diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index b4f0e37b83eb..74403e80221c 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -54,15 +54,6 @@ config SUPERH
 	select HAVE_NMI
 	select NEED_SG_DMA_LENGTH
 	select ARCH_HAS_GIGANTIC_PAGE
-
-	help
-	  The SuperH is a RISC processor targeted for use in embedded systems
-	  and consumer electronics; it was also used in the Sega Dreamcast
-	  gaming console.  The SuperH port has a home page at
-	  <http://www.linux-sh.org/>.
-
-config SUPERH32
-	def_bool "$(ARCH)" = "sh"
 	select ARCH_32BIT_OFF_T
 	select GUP_GET_PTE_LOW_HIGH if X2TLB
 	select HAVE_KPROBES
@@ -81,19 +72,15 @@ config SUPERH32
 	select ARCH_HIBERNATION_POSSIBLE if MMU
 	select SPARSE_IRQ
 	select HAVE_STACKPROTECTOR
-
-config SUPERH64
-	def_bool "$(ARCH)" = "sh64"
-	select HAVE_EXIT_THREAD
-	select KALLSYMS
+	help
+	  The SuperH is a RISC processor targeted for use in embedded systems
+	  and consumer electronics; it was also used in the Sega Dreamcast
+	  gaming console.  The SuperH port has a home page at
+	  <http://www.linux-sh.org/>.
 
 config GENERIC_BUG
 	def_bool y
-	depends on BUG && SUPERH32
-
-config GENERIC_CSUM
-	def_bool y
-	depends on SUPERH64
+	depends on BUG
 
 config GENERIC_HWEIGHT
 	def_bool y
@@ -203,12 +190,6 @@ config CPU_SH4AL_DSP
 	select CPU_SH4A
 	select CPU_HAS_DSP
 
-config CPU_SH5
-	bool
-	select CPU_HAS_FPU
-	select SYS_SUPPORTS_SH_TMU
-	select SYS_SUPPORTS_HUGETLBFS if MMU
-
 config CPU_SHX2
 	bool
 
@@ -228,8 +209,6 @@ config CPU_HAS_PMU
        default y
        bool
 
-if SUPERH32
-
 choice
 	prompt "Processor sub-type selection"
 
@@ -518,27 +497,6 @@ config CPU_SUBTYPE_SH7366
 
 endchoice
 
-endif
-
-if SUPERH64
-
-choice
-	prompt "Processor sub-type selection"
-
-# SH-5 Processor Support
-
-config CPU_SUBTYPE_SH5_101
-	bool "Support SH5-101 processor"
-	select CPU_SH5
-
-config CPU_SUBTYPE_SH5_103
-	bool "Support SH5-103 processor"
-	select CPU_SH5
-
-endchoice
-
-endif
-
 source "arch/sh/mm/Kconfig"
  
 source "arch/sh/Kconfig.cpu"
@@ -592,7 +550,7 @@ source "kernel/Kconfig.hz"
 
 config KEXEC
 	bool "kexec system call (EXPERIMENTAL)"
-	depends on SUPERH32 && MMU
+	depends on MMU
 	select KEXEC_CORE
 	help
 	  kexec is a system call that implements the ability to shutdown your
@@ -610,7 +568,7 @@ config KEXEC
 
 config CRASH_DUMP
 	bool "kernel crash dumps (EXPERIMENTAL)"
-	depends on SUPERH32 && BROKEN_ON_SMP
+	depends on BROKEN_ON_SMP
 	help
 	  Generate crash dump after being started by kexec.
 	  This should be normally only set in special crash dump kernels
@@ -624,7 +582,7 @@ config CRASH_DUMP
 
 config KEXEC_JUMP
 	bool "kexec jump (EXPERIMENTAL)"
-	depends on SUPERH32 && KEXEC && HIBERNATION
+	depends on KEXEC && HIBERNATION
 	help
 	  Jump between original kernel and kexeced kernel and invoke
 	  code via KEXEC
@@ -701,7 +659,7 @@ config HOTPLUG_CPU
 
 config GUSA
 	def_bool y
-	depends on !SMP && SUPERH32
+	depends on !SMP
 	help
 	  This enables support for gUSA (general UserSpace Atomicity).
 	  This is the default implementation for both UP and non-ll/sc
diff --git a/arch/sh/Kconfig.cpu b/arch/sh/Kconfig.cpu
index 4a4edc7e03d4..97ca35f2cd37 100644
--- a/arch/sh/Kconfig.cpu
+++ b/arch/sh/Kconfig.cpu
@@ -13,7 +13,6 @@ config CPU_LITTLE_ENDIAN
 
 config CPU_BIG_ENDIAN
 	bool "Big Endian"
-	depends on !CPU_SH5
 
 endchoice
 
@@ -27,10 +26,6 @@ config SH_FPU
 
 	  This option must be set in order to enable the FPU.
 
-config SH64_FPU_DENORM_FLUSH
-	bool "Flush floating point denorms to zero"
-	depends on SH_FPU && SUPERH64
-
 config SH_FPU_EMU
 	def_bool n
 	prompt "FPU emulation support"
@@ -77,10 +72,6 @@ config SPECULATIVE_EXECUTION
 
 	  If unsure, say N.
 
-config SH64_ID2815_WORKAROUND
-	bool "Include workaround for SH5-101 cut2 silicon defect ID2815"
-	depends on CPU_SUBTYPE_SH5_101
-
 config CPU_HAS_INTEVT
 	bool
 
diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index 010b6c33bbba..28a43d63bde1 100644
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -5,7 +5,6 @@ config TRACE_IRQFLAGS_SUPPORT
 
 config SH_STANDARD_BIOS
 	bool "Use LinuxSH standard BIOS"
-	depends on SUPERH32
 	help
 	  Say Y here if your target has the gdb-sh-stub
 	  package from www.m17n.org (or any conforming standard LinuxSH BIOS)
@@ -19,7 +18,7 @@ config SH_STANDARD_BIOS
 
 config STACK_DEBUG
 	bool "Check for stack overflows"
-	depends on DEBUG_KERNEL && SUPERH32
+	depends on DEBUG_KERNEL
 	help
 	  This option will cause messages to be printed if free stack space
 	  drops below a certain limit. Saying Y here will add overhead to
@@ -38,7 +37,7 @@ config 4KSTACKS
 
 config IRQSTACKS
 	bool "Use separate kernel stacks when processing interrupts"
-	depends on DEBUG_KERNEL && SUPERH32 && BROKEN
+	depends on DEBUG_KERNEL && BROKEN
 	help
 	  If you say Y here the kernel will use separate kernel stacks
 	  for handling hard and soft interrupts.  This can help avoid
@@ -46,7 +45,7 @@ config IRQSTACKS
 
 config DUMP_CODE
 	bool "Show disassembly of nearby code in register dumps"
-	depends on DEBUG_KERNEL && SUPERH32
+	depends on DEBUG_KERNEL
 	default y if DEBUG_BUGVERBOSE
 	default n
 	help
@@ -59,7 +58,6 @@ config DUMP_CODE
 config DWARF_UNWINDER
 	bool "Enable the DWARF unwinder for stacktraces"
 	select FRAME_POINTER
-	depends on SUPERH32
 	default n
 	help
 	  Enabling this option will make stacktraces more accurate, at
@@ -77,11 +75,6 @@ config SH_NO_BSS_INIT
 	  For all other cases, say N. If this option seems perplexing, or
 	  you aren't sure, say N.
 
-config SH64_SR_WATCH
-	bool "Debug: set SR.WATCH to enable hardware watchpoints and trace"
-	depends on SUPERH64
-
 config MCOUNT
 	def_bool y
-	depends on SUPERH32
 	depends on STACK_DEBUG || FUNCTION_TRACER
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index b4a86f27e048..da9cf952f33c 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -11,7 +11,7 @@
 #
 ifneq ($(SUBARCH),$(ARCH))
   ifeq ($(CROSS_COMPILE),)
-    CROSS_COMPILE := $(call cc-cross-prefix, $(UTS_MACHINE)-linux-  $(UTS_MACHINE)-linux-gnu-  $(UTS_MACHINE)-unknown-linux-gnu-)
+    CROSS_COMPILE := $(call cc-cross-prefix, sh-linux- sh-linux-gnu- sh-unknown-linux-gnu-)
   endif
 endif
 
@@ -29,12 +29,9 @@ isa-$(CONFIG_CPU_SH3)			:= sh3
 isa-$(CONFIG_CPU_SH4)			:= sh4
 isa-$(CONFIG_CPU_SH4A)			:= sh4a
 isa-$(CONFIG_CPU_SH4AL_DSP)		:= sh4al
-isa-$(CONFIG_CPU_SH5)			:= shmedia
 
-ifeq ($(CONFIG_SUPERH32),y)
 isa-$(CONFIG_SH_DSP)			:= $(isa-y)-dsp
 isa-y					:= $(isa-y)-up
-endif
 
 cflags-$(CONFIG_CPU_SH2)		:= $(call cc-option,-m2,)
 cflags-$(CONFIG_CPU_J2)			+= $(call cc-option,-mj2,)
@@ -47,7 +44,6 @@ cflags-$(CONFIG_CPU_SH4)		:= $(call cc-option,-m4,) \
 cflags-$(CONFIG_CPU_SH4A)		+= $(call cc-option,-m4a,) \
 					   $(call cc-option,-m4a-nofpu,)
 cflags-$(CONFIG_CPU_SH4AL_DSP)		+= $(call cc-option,-m4al,)
-cflags-$(CONFIG_CPU_SH5)		:= $(call cc-option,-m5-32media-nofpu,)
 
 ifeq ($(cflags-y),)
 #
@@ -88,7 +84,7 @@ OBJCOPYFLAGS	:= -O binary -R .note -R .note.gnu.build-id -R .comment \
 		   -R .stab -R .stabstr -S
 
