diff --git a/arch/ia64/configs/generic_defconfig b/arch/ia64/configs/generic_defconfig
index efbd2929aeb7..f4a0daa556eb 100644
--- a/arch/ia64/configs/generic_defconfig
+++ b/arch/ia64/configs/generic_defconfig
@@ -25,7 +25,6 @@ CONFIG_KEXEC=y
 CONFIG_CRASH_DUMP=y
 CONFIG_EFI_VARS=y
 CONFIG_BINFMT_MISC=m
-CONFIG_ACPI_PROCFS=y
 CONFIG_ACPI_BUTTON=m
 CONFIG_ACPI_FAN=m
 CONFIG_ACPI_DOCK=y
diff --git a/arch/ia64/configs/tiger_defconfig b/arch/ia64/configs/tiger_defconfig
index 0f4e9e41f130..0fed9ae5a42a 100644
--- a/arch/ia64/configs/tiger_defconfig
+++ b/arch/ia64/configs/tiger_defconfig
@@ -26,7 +26,6 @@ CONFIG_IA64_PALINFO=y
 CONFIG_KEXEC=y
 CONFIG_EFI_VARS=y
 CONFIG_BINFMT_MISC=m
-CONFIG_ACPI_PROCFS=y
 CONFIG_ACPI_BUTTON=m
 CONFIG_ACPI_FAN=m
 CONFIG_ACPI_PROCESSOR=m
diff --git a/arch/ia64/configs/zx1_defconfig b/arch/ia64/configs/zx1_defconfig
index fc7aba07c2b4..54bc72eda30d 100644
--- a/arch/ia64/configs/zx1_defconfig
+++ b/arch/ia64/configs/zx1_defconfig
@@ -16,7 +16,6 @@ CONFIG_IA64_PALINFO=y
 CONFIG_CRASH_DUMP=y
 CONFIG_EFI_VARS=y
 CONFIG_BINFMT_MISC=y
-CONFIG_ACPI_PROCFS=y
 CONFIG_HOTPLUG_PCI=y
 CONFIG_HOTPLUG_PCI_ACPI=y
 CONFIG_PACKET=y
diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defconfig
index a7fef2621cc9..619e7f7426c6 100644
--- a/arch/x86/configs/i386_defconfig
+++ b/arch/x86/configs/i386_defconfig
@@ -60,7 +60,6 @@ CONFIG_CRASH_DUMP=y
 CONFIG_HIBERNATION=y
 CONFIG_PM_DEBUG=y
 CONFIG_PM_TRACE_RTC=y
-CONFIG_ACPI_PROCFS=y
 CONFIG_ACPI_DOCK=y
 CONFIG_CPU_FREQ=y
 # CONFIG_CPU_FREQ_STAT is not set
diff --git a/arch/x86/configs/x86_64_defconfig b/arch/x86/configs/x86_64_defconfig
index c1119d4c1281..6181c69b786b 100644
--- a/arch/x86/configs/x86_64_defconfig
+++ b/arch/x86/configs/x86_64_defconfig
@@ -58,7 +58,6 @@ CONFIG_CRASH_DUMP=y
 CONFIG_HIBERNATION=y
 CONFIG_PM_DEBUG=y
 CONFIG_PM_TRACE_RTC=y
-CONFIG_ACPI_PROCFS=y
 CONFIG_ACPI_DOCK=y
 CONFIG_CPU_FREQ=y
 # CONFIG_CPU_FREQ_STAT is not set
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 9fd6a7a124c0..f60f11d7e489 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -43,19 +43,6 @@ config ACPI_SLEEP
 	depends on SUSPEND || HIBERNATION
 	default y
 
-config ACPI_PROCFS
-	bool "Deprecated /proc/acpi files"
-	depends on PROC_FS
-	help
-	  For backwards compatibility, this option allows
-	  deprecated /proc/acpi/ files to exist, even when
-	  they have been replaced by functions in /sys.
-
-	  This option has no effect on /proc/acpi/ files
-	  and functions which do not yet exist in /sys.
-
-	  Say N to delete /proc/acpi/ files that have moved to /sys/
-
 config ACPI_EC_DEBUGFS
 	tristate "EC read/write access through /sys/kernel/debug/ec"
 	default n