diff --git a/core/Makefile b/core/Makefile
index 27f8756e7..561368d4b 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -3955,7 +3955,7 @@ built_ota_tools :=
 # We can't build static executables when SANITIZE_TARGET=address
 ifeq (,$(filter address, $(SANITIZE_TARGET)))
 built_ota_tools += \
-    $(call intermediates-dir-for,EXECUTABLES,updater,,,$(TARGET_PREFER_32_BIT))/updater
+    $(call intermediates-dir-for,EXECUTABLES,updater)/updater
 endif
 
 $(BUILT_TARGET_FILES_PACKAGE): PRIVATE_OTA_TOOLS := $(built_ota_tools)
diff --git a/core/board_config.mk b/core/board_config.mk
index 0ff28c5fd..72ba568bb 100644
--- a/core/board_config.mk
+++ b/core/board_config.mk
@@ -242,13 +242,8 @@ endif
 # build a list out of the TARGET_CPU_ABIs specified by the config.
 # Add NATIVE_BRIDGE_ABIs at the end to keep order of preference.
 ifeq (,$(TARGET_CPU_ABI_LIST))
-  ifeq ($(TARGET_IS_64_BIT)|$(TARGET_PREFER_32_BIT_APPS),true|true)
-    TARGET_CPU_ABI_LIST := $(TARGET_CPU_ABI_LIST_32_BIT) $(TARGET_CPU_ABI_LIST_64_BIT) \
-                           $(_target_native_bridge_abi_list_32_bit) $(_target_native_bridge_abi_list_64_bit)
-  else
-    TARGET_CPU_ABI_LIST := $(TARGET_CPU_ABI_LIST_64_BIT) $(TARGET_CPU_ABI_LIST_32_BIT) \
-                           $(_target_native_bridge_abi_list_64_bit) $(_target_native_bridge_abi_list_32_bit)
-  endif
+  TARGET_CPU_ABI_LIST := $(TARGET_CPU_ABI_LIST_64_BIT) $(TARGET_CPU_ABI_LIST_32_BIT) \
+                         $(_target_native_bridge_abi_list_64_bit) $(_target_native_bridge_abi_list_32_bit)
 endif
 
 # Add NATIVE_BRIDGE_ABIs at the end of 32 and 64 bit CPU_ABIs to keep order of preference.
diff --git a/core/config.mk b/core/config.mk
index 5be1b8680..6bcdda2c4 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -141,6 +141,7 @@ $(KATI_obsolete_var \
   TARGET_PROJECT_SYSTEM_INCLUDES \
   2ND_TARGET_PROJECT_SYSTEM_INCLUDES \
   ,Project include variables have been removed)
+$(KATI_obsolete_var TARGET_PREFER_32_BIT TARGET_PREFER_32_BIT_APPS TARGET_PREFER_32_BIT_EXECUTABLES)
 
 # Used to force goals to build.  Only use for conditionally defined goals.
 .PHONY: FORCE
@@ -375,11 +376,6 @@ include $(BUILD_SYSTEM)/goma.mk
 include $(BUILD_SYSTEM)/rbe.mk
 endif
 
-ifdef TARGET_PREFER_32_BIT
-TARGET_PREFER_32_BIT_APPS := true
-TARGET_PREFER_32_BIT_EXECUTABLES := true
-endif
-
 # GCC version selection
 TARGET_GCC_VERSION := 4.9
 ifdef TARGET_2ND_ARCH
diff --git a/core/executable.mk b/core/executable.mk
index db8dcc631..9175e0ad6 100644
--- a/core/executable.mk
+++ b/core/executable.mk
@@ -40,14 +40,9 @@ else #!LOCAL_MULTILIB == both
 LOCAL_NO_2ND_ARCH_MODULE_SUFFIX := true
 endif
 
-# if TARGET_PREFER_32_BIT_EXECUTABLES is set, try to build 32-bit first
 ifdef TARGET_2ND_ARCH
-ifeq ($(TARGET_PREFER_32_BIT_EXECUTABLES),true)
-LOCAL_2ND_ARCH_VAR_PREFIX := $(TARGET_2ND_ARCH_VAR_PREFIX)
-else
 LOCAL_2ND_ARCH_VAR_PREFIX :=
 endif
-endif
 
 my_skip_non_preferred_arch :=
 
@@ -65,12 +60,7 @@ endif
 ifndef my_skip_non_preferred_arch
 ifdef TARGET_2ND_ARCH
 
-# check if the non-preferred arch is the primary or secondary
-ifeq ($(TARGET_PREFER_32_BIT_EXECUTABLES),true)
-LOCAL_2ND_ARCH_VAR_PREFIX :=
-else
 LOCAL_2ND_ARCH_VAR_PREFIX := $(TARGET_2ND_ARCH_VAR_PREFIX)
-endif
 
 # check if non-preferred arch is supported
 include $(BUILD_SYSTEM)/module_arch_supported.mk
diff --git a/core/executable_prefer_symlink.mk b/core/executable_prefer_symlink.mk
index ad6698df6..fea0bef64 100644
--- a/core/executable_prefer_symlink.mk
+++ b/core/executable_prefer_symlink.mk
@@ -5,22 +5,13 @@
 # Note: now only limited to the binaries that will be installed under system/bin directory
 