 # Give the various platforms the opportunity to set default image types
-defaultimage-$(CONFIG_SUPERH32)			:= zImage
+defaultimage-y					:= zImage
 defaultimage-$(CONFIG_SH_SH7785LCR)		:= uImage
 defaultimage-$(CONFIG_SH_RSK)			:= uImage
 defaultimage-$(CONFIG_SH_URQUELL)		:= uImage
@@ -107,31 +103,22 @@ KBUILD_IMAGE		:= $(boot)/$(defaultimage-y)
 # Choosing incompatible machines durings configuration will result in
 # error messages during linking.
 #
-ifdef CONFIG_SUPERH32
 UTS_MACHINE		:= sh
-BITS			:= 32
 LDFLAGS_vmlinux		+= -e _stext
-else
-UTS_MACHINE		:= sh64
-BITS			:= 64
-LDFLAGS_vmlinux		+= --defsym phys_stext=_stext-$(CONFIG_PAGE_OFFSET) \
-			   --defsym phys_stext_shmedia=phys_stext+1 \
-			   -e phys_stext_shmedia
-endif
 
 ifdef CONFIG_CPU_LITTLE_ENDIAN
-ld-bfd			:= elf32-$(UTS_MACHINE)-linux
+ld-bfd			:= elf32-sh-linux
 LDFLAGS_vmlinux		+= --defsym jiffies=jiffies_64 --oformat $(ld-bfd)
 KBUILD_LDFLAGS		+= -EL
 else
-ld-bfd			:= elf32-$(UTS_MACHINE)big-linux
+ld-bfd			:= elf32-shbig-linux
 LDFLAGS_vmlinux		+= --defsym jiffies=jiffies_64+4 --oformat $(ld-bfd)
 KBUILD_LDFLAGS		+= -EB
 endif
 
-export ld-bfd BITS
+export ld-bfd
 
-head-y	:= arch/sh/kernel/head_$(BITS).o
+head-y	:= arch/sh/kernel/head_32.o
 
 core-y				+= arch/sh/kernel/ arch/sh/mm/ arch/sh/boards/
 core-$(CONFIG_SH_FPU_EMU)	+= arch/sh/math-emu/
@@ -185,7 +172,6 @@ cpuincdir-$(CONFIG_CPU_SH2)	+= cpu-sh2
 cpuincdir-$(CONFIG_CPU_SH3)	+= cpu-sh3
 cpuincdir-$(CONFIG_CPU_SH4A)	+= cpu-sh4a
 cpuincdir-$(CONFIG_CPU_SH4)	+= cpu-sh4
-cpuincdir-$(CONFIG_CPU_SH5)	+= cpu-sh5
 cpuincdir-y			+= cpu-common	# Must be last
 
 drivers-y			+= arch/sh/drivers/
@@ -206,8 +192,7 @@ ifeq ($(CONFIG_DWARF_UNWINDER),y)
   KBUILD_CFLAGS += -fasynchronous-unwind-tables
 endif
 
-libs-$(CONFIG_SUPERH32)		:= arch/sh/lib/	$(libs-y)
-libs-$(CONFIG_SUPERH64)		:= arch/sh/lib64/ $(libs-y)
+libs-y			:= arch/sh/lib/	$(libs-y)
 
 BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.xz uImage.lzo \
 	       uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \
diff --git a/arch/sh/boot/compressed/Makefile b/arch/sh/boot/compressed/Makefile
index f5e1bd779789..ad0e2403e56f 100644
--- a/arch/sh/boot/compressed/Makefile
+++ b/arch/sh/boot/compressed/Makefile
@@ -8,9 +8,9 @@
 targets		:= vmlinux vmlinux.bin vmlinux.bin.gz \
 		   vmlinux.bin.bz2 vmlinux.bin.lzma \
 		   vmlinux.bin.xz vmlinux.bin.lzo \
-		   head_$(BITS).o misc.o piggy.o
+		   head_32.o misc.o piggy.o
 
-OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/cache.o
+OBJECTS = $(obj)/head_32.o $(obj)/misc.o $(obj)/cache.o
 
 GCOV_PROFILE := n
 
@@ -39,15 +39,11 @@ LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext $(IMAGE_OFFSET) -e startup \
 #
 # Pull in the necessary libgcc bits from the in-kernel implementation.
 #
-lib1funcs-$(CONFIG_SUPERH32)	:= ashiftrt.S ashldi3.c ashrsi3.S ashlsi3.S \
-				   lshrsi3.S
-lib1funcs-obj			:= \
+lib1funcs-y	:= ashiftrt.S ashldi3.c ashrsi3.S ashlsi3.S lshrsi3.S
+lib1funcs-obj   := \
 	$(addsuffix .o, $(basename $(addprefix $(obj)/, $(lib1funcs-y))))
 
 lib1funcs-dir		:= $(srctree)/arch/$(SRCARCH)/lib
-ifeq ($(BITS),64)
-	lib1funcs-dir 	:= $(addsuffix $(BITS), $(lib1funcs-dir))
-endif
 
 KBUILD_CFLAGS += -I$(lib1funcs-dir) -DDISABLE_BRANCH_PROFILING
 
diff --git a/arch/sh/boot/compressed/misc.c b/arch/sh/boot/compressed/misc.c
index e69ec12cbbe6..a03b6680a9d9 100644
--- a/arch/sh/boot/compressed/misc.c
+++ b/arch/sh/boot/compressed/misc.c
@@ -116,11 +116,7 @@ void ftrace_stub(void)
 {
 }
 
-#ifdef CONFIG_SUPERH64
-#define stackalign	8
-#else
 #define stackalign	4
-#endif
 
 #define STACK_SIZE (4096)
 long __attribute__ ((aligned(stackalign))) user_stack[STACK_SIZE];
@@ -130,13 +126,9 @@ void decompress_kernel(void)
 {
 	unsigned long output_addr;
 
-#ifdef CONFIG_SUPERH64
-	output_addr = (CONFIG_MEMORY_START + 0x2000);
-#else
 	output_addr = __pa((unsigned long)&_text+PAGE_SIZE);
 #if defined(CONFIG_29BIT)
 	output_addr |= P2SEG;
-#endif
 #endif
 
 	output = (unsigned char *)output_addr;
diff --git a/arch/sh/drivers/pci/Makefile b/arch/sh/drivers/pci/Makefile
index 947bfe8bb0a7..a5c1e9066f83 100644
--- a/arch/sh/drivers/pci/Makefile
+++ b/arch/sh/drivers/pci/Makefile
@@ -10,7 +10,6 @@ obj-$(CONFIG_CPU_SUBTYPE_SH7763)	+= pci-sh7780.o ops-sh4.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7780)	+= pci-sh7780.o ops-sh4.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7785)	+= pci-sh7780.o ops-sh4.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7786)	+= pcie-sh7786.o ops-sh7786.o
-obj-$(CONFIG_CPU_SH5)			+= pci-sh5.o ops-sh5.o
 
 obj-$(CONFIG_SH_DREAMCAST)		+= ops-dreamcast.o fixups-dreamcast.o \
 					   pci-dreamcast.o
diff --git a/arch/sh/drivers/pci/ops-sh5.c b/arch/sh/drivers/pci/ops-sh5.c
deleted file mode 100644
index 9fbaf72949ab..000000000000
diff --git a/arch/sh/drivers/pci/pci-sh5.c b/arch/sh/drivers/pci/pci-sh5.c
deleted file mode 100644
index 03225d27770b..000000000000
diff --git a/arch/sh/drivers/pci/pci-sh5.h b/arch/sh/drivers/pci/pci-sh5.h
deleted file mode 100644
index 91348af0ef6c..000000000000
diff --git a/arch/sh/include/asm/barrier.h b/arch/sh/include/asm/barrier.h
index 66faae19d254..0d58a0159aa6 100644
--- a/arch/sh/include/asm/barrier.h
+++ b/arch/sh/include/asm/barrier.h
@@ -6,7 +6,7 @@
 #ifndef __ASM_SH_BARRIER_H
 #define __ASM_SH_BARRIER_H
 
-#if defined(CONFIG_CPU_SH4A) || defined(CONFIG_CPU_SH5)
+#if defined(CONFIG_CPU_SH4A)
 #include <asm/cache_insns.h>
 #endif
 
@@ -24,7 +24,7 @@
  * Historically we have only done this type of barrier for the MMUCR, but
  * it's also necessary for the CCR, so we make it generic here instead.
  */
-#if defined(CONFIG_CPU_SH4A) || defined(CONFIG_CPU_SH5)
+#if defined(CONFIG_CPU_SH4A)
 #define mb()		__asm__ __volatile__ ("synco": : :"memory")
 #define rmb()		mb()
 #define wmb()		mb()
diff --git a/arch/sh/include/asm/bitops.h b/arch/sh/include/asm/bitops.h
index 8c3578288db5..445dd14c448a 100644
--- a/arch/sh/include/asm/bitops.h
+++ b/arch/sh/include/asm/bitops.h
@@ -26,7 +26,6 @@
 #include <asm-generic/bitops/non-atomic.h>
 #endif
 
-#ifdef CONFIG_SUPERH32
 static inline unsigned long ffz(unsigned long word)
 {
 	unsigned long result;
@@ -60,31 +59,6 @@ static inline unsigned long __ffs(unsigned long word)
 		: "t");
 	return result;
 }
-#else
-static inline unsigned long ffz(unsigned long word)
-{
-	unsigned long result, __d2, __d3;
-
-        __asm__("gettr  tr0, %2\n\t"
-                "pta    $+32, tr0\n\t"
-                "andi   %1, 1, %3\n\t"
-                "beq    %3, r63, tr0\n\t"
-                "pta    $+4, tr0\n"
-                "0:\n\t"
-                "shlri.l        %1, 1, %1\n\t"
-                "addi   %0, 1, %0\n\t"
-                "andi   %1, 1, %3\n\t"
-                "beqi   %3, 1, tr0\n"
-                "1:\n\t"
-                "ptabs  %2, tr0\n\t"
-                : "=r" (result), "=r" (word), "=r" (__d2), "=r" (__d3)
-                : "0" (0L), "1" (word));
-
-	return result;
-}
-
-#include <asm-generic/bitops/__ffs.h>
-#endif
 
