xxx.h"
-#include "serial.h"
 
 #include "omap_hwmod_common_data.h"
 
diff --git a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
index b6c7d98a9eff..4dbd56911c95 100644
--- a/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_3xxx_data.c
@@ -27,7 +27,6 @@
 
 #include "i2c.h"
 #include "wd_timer.h"
-#include "serial.h"
 
 /*
  * OMAP3xxx hardware module integration data
diff --git a/arch/arm/mach-omap2/serial.h b/arch/arm/mach-omap2/serial.h
deleted file mode 100644
index 7ca1fcff453b..000000000000
--- a/arch/arm/mach-omap2/serial.h
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright (C) 2009 Texas Instruments
- * Added OMAP4 support- Santosh Shilimkar <santosh.shilimkar@ti.com>
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-/* OMAP2 serial ports */
-#define OMAP2_UART1_BASE	0x4806a000
-#define OMAP2_UART2_BASE	0x4806c000
-#define OMAP2_UART3_BASE	0x4806e000
-
-/* OMAP3 serial ports */
-#define OMAP3_UART1_BASE	OMAP2_UART1_BASE
-#define OMAP3_UART2_BASE	OMAP2_UART2_BASE
-#define OMAP3_UART3_BASE	0x49020000
-#define OMAP3_UART4_BASE	0x49042000	/* Only on 36xx */
-#define OMAP3_UART4_AM35XX_BASE	0x4809E000	/* Only on AM35xx */
-
-/* OMAP4 serial ports */
-#define OMAP4_UART1_BASE	OMAP2_UART1_BASE
-#define OMAP4_UART2_BASE	OMAP2_UART2_BASE
-#define OMAP4_UART3_BASE	0x48020000
-#define OMAP4_UART4_BASE	0x4806e000
-
-/* TI81XX serial ports */
-#define TI81XX_UART1_BASE	0x48020000
-#define TI81XX_UART2_BASE	0x48022000
-#define TI81XX_UART3_BASE	0x48024000
-
-/* AM3505/3517 UART4 */
-#define AM35XX_UART4_BASE	0x4809E000	/* Only on AM3505/3517 */
-
-/* AM33XX serial port */
-#define AM33XX_UART1_BASE	0x44E09000
-
-/* OMAP5 serial ports */
-#define OMAP5_UART1_BASE	OMAP2_UART1_BASE
-#define OMAP5_UART2_BASE	OMAP2_UART2_BASE
-#define OMAP5_UART3_BASE	OMAP4_UART3_BASE
-#define OMAP5_UART4_BASE	OMAP4_UART4_BASE
-#define OMAP5_UART5_BASE	0x48066000
-#define OMAP5_UART6_BASE	0x48068000
-
-/* External port on Zoom2/3 */
-#define ZOOM_UART_BASE		0x10000000
-#define ZOOM_UART_VIRT		0xfa400000
-
-#define OMAP_PORT_SHIFT		2
-#define ZOOM_PORT_SHIFT		1
-
-#define OMAP24XX_BASE_BAUD	(48000000/16)
-
-#ifndef __ASSEMBLER__
-
-struct omap_board_data;
-struct omap_uart_port_info;
-
-extern void omap_serial_init(void);
-extern void omap_serial_board_init(struct omap_uart_port_info *platform_data);
-extern void omap_serial_init_port(struct omap_board_data *bdata,
-		struct omap_uart_port_info *platform_data);
-#endif
