diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig
index bad27a6ff407bfcce2aecbac934278eabe9c194f..c5e69abb4889f8956f1e4cd13466f3aaf34e94b4 100644
--- a/arch/frv/Kconfig
+++ b/arch/frv/Kconfig
@@ -341,16 +341,6 @@ source "drivers/pci/Kconfig"
 
 source "drivers/pcmcia/Kconfig"
 
-#config MATH_EMULATION
-#	bool "Math emulation support (EXPERIMENTAL)"
-#	depends on EXPERIMENTAL
-#	help
-#	  At some point in the future, this will cause floating-point math
-#	  instructions to be emulated by the kernel on machines that lack a
-#	  floating-point math coprocessor.  Thrill-seekers and chronically
-#	  sleep-deprived psychotic hacker types can say Y now, everyone else
-#	  should probably wait a while.
-
 menu "Power management options"
 
 config ARCH_SUSPEND_POSSIBLE
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index b122adc8bdbb593b09218c3d334394064de3fd72..c616420efe8b606b78b6d40490cf5c3b8f6b4444 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -2386,10 +2386,6 @@ config TC
 	  Linux driver support status is documented at:
 	  <http://www.linux-mips.org/wiki/DECstation>
 
-#config ACCESSBUS
-#	bool "Access.Bus support"
-#	depends on TC
-
 config MMU
 	bool
 	default y
diff --git a/arch/mips/sgi-ip27/Kconfig b/arch/mips/sgi-ip27/Kconfig
index bc5e9769bb73fa2de796b0f67ad5647637ea0f66..4b2ea282b9c758993d45e4b3b17576181040a1ab 100644
--- a/arch/mips/sgi-ip27/Kconfig
+++ b/arch/mips/sgi-ip27/Kconfig
@@ -1,9 +1,3 @@
-#config SGI_SN0_XXL
-#	bool "IP27 XXL"
-#	depends on SGI_IP27
-#	  This options adds support for userspace processes up to 16TB size.
-#	  Normally the limit is just .5TB.
-
 choice
 	prompt "Node addressing mode"
 	depends on SGI_IP27
diff --git a/drivers/parisc/Kconfig b/drivers/parisc/Kconfig
index 553a9905299a9cb80f1171ca24d3f449532ca719..620264936341832ec0f7d64efe401b111db48667 100644
--- a/drivers/parisc/Kconfig
+++ b/drivers/parisc/Kconfig
@@ -108,13 +108,6 @@ config IOMMU_HELPER
 	depends on IOMMU_SBA || IOMMU_CCIO
 	default y
 
-#config PCI_EPIC
-#	bool "EPIC/SAGA PCI support"
-#	depends on PCI
-#	default y
-#	help
-#	  Say Y here for V-class PCI, DMA/IOMMU, IRQ subsystem support.
-
 source "drivers/pcmcia/Kconfig"
 
 source "drivers/pci/hotplug/Kconfig"