 #include <asm-generic/bitops/find.h>
 #include <asm-generic/bitops/ffs.h>
diff --git a/arch/sh/include/asm/bl_bit.h b/arch/sh/include/asm/bl_bit.h
index 7e3d81691ad5..5d04f2c62563 100644
--- a/arch/sh/include/asm/bl_bit.h
+++ b/arch/sh/include/asm/bl_bit.h
@@ -1,11 +1,2 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __ASM_SH_BL_BIT_H
-#define __ASM_SH_BL_BIT_H
-
-#ifdef CONFIG_SUPERH32
-# include <asm/bl_bit_32.h>
-#else
-# include <asm/bl_bit_64.h>
-#endif
-
-#endif /* __ASM_SH_BL_BIT_H */
+#include <asm/bl_bit_32.h>
diff --git a/arch/sh/include/asm/bl_bit_64.h b/arch/sh/include/asm/bl_bit_64.h
deleted file mode 100644
index aac9780fe864..000000000000
diff --git a/arch/sh/include/asm/bugs.h b/arch/sh/include/asm/bugs.h
index 030df56bfdb2..fe52abb69cea 100644
--- a/arch/sh/include/asm/bugs.h
+++ b/arch/sh/include/asm/bugs.h
@@ -53,10 +53,6 @@ static void __init check_bugs(void)
 		*p++ = 's';
 		*p++ = 'p';
 		break;
-	case CPU_FAMILY_SH5:
-		*p++ = '6';
-		*p++ = '4';
-		break;
 	case CPU_FAMILY_UNKNOWN:
 		/*
 		 * Specifically use CPU_FAMILY_UNKNOWN rather than
diff --git a/arch/sh/include/asm/cache_insns.h b/arch/sh/include/asm/cache_insns.h
index c5a4acdc53f9..d7edd5297bd0 100644
--- a/arch/sh/include/asm/cache_insns.h
+++ b/arch/sh/include/asm/cache_insns.h
@@ -1,12 +1,2 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __ASM_SH_CACHE_INSNS_H
-#define __ASM_SH_CACHE_INSNS_H
-
-
-#ifdef CONFIG_SUPERH32
-# include <asm/cache_insns_32.h>
-#else
-# include <asm/cache_insns_64.h>
-#endif
-
-#endif /* __ASM_SH_CACHE_INSNS_H */
+#include <asm/cache_insns_32.h>
diff --git a/arch/sh/include/asm/cache_insns_64.h b/arch/sh/include/asm/cache_insns_64.h
deleted file mode 100644
index ed682b987b0d..000000000000
diff --git a/arch/sh/include/asm/checksum.h b/arch/sh/include/asm/checksum.h
index a460a108969d..00e39dd0d146 100644
--- a/arch/sh/include/asm/checksum.h
+++ b/arch/sh/include/asm/checksum.h
@@ -1,6 +1,2 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-#ifdef CONFIG_SUPERH32
-# include <asm/checksum_32.h>
-#else
-# include <asm-generic/checksum.h>
-#endif
+#include <asm/checksum_32.h>
diff --git a/arch/sh/include/asm/elf.h b/arch/sh/include/asm/elf.h
index 5ec8db1ddc20..7661fb5d548a 100644
--- a/arch/sh/include/asm/elf.h
+++ b/arch/sh/include/asm/elf.h
@@ -133,28 +133,6 @@ typedef struct user_fpu_struct elf_fpregset_t;
 
 #define ELF_PLATFORM	(utsname()->machine)
 
-#ifdef __SH5__
-#define ELF_PLAT_INIT(_r, load_addr) \
-  do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \
-       _r->regs[4]=0; _r->regs[5]=0; _r->regs[6]=0; _r->regs[7]=0; \
-       _r->regs[8]=0; _r->regs[9]=0; _r->regs[10]=0; _r->regs[11]=0; \
-       _r->regs[12]=0; _r->regs[13]=0; _r->regs[14]=0; _r->regs[15]=0; \
-       _r->regs[16]=0; _r->regs[17]=0; _r->regs[18]=0; _r->regs[19]=0; \
-       _r->regs[20]=0; _r->regs[21]=0; _r->regs[22]=0; _r->regs[23]=0; \
-       _r->regs[24]=0; _r->regs[25]=0; _r->regs[26]=0; _r->regs[27]=0; \
-       _r->regs[28]=0; _r->regs[29]=0; _r->regs[30]=0; _r->regs[31]=0; \
-       _r->regs[32]=0; _r->regs[33]=0; _r->regs[34]=0; _r->regs[35]=0; \
-       _r->regs[36]=0; _r->regs[37]=0; _r->regs[38]=0; _r->regs[39]=0; \
-       _r->regs[40]=0; _r->regs[41]=0; _r->regs[42]=0; _r->regs[43]=0; \
-       _r->regs[44]=0; _r->regs[45]=0; _r->regs[46]=0; _r->regs[47]=0; \
-       _r->regs[48]=0; _r->regs[49]=0; _r->regs[50]=0; _r->regs[51]=0; \
-       _r->regs[52]=0; _r->regs[53]=0; _r->regs[54]=0; _r->regs[55]=0; \
-       _r->regs[56]=0; _r->regs[57]=0; _r->regs[58]=0; _r->regs[59]=0; \
-       _r->regs[60]=0; _r->regs[61]=0; _r->regs[62]=0; \
-       _r->tregs[0]=0; _r->tregs[1]=0; _r->tregs[2]=0; _r->tregs[3]=0; \
-       _r->tregs[4]=0; _r->tregs[5]=0; _r->tregs[6]=0; _r->tregs[7]=0; \
-       _r->sr = SR_FD | SR_MMU; } while (0)
-#else
 #define ELF_PLAT_INIT(_r, load_addr) \
   do { _r->regs[0]=0; _r->regs[1]=0; _r->regs[2]=0; _r->regs[3]=0; \
        _r->regs[4]=0; _r->regs[5]=0; _r->regs[6]=0; _r->regs[7]=0; \
@@ -182,7 +160,6 @@ do {									\
 	_r->regs[14]	= 0;						\
 	_r->sr		= SR_FD;					\
 } while (0)
-#endif
 
 #define SET_PERSONALITY(ex) \
 	set_personality(PER_LINUX_32BIT | (current->personality & (~PER_MASK)))
diff --git a/arch/sh/include/asm/extable.h b/arch/sh/include/asm/extable.h
index ed46f8bebb9f..5658d2bae372 100644
--- a/arch/sh/include/asm/extable.h
+++ b/arch/sh/include/asm/extable.h
@@ -4,8 +4,4 @@
 
 #include <asm-generic/extable.h>
 
-#if defined(CONFIG_SUPERH64) && defined(CONFIG_MMU)
-#define ARCH_HAS_SEARCH_EXTABLE
-#endif
-
 #endif
diff --git a/arch/sh/include/asm/fixmap.h b/arch/sh/include/asm/fixmap.h
index e30348c58073..f38adc189b83 100644
--- a/arch/sh/include/asm/fixmap.h
+++ b/arch/sh/include/asm/fixmap.h
@@ -83,11 +83,7 @@ extern void __clear_fixmap(enum fixed_addresses idx, pgprot_t flags);
  * the start of the fixmap, and leave one page empty
  * at the top of mem..
  */
-#ifdef CONFIG_SUPERH32
 #define FIXADDR_TOP	(P4SEG - PAGE_SIZE)
-#else
-#define FIXADDR_TOP	((unsigned long)(-PAGE_SIZE))
-#endif
 #define FIXADDR_SIZE	(__end_of_fixed_addresses << PAGE_SHIFT)
 #define FIXADDR_START	(FIXADDR_TOP - FIXADDR_SIZE)
 
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index 39c9ead489e5..a5bcc87c7eb9 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -115,12 +115,8 @@ static inline void pfx##reads##bwlq(volatile void __iomem *mem,		\
 __BUILD_MEMORY_STRING(__raw_, b, u8)
 __BUILD_MEMORY_STRING(__raw_, w, u16)
 
-#ifdef CONFIG_SUPERH32
 void __raw_writesl(void __iomem *addr, const void *data, int longlen);
 void __raw_readsl(const void __iomem *addr, void *data, int longlen);
-#else
-__BUILD_MEMORY_STRING(__raw_, l, u32)
-#endif
 
 __BUILD_MEMORY_STRING(__raw_, q, u64)
 
diff --git a/arch/sh/include/asm/irq.h b/arch/sh/include/asm/irq.h
index 8065a3222e19..6d44c32ef047 100644
--- a/arch/sh/include/asm/irq.h
+++ b/arch/sh/include/asm/irq.h
@@ -66,8 +66,5 @@ extern void irq_finish(unsigned int irq);
 #endif
 
 #include <asm-generic/irq.h>
-#ifdef CONFIG_CPU_SH5
-#include <cpu/irq.h>
-#endif
 
 #endif /* __ASM_SH_IRQ_H */
diff --git a/arch/sh/include/asm/mmu_context.h b/arch/sh/include/asm/mmu_context.h
index 2d09650093c7..48e67d544d53 100644
--- a/arch/sh/include/asm/mmu_context.h
+++ b/arch/sh/include/asm/mmu_context.h
@@ -48,11 +48,7 @@
  */
 #define MMU_VPN_MASK	0xfffff000
 
-#if defined(CONFIG_SUPERH32)
 #include <asm/mmu_context_32.h>
-#else
-#include <asm/mmu_context_64.h>
-#endif
 
 /*
  * Get MMU context if needed.
@@ -74,14 +70,6 @@ static inline void get_mmu_context(struct mm_struct *mm, unsigned int cpu)
 		 */
 		local_flush_tlb_all();
 
-#ifdef CONFIG_SUPERH64
-		/*
-		 * The SH-5 cache uses the ASIDs, requiring both the I and D
-		 * cache to be flushed when the ASID is exhausted. Weak.
-		 */
-		flush_cache_all();
-#endif
-
 		/*
 		 * Fix version; Note that we avoid version #0
 		 * to distinguish NO_CONTEXT.
diff --git a/arch/sh/include/asm/mmu_context_64.h b/arch/sh/include/asm/mmu_context_64.h
deleted file mode 100644
index bacafe0b887d..000000000000
diff --git a/arch/sh/include/asm/module.h b/arch/sh/include/asm/module.h
index 9f38fb35fe96..2e29ee60c2b8 100644
--- a/arch/sh/include/asm/module.h
+++ b/arch/sh/include/asm/module.h
@@ -18,8 +18,6 @@ struct mod_arch_specific {
 #  define MODULE_PROC_FAMILY "SH3LE "
 # elif defined  CONFIG_CPU_SH4
 #  define MODULE_PROC_FAMILY "SH4LE "
-# elif defined  CONFIG_CPU_SH5
-#  define MODULE_PROC_FAMILY "SH5LE "
 # else
 #  error unknown processor family
 # endif
@@ -30,8 +28,6 @@ struct mod_arch_specific {
 #  define MODULE_PROC_FAMILY "SH3BE "
 # elif defined  CONFIG_CPU_SH4
 #  define MODULE_PROC_FAMILY "SH4BE "
-# elif defined  CONFIG_CPU_SH5
-#  define MODULE_PROC_FAMILY "SH5BE "
 # else
 #  error unknown processor family
 # endif
diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h
index ea8d68f58e39..eca5daa43b93 100644
--- a/arch/sh/include/asm/page.h
+++ b/arch/sh/include/asm/page.h
@@ -35,8 +35,6 @@
 #define HPAGE_SHIFT	22
 #elif defined(CONFIG_HUGETLB_PAGE_SIZE_64MB)
 #define HPAGE_SHIFT	26
-#elif defined(CONFIG_HUGETLB_PAGE_SIZE_512MB)
-#define HPAGE_SHIFT	29
 #endif
 
