diff --git a/core/combo/TARGET_linux-arm.mk b/core/combo/TARGET_linux-arm.mk
index 278d5eef0b..172ed0094b 100644
--- a/core/combo/TARGET_linux-arm.mk
+++ b/core/combo/TARGET_linux-arm.mk
@@ -73,18 +73,11 @@ TARGET_arm_CFLAGS :=    -O2 \
                         -fstrict-aliasing    \
                         -funswitch-loops
 
-# Modules can choose to compile some source as thumb. As
-# non-thumb enabled targets are supported, this is treated
-# as a 'hint'. If thumb is not enabled, these files are just
-# compiled as ARM.
-ifeq ($(ARCH_ARM_HAVE_THUMB_SUPPORT),true)
+# Modules can choose to compile some source as thumb.
 TARGET_thumb_CFLAGS :=  -mthumb \
                         -Os \
                         -fomit-frame-pointer \
                         -fno-strict-aliasing
-else
-TARGET_thumb_CFLAGS := $(TARGET_arm_CFLAGS)
-endif
 
 # Set FORCE_ARM_DEBUGGING to "true" in your buildspec.mk
 # or in your environment to force a full arm build, even for
@@ -144,15 +137,7 @@ TARGET_GLOBAL_LDFLAGS += \
 			-Wl,--icf=safe \
 			$(arch_variant_ldflags)
 
-# We only need thumb interworking in cases where thumb support
-# is available in the architecture, and just to be sure, (and
-# since sometimes thumb-interwork appears to be default), we
-# specifically disable when thumb support is unavailable.
-ifeq ($(ARCH_ARM_HAVE_THUMB_SUPPORT),true)
 TARGET_GLOBAL_CFLAGS += -mthumb-interwork
-else
-TARGET_GLOBAL_CFLAGS += -mno-thumb-interwork
-endif
 
 TARGET_GLOBAL_CPPFLAGS += -fvisibility-inlines-hidden
 
diff --git a/core/combo/arch/arm/armv5te.mk b/core/combo/arch/arm/armv5te.mk
index 1c25e365eb..88e57b7264 100644
--- a/core/combo/arch/arm/armv5te.mk
+++ b/core/combo/arch/arm/armv5te.mk
@@ -1,10 +1,6 @@
 # Configuration for Linux on ARM.
 # Generating binaries for the ARMv5TE architecture and higher
 #
-ARCH_ARM_HAVE_THUMB_SUPPORT     := true
-ARCH_ARM_HAVE_FAST_INTERWORKING := true
-ARCH_ARM_HAVE_64BIT_DATA        := true
-ARCH_ARM_HAVE_HALFWORD_MULTIPLY := true
 
 # Note: Hard coding the 'tune' value here is probably not ideal,
 # and a better solution should be found in the future.
diff --git a/core/combo/arch/arm/armv7-a-neon.mk b/core/combo/arch/arm/armv7-a-neon.mk
index 305d590747..a928fe1f01 100644
--- a/core/combo/arch/arm/armv7-a-neon.mk
+++ b/core/combo/arch/arm/armv7-a-neon.mk
@@ -1,12 +1,7 @@
 # Configuration for Linux on ARM.
 # Generating binaries for the ARMv7-a architecture and higher with NEON
 #
-ARCH_ARM_HAVE_THUMB_SUPPORT     := true
-ARCH_ARM_HAVE_FAST_INTERWORKING := true
-ARCH_ARM_HAVE_64BIT_DATA        := true
-ARCH_ARM_HAVE_HALFWORD_MULTIPLY := true
 ARCH_ARM_HAVE_ARMV7A            := true
-ARCH_ARM_HAVE_TLS_REGISTER      := true
 ARCH_ARM_HAVE_VFP               := true
 ARCH_ARM_HAVE_VFP_D32           := true
 ARCH_ARM_HAVE_NEON              := true
diff --git a/core/combo/arch/arm/armv7-a.mk b/core/combo/arch/arm/armv7-a.mk
index 7c33a5acca..4a519770f5 100644
--- a/core/combo/arch/arm/armv7-a.mk
+++ b/core/combo/arch/arm/armv7-a.mk
@@ -1,12 +1,7 @@
 # Configuration for Linux on ARM.
 # Generating binaries for the ARMv7-a architecture and higher
 #
-ARCH_ARM_HAVE_THUMB_SUPPORT     := true
-ARCH_ARM_HAVE_FAST_INTERWORKING := true
-ARCH_ARM_HAVE_64BIT_DATA        := true
-ARCH_ARM_HAVE_HALFWORD_MULTIPLY := true
 ARCH_ARM_HAVE_ARMV7A            := true
-ARCH_ARM_HAVE_TLS_REGISTER      := true
 ARCH_ARM_HAVE_VFP               := true
 
 # Note: Hard coding the 'tune' value here is probably not ideal,
diff --git a/target/board/generic/BoardConfig.mk b/target/board/generic/BoardConfig.mk
index 7a25f30e04..3b032504f8 100644
--- a/target/board/generic/BoardConfig.mk
+++ b/target/board/generic/BoardConfig.mk
@@ -22,7 +22,6 @@ TARGET_ARCH := arm
 TARGET_ARCH_VARIANT := armv7-a
 TARGET_CPU_ABI := armeabi-v7a
 TARGET_CPU_ABI2 := armeabi
-ARCH_ARM_HAVE_TLS_REGISTER := true
 
 HAVE_HTC_AUDIO_DRIVER := true
 BOARD_USES_GENERIC_AUDIO := true