 #ifdef CONFIG_HUGETLB_PAGE
@@ -82,18 +80,12 @@ typedef struct { unsigned long long pgd; } pgd_t;
 	((x).pte_low | ((unsigned long long)(x).pte_high << 32))
 #define __pte(x) \
 	({ pte_t __pte = {(x), ((unsigned long long)(x)) >> 32}; __pte; })
-#elif defined(CONFIG_SUPERH32)
+#else
 typedef struct { unsigned long pte_low; } pte_t;
 typedef struct { unsigned long pgprot; } pgprot_t;
 typedef struct { unsigned long pgd; } pgd_t;
 #define pte_val(x)	((x).pte_low)
 #define __pte(x)	((pte_t) { (x) } )
-#else
-typedef struct { unsigned long long pte_low; } pte_t;
-typedef struct { unsigned long long pgprot; } pgprot_t;
-typedef struct { unsigned long pgd; } pgd_t;
-#define pte_val(x)	((x).pte_low)
-#define __pte(x)	((pte_t) { (x) } )
 #endif
 
 #define pgd_val(x)	((x).pgd)
@@ -191,15 +183,4 @@ typedef struct page *pgtable_t;
  */
 #define ARCH_DMA_MINALIGN	L1_CACHE_BYTES
 
-#ifdef CONFIG_SUPERH64
-/*
- * While BYTES_PER_WORD == 4 on the current sh64 ABI, GCC will still
- * happily generate {ld/st}.q pairs, requiring us to have 8-byte
- * alignment to avoid traps. The kmalloc alignment is guaranteed by
- * virtue of L1_CACHE_BYTES, requiring this to only be special cased
- * for slab caches.
- */
-#define ARCH_SLAB_MINALIGN	8
-#endif
-
 #endif /* __ASM_SH_PAGE_H */
diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h
index cbd0f3c55a0c..02d936406c6e 100644
--- a/arch/sh/include/asm/pgtable.h
+++ b/arch/sh/include/asm/pgtable.h
@@ -76,18 +76,10 @@ static inline unsigned long phys_addr_mask(void)
 #define PTE_PHYS_MASK		(phys_addr_mask() & PAGE_MASK)
 #define PTE_FLAGS_MASK		(~(PTE_PHYS_MASK) << PAGE_SHIFT)
 
-#ifdef CONFIG_SUPERH32
 #define VMALLOC_START	(P3SEG)
-#else
-#define VMALLOC_START	(0xf0000000)
-#endif
 #define VMALLOC_END	(FIXADDR_START-2*PAGE_SIZE)
 
-#if defined(CONFIG_SUPERH32)
 #include <asm/pgtable_32.h>
-#else
-#include <asm/pgtable_64.h>
-#endif
 
 /*
  * SH-X and lower (legacy) SuperH parts (SH-3, SH-4, some SH-4A) can't do page
@@ -159,15 +151,6 @@ static inline bool pte_access_permitted(pte_t pte, bool write)
 		prot |= _PAGE_EXT(_PAGE_EXT_KERN_WRITE | _PAGE_EXT_USER_WRITE);
 	return __pte_access_permitted(pte, prot);
 }
-#elif defined(CONFIG_SUPERH64)
-static inline bool pte_access_permitted(pte_t pte, bool write)
-{
-	u64 prot = _PAGE_PRESENT | _PAGE_USER | _PAGE_READ;
-
-	if (write)
-		prot |= _PAGE_WRITE;
-	return __pte_access_permitted(pte, prot);
-}
 #else
 static inline bool pte_access_permitted(pte_t pte, bool write)
 {
diff --git a/arch/sh/include/asm/pgtable_64.h b/arch/sh/include/asm/pgtable_64.h
deleted file mode 100644
index 1778bc5971e7..000000000000
diff --git a/arch/sh/include/asm/posix_types.h b/arch/sh/include/asm/posix_types.h
index 0d670fd94fe7..f8982b757c33 100644
--- a/arch/sh/include/asm/posix_types.h
+++ b/arch/sh/include/asm/posix_types.h
@@ -1,6 +1,2 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-# ifdef CONFIG_SUPERH32
-#  include <asm/posix_types_32.h>
-# else
-#  include <asm/posix_types_64.h>
-# endif
+#include <asm/posix_types_32.h>
diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h
index 6fbf8c80e498..3820d698846e 100644
--- a/arch/sh/include/asm/processor.h
+++ b/arch/sh/include/asm/processor.h
@@ -39,9 +39,6 @@ enum cpu_type {
 	/* SH4AL-DSP types */
 	CPU_SH7343, CPU_SH7722, CPU_SH7366, CPU_SH7372,
 
-	/* SH-5 types */
-        CPU_SH5_101, CPU_SH5_103,
-
 	/* Unknown subtype */
 	CPU_SH_NONE
 };
@@ -53,7 +50,6 @@ enum cpu_family {
 	CPU_FAMILY_SH4,
 	CPU_FAMILY_SH4A,
 	CPU_FAMILY_SH4AL_DSP,
-	CPU_FAMILY_SH5,
 	CPU_FAMILY_UNKNOWN,
 };
 
@@ -167,18 +163,12 @@ int vsyscall_init(void);
  */
 #ifdef CONFIG_CPU_SH2A
 extern unsigned int instruction_size(unsigned int insn);
-#elif defined(CONFIG_SUPERH32)
-#define instruction_size(insn)	(2)
 #else
-#define instruction_size(insn)	(4)
+#define instruction_size(insn)	(2)
 #endif
 
 #endif /* __ASSEMBLY__ */
 
-#ifdef CONFIG_SUPERH32
-# include <asm/processor_32.h>
-#else
-# include <asm/processor_64.h>
-#endif
+#include <asm/processor_32.h>
 
 #endif /* __ASM_SH_PROCESSOR_H */
diff --git a/arch/sh/include/asm/processor_64.h b/arch/sh/include/asm/processor_64.h
deleted file mode 100644
index 53efc9f51ef1..000000000000
diff --git a/arch/sh/include/asm/ptrace_64.h b/arch/sh/include/asm/ptrace_64.h
deleted file mode 100644
index 6ee08229b433..000000000000
diff --git a/arch/sh/include/asm/string.h b/arch/sh/include/asm/string.h
index 84fc5ed9c5b3..0f6331ec28ed 100644
--- a/arch/sh/include/asm/string.h
+++ b/arch/sh/include/asm/string.h
@@ -1,6 +1,2 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-#ifdef CONFIG_SUPERH32
-# include <asm/string_32.h>
-#else
-# include <asm/string_64.h>
-#endif
+#include <asm/string_32.h>
diff --git a/arch/sh/include/asm/string_64.h b/arch/sh/include/asm/string_64.h
deleted file mode 100644
index d51d6150a4e2..000000000000
diff --git a/arch/sh/include/asm/switch_to.h b/arch/sh/include/asm/switch_to.h
index 9eec80ab5aa2..bd139bcdeec1 100644
--- a/arch/sh/include/asm/switch_to.h
+++ b/arch/sh/include/asm/switch_to.h
@@ -4,13 +4,4 @@
  * Copyright (C) 2003  Paul Mundt
  * Copyright (C) 2004  Richard Curnow
  */
-#ifndef __ASM_SH_SWITCH_TO_H
-#define __ASM_SH_SWITCH_TO_H
-
-#ifdef CONFIG_SUPERH32
-# include <asm/switch_to_32.h>
-#else
-# include <asm/switch_to_64.h>
-#endif
-
-#endif /* __ASM_SH_SWITCH_TO_H */
+#include <asm/switch_to_32.h>
diff --git a/arch/sh/include/asm/switch_to_64.h b/arch/sh/include/asm/switch_to_64.h
deleted file mode 100644
index 2dbf2311669f..000000000000
diff --git a/arch/sh/include/asm/syscall.h b/arch/sh/include/asm/syscall.h
index 90ba00002626..570699eb0e58 100644
--- a/arch/sh/include/asm/syscall.h
+++ b/arch/sh/include/asm/syscall.h
@@ -4,10 +4,6 @@
 
 extern const unsigned long sys_call_table[];
 
-#ifdef CONFIG_SUPERH32
-# include <asm/syscall_32.h>
-#else
-# include <asm/syscall_64.h>
-#endif
+#include <asm/syscall_32.h>
 
 #endif /* __ASM_SH_SYSCALL_H */
diff --git a/arch/sh/include/asm/syscall_64.h b/arch/sh/include/asm/syscall_64.h
deleted file mode 100644
index 72efcbc76f91..000000000000
diff --git a/arch/sh/include/asm/syscalls.h b/arch/sh/include/asm/syscalls.h
index 995ef046232c..387105316d28 100644
--- a/arch/sh/include/asm/syscalls.h
+++ b/arch/sh/include/asm/syscalls.h
@@ -2,8 +2,6 @@
 #ifndef __ASM_SH_SYSCALLS_H
 #define __ASM_SH_SYSCALLS_H
 
-#ifdef __KERNEL__
-
 asmlinkage int old_mmap(unsigned long addr, unsigned long len,
 			unsigned long prot, unsigned long flags,
 			int fd, unsigned long off);
@@ -11,11 +9,6 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
 			  unsigned long prot, unsigned long flags,
 			  unsigned long fd, unsigned long pgoff);
 
-#ifdef CONFIG_SUPERH32
-# include <asm/syscalls_32.h>
-#else
-# include <asm/syscalls_64.h>
-#endif
+#include <asm/syscalls_32.h>
 
-#endif /* __KERNEL__ */
 #endif /* __ASM_SH_SYSCALLS_H */
diff --git a/arch/sh/include/asm/syscalls_64.h b/arch/sh/include/asm/syscalls_64.h
deleted file mode 100644
index df42656cebea..000000000000
diff --git a/arch/sh/include/asm/thread_info.h b/arch/sh/include/asm/thread_info.h
index cf5c792bf70b..6404be69d5fa 100644
--- a/arch/sh/include/asm/thread_info.h
+++ b/arch/sh/include/asm/thread_info.h
@@ -70,9 +70,7 @@ register unsigned long current_stack_pointer asm("r15") __used;
 static inline struct thread_info *current_thread_info(void)
 {
 	struct thread_info *ti;
-#if defined(CONFIG_SUPERH64)
-	__asm__ __volatile__ ("getcon	cr17, %0" : "=r" (ti));
-#elif defined(CONFIG_CPU_HAS_SR_RB)
+#if defined(CONFIG_CPU_HAS_SR_RB)
 	__asm__ __volatile__ ("stc	r7_bank, %0" : "=r" (ti));
 #else
 	unsigned long __dummy;
diff --git a/arch/sh/include/asm/tlb.h b/arch/sh/include/asm/tlb.h
index bc77f3dd4261..360f713d009b 100644
--- a/arch/sh/include/asm/tlb.h
+++ b/arch/sh/include/asm/tlb.h
@@ -2,10 +2,6 @@
 #ifndef __ASM_SH_TLB_H
 #define __ASM_SH_TLB_H
 
-#ifdef CONFIG_SUPERH64
-# include <asm/tlb_64.h>
-#endif
-
 #ifndef __ASSEMBLY__
 #include <linux/pagemap.h>
 
@@ -14,7 +10,7 @@
 
 #include <asm-generic/tlb.h>
 
-#if defined(CONFIG_CPU_SH4) || defined(CONFIG_SUPERH64)
+#if defined(CONFIG_CPU_SH4)
 extern void tlb_wire_entry(struct vm_area_struct *, unsigned long, pte_t);
 extern void tlb_unwire_entry(void);
 #else
diff --git a/arch/sh/include/asm/tlb_64.h b/arch/sh/include/asm/tlb_64.h
deleted file mode 100644
index 59fa0a23dad7..000000000000
diff --git a/arch/sh/include/asm/traps.h b/arch/sh/include/asm/traps.h
index 8844ed0c0fde..ba831bc7e08f 100644
--- a/arch/sh/include/asm/traps.h
+++ b/arch/sh/include/asm/traps.h
@@ -4,11 +4,7 @@
 
 #include <linux/compiler.h>
 
-#ifdef CONFIG_SUPERH32
 # include <asm/traps_32.h>
-#else
-# include <asm/traps_64.h>
-#endif
 
 BUILD_TRAP_HANDLER(address_error);
 BUILD_TRAP_HANDLER(debug);
diff --git a/arch/sh/include/asm/traps_64.h b/arch/sh/include/asm/traps_64.h
deleted file mode 100644
index f28db6dfbe45..000000000000
diff --git a/arch/sh/include/asm/types.h b/arch/sh/include/asm/types.h
index df96c511bb6e..68eb24ad2013 100644
--- a/arch/sh/include/asm/types.h
+++ b/arch/sh/include/asm/types.h
@@ -9,13 +9,8 @@
  */
 #ifndef __ASSEMBLY__
 
-#ifdef CONFIG_SUPERH32
 typedef u16 insn_size_t;
 typedef u32 reg_size_t;
-#else
-typedef u32 insn_size_t;
-typedef u64 reg_size_t;
-#endif
 
 #endif /* __ASSEMBLY__ */
 #endif /* __ASM_SH_TYPES_H */
diff --git a/arch/sh/include/asm/uaccess.h b/arch/sh/include/asm/uaccess.h
index 5fe751ad7582..73f3b48d4a34 100644
--- a/arch/sh/include/asm/uaccess.h
+++ b/arch/sh/include/asm/uaccess.h
@@ -96,11 +96,7 @@ struct __large_struct { unsigned long buf[100]; };
 	__pu_err;						\
 })
 
-#ifdef CONFIG_SUPERH32
 # include <asm/uaccess_32.h>
-#else
-# include <asm/uaccess_64.h>
-#endif
 
 extern long strncpy_from_user(char *dest, const char __user *src, long count);
 
diff --git a/arch/sh/include/asm/uaccess_64.h b/arch/sh/include/asm/uaccess_64.h
deleted file mode 100644
index 0c19d02dc566..000000000000
diff --git a/arch/sh/include/asm/unistd.h b/arch/sh/include/asm/unistd.h
index 9c7d9d9999c6..d6e126250136 100644
--- a/arch/sh/include/asm/unistd.h
+++ b/arch/sh/include/asm/unistd.h
@@ -1,9 +1,5 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-# ifdef CONFIG_SUPERH32
-#  include <asm/unistd_32.h>
-# else
-#  include <asm/unistd_64.h>
-# endif
+#include <asm/unistd_32.h>
 
 #define NR_syscalls	__NR_syscalls
 
diff --git a/arch/sh/include/asm/user.h b/arch/sh/include/asm/user.h
index e97f2efed527..7dfd3f6461e6 100644
--- a/arch/sh/include/asm/user.h
+++ b/arch/sh/include/asm/user.h
@@ -28,19 +28,12 @@
  *	to write an integer number of pages.
  */
 
-#if defined(__SH5__) || defined(CONFIG_CPU_SH5)
-struct user_fpu_struct {
-	unsigned long fp_regs[32];
-	unsigned int fpscr;
-};
-#else
 struct user_fpu_struct {
 	unsigned long fp_regs[16];
 	unsigned long xfp_regs[16];
 	unsigned long fpscr;
 	unsigned long fpul;
 };
-#endif
 
 struct user {
 	struct pt_regs	regs;			/* entire machine state */
diff --git a/arch/sh/include/asm/vmlinux.lds.h b/arch/sh/include/asm/vmlinux.lds.h
index 992955685874..8d96c4f9b35b 100644
--- a/arch/sh/include/asm/vmlinux.lds.h
+++ b/arch/sh/include/asm/vmlinux.lds.h
@@ -15,12 +15,4 @@
 #define DWARF_EH_FRAME
 #endif
 
-#ifdef CONFIG_SUPERH64
-#define EXTRA_TEXT		\
-	*(.text64)		\
-	*(.text..SHmedia32)
-#else
-#define EXTRA_TEXT
-#endif
-
 #endif /* __ASM_SH_VMLINUX_LDS_H */
diff --git a/arch/sh/include/cpu-sh5/cpu/addrspace.h b/arch/sh/include/cpu-sh5/cpu/addrspace.h
deleted file mode 100644
index 6dd1e72f31b2..000000000000
diff --git a/arch/sh/include/cpu-sh5/cpu/cache.h b/arch/sh/include/cpu-sh5/cpu/cache.h
deleted file mode 100644
index ef49538f386f..000000000000
diff --git a/arch/sh/include/cpu-sh5/cpu/irq.h b/arch/sh/include/cpu-sh5/cpu/irq.h
deleted file mode 100644
index 4aa6ac54b9d6..000000000000
diff --git a/arch/sh/include/cpu-sh5/cpu/mmu_context.h b/arch/sh/include/cpu-sh5/cpu/mmu_context.h
deleted file mode 100644
index 23c53be945b7..000000000000
diff --git a/arch/sh/include/cpu-sh5/cpu/registers.h b/arch/sh/include/cpu-sh5/cpu/registers.h
deleted file mode 100644
index 372c1e1978b3..000000000000
diff --git a/arch/sh/include/cpu-sh5/cpu/rtc.h b/arch/sh/include/cpu-sh5/cpu/rtc.h
deleted file mode 100644
index d7e25d435f4a..000000000000
diff --git a/arch/sh/include/uapi/asm/posix_types.h b/arch/sh/include/uapi/asm/posix_types.h
index 2644fdd444e6..adc998a64c76 100644
--- a/arch/sh/include/uapi/asm/posix_types.h
+++ b/arch/sh/include/uapi/asm/posix_types.h
@@ -1,8 +1,2 @@
 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#ifndef __KERNEL__
-# ifdef __SH5__
-#  include <asm/posix_types_64.h>
-# else
-#  include <asm/posix_types_32.h>
-# endif
-#endif /* __KERNEL__ */
+#include <asm/posix_types_32.h>
diff --git a/arch/sh/include/uapi/asm/posix_types_64.h b/arch/sh/include/uapi/asm/posix_types_64.h
deleted file mode 100644
index 3a9128d4aee3..000000000000
diff --git a/arch/sh/include/uapi/asm/ptrace.h b/arch/sh/include/uapi/asm/ptrace.h
index 4ec9c2b65fdb..5c88e46b7773 100644
--- a/arch/sh/include/uapi/asm/ptrace.h
+++ b/arch/sh/include/uapi/asm/ptrace.h
@@ -25,11 +25,6 @@
 #define PT_DATA_ADDR		248	/* &(struct user)->start_data */
 #define PT_TEXT_LEN		252
 
-#if defined(__SH5__) || defined(CONFIG_CPU_SH5)
-#include <asm/ptrace_64.h>
-#else
 #include <asm/ptrace_32.h>
-#endif
-
 
 #endif /* _UAPI__ASM_SH_PTRACE_H */
diff --git a/arch/sh/include/uapi/asm/ptrace_64.h b/arch/sh/include/uapi/asm/ptrace_64.h
deleted file mode 100644
index a6f84eba5277..000000000000
diff --git a/arch/sh/include/uapi/asm/sigcontext.h b/arch/sh/include/uapi/asm/sigcontext.h
index d2b7e4f033c0..a9cc8bad0f36 100644
--- a/arch/sh/include/uapi/asm/sigcontext.h
+++ b/arch/sh/include/uapi/asm/sigcontext.h
@@ -5,18 +5,6 @@
 struct sigcontext {
 	unsigned long	oldmask;
 
-#if defined(__SH5__) || defined(CONFIG_CPU_SH5)
-	/* CPU registers */
-	unsigned long long sc_regs[63];
-	unsigned long long sc_tregs[8];
-	unsigned long long sc_pc;
-	unsigned long long sc_sr;
-
-	/* FPU registers */
-	unsigned long long sc_fpregs[32];
-	unsigned int sc_fpscr;
-	unsigned int sc_fpvalid;
-#else
 	/* CPU registers */
 	unsigned long sc_regs[16];
 	unsigned long sc_pc;
@@ -32,7 +20,6 @@ struct sigcontext {
 	unsigned int sc_fpscr;
 	unsigned int sc_fpul;
 	unsigned int sc_ownedfp;
-#endif
 };
 
 #endif /* __ASM_SH_SIGCONTEXT_H */
diff --git a/arch/sh/include/uapi/asm/stat.h b/arch/sh/include/uapi/asm/stat.h
index 659b87c7c25a..b0ca755ea08d 100644
--- a/arch/sh/include/uapi/asm/stat.h
+++ b/arch/sh/include/uapi/asm/stat.h
@@ -16,66 +16,6 @@ struct __old_kernel_stat {
 	unsigned long  st_ctime;
 };
 
-#if defined(__SH5__) || defined(CONFIG_CPU_SH5)
-struct stat {
-	unsigned short st_dev;
-	unsigned short __pad1;
-	unsigned long st_ino;
-	unsigned short st_mode;
-	unsigned short st_nlink;
-	unsigned short st_uid;
-	unsigned short st_gid;
-	unsigned short st_rdev;
-	unsigned short __pad2;
-	unsigned long  st_size;
-	unsigned long  st_blksize;
-	unsigned long  st_blocks;
-	unsigned long  st_atime;
-	unsigned long  st_atime_nsec;
-	unsigned long  st_mtime;
-	unsigned long  st_mtime_nsec;
-	unsigned long  st_ctime;
-	unsigned long  st_ctime_nsec;
-	unsigned long  __unused4;
-	unsigned long  __unused5;
-};
-
-/* This matches struct stat64 in glibc2.1, hence the absolutely
- * insane amounts of padding around dev_t's.
- */
-struct stat64 {
-	unsigned short	st_dev;
-	unsigned char	__pad0[10];
-
-	unsigned long	st_ino;
-	unsigned int	st_mode;
-	unsigned int	st_nlink;
-
-	unsigned long	st_uid;
-	unsigned long	st_gid;
-
-	unsigned short	st_rdev;
-	unsigned char	__pad3[10];
-
-	long long	st_size;
-	unsigned long	st_blksize;
-
-	unsigned long	st_blocks;	/* Number 512-byte blocks allocated. */
-	unsigned long	__pad4;		/* future possible st_blocks high bits */
-
-	unsigned long	st_atime;
-	unsigned long	st_atime_nsec;
-
-	unsigned long	st_mtime;
-	unsigned long	st_mtime_nsec;
-
-	unsigned long	st_ctime;
-	unsigned long	st_ctime_nsec;	/* will be high 32 bits of ctime someday */
-
-	unsigned long	__unused1;
-	unsigned long	__unused2;
-};
-#else
 struct stat {
 	unsigned long  st_dev;
 	unsigned long  st_ino;
@@ -134,6 +74,5 @@ struct stat64 {
 };
 
 #define STAT_HAVE_NSEC 1
-#endif
 
 #endif /* __ASM_SH_STAT_H */
diff --git a/arch/sh/include/uapi/asm/swab.h b/arch/sh/include/uapi/asm/swab.h
index f0b02152745c..c727d381a30a 100644
--- a/arch/sh/include/uapi/asm/swab.h
+++ b/arch/sh/include/uapi/asm/swab.h
@@ -13,14 +13,9 @@
 static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
 {
 	__asm__(
-#ifdef __SH5__
-		"byterev	%1, %0\n\t"
-		"shari		%0, 32, %0"
-#else
 		"swap.b		%1, %0\n\t"
 		"swap.w		%0, %0\n\t"
 		"swap.b		%0, %0"
-#endif
 		: "=r" (x)
 		: "r" (x));
 
@@ -31,12 +26,7 @@ static inline __attribute_const__ __u32 __arch_swab32(__u32 x)
 static inline __attribute_const__ __u16 __arch_swab16(__u16 x)
 {
 	__asm__(
-#ifdef __SH5__
-		"byterev	%1, %0\n\t"
-		"shari		%0, 32, %0"
-#else
 		"swap.b		%1, %0"
-#endif
 		: "=r" (x)
 		:  "r" (x));
 
diff --git a/arch/sh/include/uapi/asm/unistd.h b/arch/sh/include/uapi/asm/unistd.h
index 9e0b4e5e6da2..0f7c7772a2fb 100644
--- a/arch/sh/include/uapi/asm/unistd.h
+++ b/arch/sh/include/uapi/asm/unistd.h
@@ -1,8 +1,2 @@
 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
-#ifndef __KERNEL__
-# ifdef __SH5__
-#  include <asm/unistd_64.h>
-# else
-#  include <asm/unistd_32.h>
-# endif
-#endif
+#include <asm/unistd_32.h>
diff --git a/arch/sh/include/uapi/asm/unistd_64.h b/arch/sh/include/uapi/asm/unistd_64.h
deleted file mode 100644
index 75da54851f02..000000000000
diff --git a/arch/sh/kernel/Makefile b/arch/sh/kernel/Makefile
index 59673f8a3379..b0f5574b6228 100644
--- a/arch/sh/kernel/Makefile
+++ b/arch/sh/kernel/Makefile
@@ -3,7 +3,7 @@
 # Makefile for the Linux/SuperH kernel.
 #
 
-extra-y	:= head_$(BITS).o vmlinux.lds
+extra-y	:= head_32.o vmlinux.lds
 
 ifdef CONFIG_FUNCTION_TRACER
 # Do not profile debug and lowlevel utilities
@@ -13,26 +13,26 @@ endif
 CFLAGS_REMOVE_return_address.o = -pg
 
 obj-y	:= debugtraps.o dumpstack.o 		\
-	   idle.o io.o irq.o irq_$(BITS).o kdebugfs.o			\
+	   idle.o io.o irq.o irq_32.o kdebugfs.o			\
 	   machvec.o nmi_debug.o process.o				\
-	   process_$(BITS).o ptrace.o ptrace_$(BITS).o			\
+	   process_32.o ptrace.o ptrace_32.o				\
 	   reboot.o return_address.o					\
-	   setup.o signal_$(BITS).o sys_sh.o 				\
-	   syscalls_$(BITS).o time.o topology.o traps.o			\
-	   traps_$(BITS).o unwinder.o
+	   setup.o signal_32.o sys_sh.o 				\
+	   syscalls_32.o time.o topology.o traps.o			\
+	   traps_32.o unwinder.o
 
 ifndef CONFIG_GENERIC_IOMAP
 obj-y				+= iomap.o
 obj-$(CONFIG_HAS_IOPORT_MAP)	+= ioport.o
 endif
 
-obj-$(CONFIG_SUPERH32)		+= sys_sh32.o
+obj-y				+= sys_sh32.o
 obj-y				+= cpu/
 obj-$(CONFIG_VSYSCALL)		+= vsyscall/
 obj-$(CONFIG_SMP)		+= smp.o
 obj-$(CONFIG_SH_STANDARD_BIOS)	+= sh_bios.o
 obj-$(CONFIG_KGDB)		+= kgdb.o
-obj-$(CONFIG_MODULES)		+= sh_ksyms_$(BITS).o module.o
+obj-$(CONFIG_MODULES)		+= sh_ksyms_32.o module.o
 obj-$(CONFIG_KEXEC)		+= machine_kexec.o relocate_kernel.o
 obj-$(CONFIG_CRASH_DUMP)	+= crash_dump.o
 obj-$(CONFIG_STACKTRACE)	+= stacktrace.o
diff --git a/arch/sh/kernel/cpu/Makefile b/arch/sh/kernel/cpu/Makefile
index f7c22ea98b0f..46118236bf04 100644
--- a/arch/sh/kernel/cpu/Makefile
+++ b/arch/sh/kernel/cpu/Makefile
@@ -7,7 +7,6 @@ obj-$(CONFIG_CPU_SH2)		= sh2/
 obj-$(CONFIG_CPU_SH2A)		= sh2a/
 obj-$(CONFIG_CPU_SH3)		= sh3/
 obj-$(CONFIG_CPU_SH4)		= sh4/
-obj-$(CONFIG_CPU_SH5)		= sh5/
 
 # Special cases for family ancestry.
 
diff --git a/arch/sh/kernel/cpu/init.c b/arch/sh/kernel/cpu/init.c
index ce7291e12a30..1d008745877f 100644
--- a/arch/sh/kernel/cpu/init.c
+++ b/arch/sh/kernel/cpu/init.c
@@ -103,7 +103,7 @@ void __attribute__ ((weak)) l2_cache_init(void)
 /*
  * Generic first-level cache init
  */
-#if defined(CONFIG_SUPERH32) && !defined(CONFIG_CPU_J2)
+#if !defined(CONFIG_CPU_J2)
 static void cache_init(void)
 {
 	unsigned long ccr, flags;
diff --git a/arch/sh/kernel/cpu/irq/Makefile b/arch/sh/kernel/cpu/irq/Makefile
index 8b91cb96411b..e4578cde46ba 100644
--- a/arch/sh/kernel/cpu/irq/Makefile
+++ b/arch/sh/kernel/cpu/irq/Makefile
@@ -2,6 +2,5 @@
 #
 # Makefile for the Linux/SuperH CPU-specific IRQ handlers.
 #
-obj-$(CONFIG_SUPERH32)			+= imask.o
-obj-$(CONFIG_CPU_SH5)			+= intc-sh5.o
+obj-y					+= imask.o
 obj-$(CONFIG_CPU_HAS_IPR_IRQ)		+= ipr.o
diff --git a/arch/sh/kernel/cpu/irq/intc-sh5.c b/arch/sh/kernel/cpu/irq/intc-sh5.c
deleted file mode 100644
index 1b3050facda8..000000000000
diff --git a/arch/sh/kernel/cpu/proc.c b/arch/sh/kernel/cpu/proc.c
index 85961b4f9c69..a306bcd6b341 100644
--- a/arch/sh/kernel/cpu/proc.c
+++ b/arch/sh/kernel/cpu/proc.c
@@ -24,7 +24,6 @@ static const char *cpu_name[] = {
 	[CPU_SH7343]	= "SH7343",	[CPU_SH7785]	= "SH7785",
 	[CPU_SH7786]	= "SH7786",	[CPU_SH7757]	= "SH7757",
 	[CPU_SH7722]	= "SH7722",	[CPU_SHX3]	= "SH-X3",
-	[CPU_SH5_101]	= "SH5-101",	[CPU_SH5_103]	= "SH5-103",
 	[CPU_MXG]	= "MX-G",	[CPU_SH7723]	= "SH7723",
 	[CPU_SH7366]	= "SH7366",	[CPU_SH7724]	= "SH7724",
 	[CPU_SH7372]	= "SH7372",	[CPU_SH7734]	= "SH7734",
diff --git a/arch/sh/kernel/cpu/sh5/Makefile b/arch/sh/kernel/cpu/sh5/Makefile
deleted file mode 100644
index 97d23ec3005f..000000000000
diff --git a/arch/sh/kernel/cpu/sh5/clock-sh5.c b/arch/sh/kernel/cpu/sh5/clock-sh5.c
deleted file mode 100644
index dee6be2c2344..000000000000
diff --git a/arch/sh/kernel/cpu/sh5/entry.S b/arch/sh/kernel/cpu/sh5/entry.S
deleted file mode 100644
index 81c8b64b977f..000000000000
diff --git a/arch/sh/kernel/cpu/sh5/fpu.c b/arch/sh/kernel/cpu/sh5/fpu.c
deleted file mode 100644
index 3966b5ee8e93..000000000000
diff --git a/arch/sh/kernel/cpu/sh5/probe.c b/arch/sh/kernel/cpu/sh5/probe.c
deleted file mode 100644
index 947250188065..000000000000
diff --git a/arch/sh/kernel/cpu/sh5/setup-sh5.c b/arch/sh/kernel/cpu/sh5/setup-sh5.c
deleted file mode 100644
index dc8476d67244..000000000000
diff --git a/arch/sh/kernel/cpu/sh5/switchto.S b/arch/sh/kernel/cpu/sh5/switchto.S
deleted file mode 100644
index d1beff755632..000000000000
diff --git a/arch/sh/kernel/cpu/sh5/unwind.c b/arch/sh/kernel/cpu/sh5/unwind.c
deleted file mode 100644
index 3cb0cd9cea29..000000000000
diff --git a/arch/sh/kernel/head_64.S b/arch/sh/kernel/head_64.S
deleted file mode 100644
index 67685e1f00e1..000000000000
diff --git a/arch/sh/kernel/irq_64.c b/arch/sh/kernel/irq_64.c
deleted file mode 100644
index 7a1f50435e33..000000000000
diff --git a/arch/sh/kernel/module.c b/arch/sh/kernel/module.c
index bbc78d1d618e..b9cee98a754e 100644
--- a/arch/sh/kernel/module.c
+++ b/arch/sh/kernel/module.c
@@ -46,15 +46,6 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
 			+ ELF32_R_SYM(rel[i].r_info);
 		relocation = sym->st_value + rel[i].r_addend;
 
-#ifdef CONFIG_SUPERH64
-		/* For text addresses, bit2 of the st_other field indicates
-		 * whether the symbol is SHmedia (1) or SHcompact (0).  If
-		 * SHmedia, the LSB of the symbol needs to be asserted
-		 * for the CPU to be in SHmedia mode when it starts executing
-		 * the branch target. */
-		relocation |= !!(sym->st_other & 4);
-#endif
-
 		switch (ELF32_R_TYPE(rel[i].r_info)) {
 		case R_SH_NONE:
 			break;
diff --git a/arch/sh/kernel/process.c b/arch/sh/kernel/process.c
index 4d1bfc848dd3..169832fcf21b 100644
--- a/arch/sh/kernel/process.c
+++ b/arch/sh/kernel/process.c
@@ -23,9 +23,7 @@ EXPORT_SYMBOL(__stack_chk_guard);
  */
 int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src)
 {
-#ifdef CONFIG_SUPERH32
 	unlazy_fpu(src, task_pt_regs(src));
-#endif
 	*dst = *src;
 
 	if (src->thread.xstate) {
diff --git a/arch/sh/kernel/process_64.c b/arch/sh/kernel/process_64.c
deleted file mode 100644
index c2844a2e18cd..000000000000
diff --git a/arch/sh/kernel/ptrace_64.c b/arch/sh/kernel/ptrace_64.c
deleted file mode 100644
index 11085e48eaa6..000000000000
diff --git a/arch/sh/kernel/reboot.c b/arch/sh/kernel/reboot.c
index 11001a8a5fe0..5c33f036418b 100644
--- a/arch/sh/kernel/reboot.c
+++ b/arch/sh/kernel/reboot.c
@@ -4,9 +4,7 @@
 #include <linux/kernel.h>
 #include <linux/reboot.h>
 #include <linux/module.h>
-#ifdef CONFIG_SUPERH32
 #include <asm/watchdog.h>
-#endif
 #include <asm/addrspace.h>
 #include <asm/reboot.h>
 #include <asm/tlbflush.h>
@@ -15,13 +13,11 @@
 void (*pm_power_off)(void);
 EXPORT_SYMBOL(pm_power_off);
 
-#ifdef CONFIG_SUPERH32
 static void watchdog_trigger_immediate(void)
 {
 	sh_wdt_write_cnt(0xFF);
 	sh_wdt_write_csr(0xC2);
 }
-#endif
 
 static void native_machine_restart(char * __unused)
 {
@@ -33,10 +29,8 @@ static void native_machine_restart(char * __unused)
 	/* Address error with SR.BL=1 first. */
 	trigger_address_error();
 
-#ifdef CONFIG_SUPERH32
 	/* If that fails or is unsupported, go for the watchdog next. */
 	watchdog_trigger_immediate();
-#endif
 
 	/*
 	 * Give up and sleep.
diff --git a/arch/sh/kernel/sh_ksyms_64.c b/arch/sh/kernel/sh_ksyms_64.c
deleted file mode 100644
index 9de17065afb4..000000000000
diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c
deleted file mode 100644
index b9aaa9266b34..000000000000
diff --git a/arch/sh/kernel/syscalls_64.S b/arch/sh/kernel/syscalls_64.S
deleted file mode 100644
index 1bcb86f0b728..000000000000
diff --git a/arch/sh/kernel/traps_64.c b/arch/sh/kernel/traps_64.c
deleted file mode 100644
index 37046f3a26d3..000000000000
diff --git a/arch/sh/kernel/vmlinux.lds.S b/arch/sh/kernel/vmlinux.lds.S
index c60b19958c35..bde7a6c01aaf 100644
--- a/arch/sh/kernel/vmlinux.lds.S
+++ b/arch/sh/kernel/vmlinux.lds.S
@@ -3,14 +3,7 @@
  * ld script to make SuperH Linux kernel
  * Written by Niibe Yutaka and Paul Mundt
  */
-#ifdef CONFIG_SUPERH64
-#define LOAD_OFFSET	PAGE_OFFSET
-OUTPUT_ARCH(sh:sh5)
-#else
-#define LOAD_OFFSET	0
 OUTPUT_ARCH(sh)
-#endif
-
 #include <asm/thread_info.h>
 #include <asm/cache.h>
 #include <asm/vmlinux.lds.h>
@@ -28,14 +21,13 @@ SECTIONS
 
 	_text = .;		/* Text and read-only data */
 
-	.empty_zero_page : AT(ADDR(.empty_zero_page) - LOAD_OFFSET) {
+	.empty_zero_page : AT(ADDR(.empty_zero_page)) {
 		*(.empty_zero_page)
 	} = 0
 
-	.text : AT(ADDR(.text) - LOAD_OFFSET) {
+	.text : AT(ADDR(.text)) {
 		HEAD_TEXT
 		TEXT_TEXT
-		EXTRA_TEXT
 		SCHED_TEXT
 		CPUIDLE_TEXT
 		LOCK_TEXT
@@ -62,7 +54,7 @@ SECTIONS
 	INIT_DATA_SECTION(16)
 
 	. = ALIGN(4);
-	.machvec.init : AT(ADDR(.machvec.init) - LOAD_OFFSET) {
+	.machvec.init : AT(ADDR(.machvec.init)) {
 		__machvec_start = .;
 		*(.machvec.init)
 		__machvec_end = .;
@@ -74,8 +66,8 @@ SECTIONS
 	 * .exit.text is discarded at runtime, not link time, to deal with
 	 * references from __bug_table
 	 */
-	.exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { EXIT_TEXT }
-	.exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { EXIT_DATA }
+	.exit.text : AT(ADDR(.exit.text)) { EXIT_TEXT }
+	.exit.data : AT(ADDR(.exit.data)) { EXIT_DATA }
 
 	. = ALIGN(PAGE_SIZE);
 	__init_end = .;
diff --git a/arch/sh/lib64/Makefile b/arch/sh/lib64/Makefile
deleted file mode 100644
index 69779ff741df..000000000000
diff --git a/arch/sh/lib64/copy_page.S b/arch/sh/lib64/copy_page.S
deleted file mode 100644
index 0ec6fca63b56..000000000000
diff --git a/arch/sh/lib64/copy_user_memcpy.S b/arch/sh/lib64/copy_user_memcpy.S
deleted file mode 100644
index 515f81b00202..000000000000
diff --git a/arch/sh/lib64/memcpy.S b/arch/sh/lib64/memcpy.S
deleted file mode 100644
index 231ea595b39a..000000000000
diff --git a/arch/sh/lib64/memset.S b/arch/sh/lib64/memset.S
deleted file mode 100644
index 453aa5f1d263..000000000000
diff --git a/arch/sh/lib64/panic.c b/arch/sh/lib64/panic.c
deleted file mode 100644
index 38c954e04f6a..000000000000
diff --git a/arch/sh/lib64/sdivsi3.S b/arch/sh/lib64/sdivsi3.S
deleted file mode 100644
index b422e2374430..000000000000
diff --git a/arch/sh/lib64/strcpy.S b/arch/sh/lib64/strcpy.S
deleted file mode 100644
index b61631e523d4..000000000000
diff --git a/arch/sh/lib64/strlen.S b/arch/sh/lib64/strlen.S
deleted file mode 100644
index c00b972f9999..000000000000
diff --git a/arch/sh/lib64/udelay.c b/arch/sh/lib64/udelay.c
deleted file mode 100644
index f215b063da70..000000000000
diff --git a/arch/sh/lib64/udivdi3.S b/arch/sh/lib64/udivdi3.S
deleted file mode 100644
index c032cb157589..000000000000
diff --git a/arch/sh/lib64/udivsi3.S b/arch/sh/lib64/udivsi3.S
deleted file mode 100644
index e4788fb4fe82..000000000000
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index 5c8a2ebfc720..6c39d24ad919 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -15,8 +15,7 @@ config MMU
 
 config PAGE_OFFSET
 	hex
-	default "0x80000000" if MMU && SUPERH32
-	default "0x20000000" if MMU && SUPERH64
+	default "0x80000000" if MMU
 	default "0x00000000"
 
 config FORCE_MAX_ZONEORDER
@@ -72,12 +71,11 @@ config MEMORY_SIZE
 
 config 29BIT
 	def_bool !32BIT
-	depends on SUPERH32
 	select UNCACHED_MAPPING
 
 config 32BIT
 	bool
-	default y if CPU_SH5 || !MMU
+	default !MMU
 
 config PMB
 	bool "Support 32-bit physical addressing through PMB"
@@ -152,7 +150,7 @@ config ARCH_MEMORY_PROBE
 
 config IOREMAP_FIXED
        def_bool y
-       depends on X2TLB || SUPERH64
+       depends on X2TLB
 
 config UNCACHED_MAPPING
 	bool
@@ -184,7 +182,7 @@ config PAGE_SIZE_16KB
 
 config PAGE_SIZE_64KB
 	bool "64kB"
-	depends on !MMU || CPU_SH4 || CPU_SH5
+	depends on !MMU || CPU_SH4
 	help
 	  This enables support for 64kB pages, possible on all SH-4
 	  CPUs and later.
@@ -216,10 +214,6 @@ config HUGETLB_PAGE_SIZE_64MB
 	bool "64MB"
 	depends on X2TLB
 
-config HUGETLB_PAGE_SIZE_512MB
-	bool "512MB"
-	depends on CPU_SH5
-
 endchoice
 
 config SCHED_MC
@@ -242,7 +236,7 @@ config SH7705_CACHE_32KB
 
 choice
 	prompt "Cache mode"
-	default CACHE_WRITEBACK if CPU_SH2A || CPU_SH3 || CPU_SH4 || CPU_SH5
+	default CACHE_WRITEBACK if CPU_SH2A || CPU_SH3 || CPU_SH4
 	default CACHE_WRITETHROUGH if (CPU_SH2 && !CPU_SH2A)
 
 config CACHE_WRITEBACK
diff --git a/arch/sh/mm/Makefile b/arch/sh/mm/Makefile
index 5051b38fd5b6..487da0ff03b3 100644
--- a/arch/sh/mm/Makefile
+++ b/arch/sh/mm/Makefile
@@ -10,15 +10,14 @@ cacheops-$(CONFIG_CPU_SUBTYPE_SH7619)	:= cache-sh2.o
 cacheops-$(CONFIG_CPU_SH2A)		:= cache-sh2a.o
 cacheops-$(CONFIG_CPU_SH3)		:= cache-sh3.o
 cacheops-$(CONFIG_CPU_SH4)		:= cache-sh4.o flush-sh4.o
-cacheops-$(CONFIG_CPU_SH5)		:= cache-sh5.o flush-sh4.o
 cacheops-$(CONFIG_SH7705_CACHE_32KB)	+= cache-sh7705.o
 cacheops-$(CONFIG_CPU_SHX3)		+= cache-shx3.o
 
 obj-y			+= $(cacheops-y)
 
 mmu-y			:= nommu.o extable_32.o
-mmu-$(CONFIG_MMU)	:= extable_$(BITS).o fault.o ioremap.o kmap.o \
-			   pgtable.o tlbex_$(BITS).o tlbflush_$(BITS).o
+mmu-$(CONFIG_MMU)	:= extable_32.o fault.o ioremap.o kmap.o \
+			   pgtable.o tlbex_32.o tlbflush_32.o
 
 obj-y			+= $(mmu-y)
 
@@ -31,7 +30,6 @@ ifdef CONFIG_MMU
 debugfs-$(CONFIG_CPU_SH4)	+= tlb-debugfs.o
 tlb-$(CONFIG_CPU_SH3)		:= tlb-sh3.o
 tlb-$(CONFIG_CPU_SH4)		:= tlb-sh4.o tlb-urb.o
-tlb-$(CONFIG_CPU_SH5)		:= tlb-sh5.o
 tlb-$(CONFIG_CPU_HAS_PTEAEX)	:= tlb-pteaex.o tlb-urb.o
 obj-y				+= $(tlb-y)
 endif
@@ -46,29 +44,4 @@ obj-$(CONFIG_HAVE_SRAM_POOL)	+= sram.o
 
 GCOV_PROFILE_pmb.o := n
 
-# Special flags for tlbex_64.o.  This puts restrictions on the number of
-# caller-save registers that the compiler can target when building this file.
-# This is required because the code is called from a context in entry.S where
-# very few registers have been saved in the exception handler (for speed
-# reasons).
-# The caller save registers that have been saved and which can be used are
-# r2,r3,r4,r5 : argument passing
-# r15, r18 : SP and LINK
-# tr0-4 : allow all caller-save TR's.  The compiler seems to be able to make
-#         use of them, so it's probably beneficial to performance to save them
-#         and have them available for it.
-#
-# The resources not listed below are callee save, i.e. the compiler is free to
-# use any of them and will spill them to the stack itself.
-
-CFLAGS_tlbex_64.o += -ffixed-r7 \
-	-ffixed-r8 -ffixed-r9 -ffixed-r10 -ffixed-r11 -ffixed-r12 \
-	-ffixed-r13 -ffixed-r14 -ffixed-r16 -ffixed-r17 -ffixed-r19 \
-	-ffixed-r20 -ffixed-r21 -ffixed-r22 -ffixed-r23 \
-	-ffixed-r24 -ffixed-r25 -ffixed-r26 -ffixed-r27 \
-	-ffixed-r36 -ffixed-r37 -ffixed-r38 -ffixed-r39 -ffixed-r40 \
-	-ffixed-r41 -ffixed-r42 -ffixed-r43  \
-	-ffixed-r60 -ffixed-r61 -ffixed-r62 \
-	-fomit-frame-pointer
-
 ccflags-y := -Werror
diff --git a/arch/sh/mm/cache-sh5.c b/arch/sh/mm/cache-sh5.c
deleted file mode 100644
index 445b5e69b73c..000000000000
diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c
index 464f160a9576..3aef78ceb820 100644
--- a/arch/sh/mm/cache.c
+++ b/arch/sh/mm/cache.c
@@ -355,12 +355,6 @@ void __init cpu_cache_init(void)
 		}
 	}
 
-	if (boot_cpu_data.family == CPU_FAMILY_SH5) {
-		extern void __weak sh5_cache_init(void);
-
-		sh5_cache_init();
-	}
-
 skip:
 	emit_cache_params();
 }
diff --git a/arch/sh/mm/extable_64.c b/arch/sh/mm/extable_64.c
deleted file mode 100644
index 7a3b4d33d2e7..000000000000
diff --git a/arch/sh/mm/tlb-sh5.c b/arch/sh/mm/tlb-sh5.c
deleted file mode 100644
index e4bb2a8e0a69..000000000000
diff --git a/arch/sh/mm/tlbex_64.c b/arch/sh/mm/tlbex_64.c
deleted file mode 100644
index 8ff966dd0c74..000000000000
diff --git a/arch/sh/mm/tlbflush_64.c b/arch/sh/mm/tlbflush_64.c
deleted file mode 100644
index bd0715d5dca4..000000000000
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index ec873f09c763..527957d9c6ce 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -1516,7 +1516,7 @@ config RTC_DRV_GENERIC
 	tristate "Generic RTC support"
 	# Please consider writing a new RTC driver instead of using the generic
 	# RTC abstraction
-	depends on PARISC || M68K || PPC || SUPERH32 || COMPILE_TEST
+	depends on PARISC || M68K || PPC || SUPERH || COMPILE_TEST
 	help
 	  Say Y or M here to enable RTC support on systems using the generic
 	  RTC abstraction. If you do not know what you are doing, you should
diff --git a/fs/Kconfig.binfmt b/fs/Kconfig.binfmt
index 62dc4f577ba1..fb6efe5210e2 100644
--- a/fs/Kconfig.binfmt
+++ b/fs/Kconfig.binfmt
@@ -39,7 +39,7 @@ config ARCH_BINFMT_ELF_STATE
 config BINFMT_ELF_FDPIC
 	bool "Kernel support for FDPIC ELF binaries"
 	default y if !BINFMT_ELF
-	depends on (ARM || (SUPERH32 && !MMU) || C6X)
+	depends on (ARM || (SUPERH && !MMU) || C6X)
 	select ELFCORE
 	help
 	  ELF FDPIC binaries are based on ELF, but allow the individual load
diff --git a/scripts/headers_install.sh b/scripts/headers_install.sh
index a07668a5c36b..720f2e6b176a 100755
--- a/scripts/headers_install.sh
+++ b/scripts/headers_install.sh
@@ -81,9 +81,6 @@ arch/ia64/include/uapi/asm/cmpxchg.h:CONFIG_IA64_DEBUG_CMPXCHG
 arch/m68k/include/uapi/asm/ptrace.h:CONFIG_COLDFIRE
 arch/nios2/include/uapi/asm/swab.h:CONFIG_NIOS2_CI_SWAB_NO
 arch/nios2/include/uapi/asm/swab.h:CONFIG_NIOS2_CI_SWAB_SUPPORT
-arch/sh/include/uapi/asm/ptrace.h:CONFIG_CPU_SH5
-arch/sh/include/uapi/asm/sigcontext.h:CONFIG_CPU_SH5
-arch/sh/include/uapi/asm/stat.h:CONFIG_CPU_SH5
 arch/x86/include/uapi/asm/auxvec.h:CONFIG_IA32_EMULATION
 arch/x86/include/uapi/asm/auxvec.h:CONFIG_X86_64
 arch/x86/include/uapi/asm/mman.h:CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS
diff --git a/tools/arch/sh/include/asm/barrier.h b/tools/arch/sh/include/asm/barrier.h
index bde5221af282..7eaea27cdd67 100644
--- a/tools/arch/sh/include/asm/barrier.h
+++ b/tools/arch/sh/include/asm/barrier.h
@@ -22,7 +22,7 @@
  * Historically we have only done this type of barrier for the MMUCR, but
  * it's also necessary for the CCR, so we make it generic here instead.
  */
-#if defined(__SH4A__) || defined(__SH5__)
+#if defined(__SH4A__)
 #define mb()		__asm__ __volatile__ ("synco": : :"memory")
 #define rmb()		mb()
 #define wmb()		mb()