 # Create link to the one used depending on the target
-# configuration. Note that we require the TARGET_IS_64_BIT
-# check because 32 bit targets may not define TARGET_PREFER_32_BIT_APPS
-# et al. since those variables make no sense in that context.
+# configuration.
 ifneq ($(LOCAL_IS_HOST_MODULE),true)
   my_symlink := $(addprefix $(TARGET_OUT)/bin/, $(LOCAL_MODULE))
   my_src_binary_name :=
   ifeq ($(TARGET_IS_64_BIT),true)
     ifeq ($(TARGET_SUPPORTS_64_BIT_APPS)|$(TARGET_SUPPORTS_32_BIT_APPS),true|true)
-      # We support both 32 and 64 bit apps, so we will have to
-      # base our decision on whether the target prefers one or the
-      # other.
-      ifeq ($(TARGET_PREFER_32_BIT_APPS),true)
-        my_src_binary_name := $(LOCAL_MODULE_STEM_32)
-      else
-        my_src_binary_name := $(LOCAL_MODULE_STEM_64)
-      endif
+      my_src_binary_name := $(LOCAL_MODULE_STEM_64)
     else ifeq ($(TARGET_SUPPORTS_64_BIT_APPS),true)
       # We support only 64 bit apps.
       my_src_binary_name := $(LOCAL_MODULE_STEM_64)
diff --git a/core/package.mk b/core/package.mk
index 6bde48553..591f7aafd 100644
--- a/core/package.mk
+++ b/core/package.mk
@@ -41,15 +41,7 @@ else
 endif
 
 LOCAL_NO_2ND_ARCH_MODULE_SUFFIX := true
-
-# if TARGET_PREFER_32_BIT_APPS is set, try to build 32-bit first
-ifdef TARGET_2ND_ARCH
-ifeq ($(TARGET_PREFER_32_BIT_APPS),true)
-LOCAL_2ND_ARCH_VAR_PREFIX := $(TARGET_2ND_ARCH_VAR_PREFIX)
-else
 LOCAL_2ND_ARCH_VAR_PREFIX :=
-endif
-endif
 
 # check if preferred arch is supported
 include $(BUILD_SYSTEM)/module_arch_supported.mk
@@ -57,13 +49,7 @@ ifeq ($(my_module_arch_supported),true)
 # first arch is supported
 include $(BUILD_SYSTEM)/package_internal.mk
 else ifneq (,$(TARGET_2ND_ARCH))
-# check if the non-preferred arch is the primary or secondary
-ifeq ($(TARGET_PREFER_32_BIT_APPS),true)
-LOCAL_2ND_ARCH_VAR_PREFIX :=
-else
 LOCAL_2ND_ARCH_VAR_PREFIX := $(TARGET_2ND_ARCH_VAR_PREFIX)
-endif
-
 # check if non-preferred arch is supported
 include $(BUILD_SYSTEM)/module_arch_supported.mk
 ifeq ($(my_module_arch_supported),true)
diff --git a/core/soong_config.mk b/core/soong_config.mk
index 18949bef2..c3e8c2b48 100644
--- a/core/soong_config.mk
+++ b/core/soong_config.mk
@@ -122,8 +122,6 @@ $(call add_json_bool, ArtUseReadBarrier,                 $(call invert_bool,$(fi
 $(call add_json_bool, Binder32bit,                       $(BINDER32BIT))
 $(call add_json_str,  BtConfigIncludeDir,                $(BOARD_BLUETOOTH_BDROID_BUILDCFG_INCLUDE_DIR))
 $(call add_json_list, DeviceKernelHeaders,               $(TARGET_DEVICE_KERNEL_HEADERS) $(TARGET_BOARD_KERNEL_HEADERS) $(TARGET_PRODUCT_KERNEL_HEADERS))
-$(call add_json_bool, DevicePrefer32BitApps,             $(filter true,$(TARGET_PREFER_32_BIT_APPS)))
-$(call add_json_bool, DevicePrefer32BitExecutables,      $(filter true,$(TARGET_PREFER_32_BIT_EXECUTABLES)))
 $(call add_json_str,  DeviceVndkVersion,                 $(BOARD_VNDK_VERSION))
 $(call add_json_str,  Platform_vndk_version,             $(PLATFORM_VNDK_VERSION))
 $(call add_json_str,  ProductVndkVersion,                $(PRODUCT_PRODUCT_VNDK_VERSION))
diff --git a/target/product/mainline_system.mk b/target/product/mainline_system.mk
index bed1b2831..f21a4e42f 100644
--- a/target/product/mainline_system.mk
+++ b/target/product/mainline_system.mk
@@ -118,7 +118,6 @@ PRODUCT_HOST_PACKAGES += \
 PRODUCT_COPY_FILES += \
     system/core/rootdir/init.zygote32.rc:system/etc/init/hw/init.zygote32.rc \
     system/core/rootdir/init.zygote64.rc:system/etc/init/hw/init.zygote64.rc \
-    system/core/rootdir/init.zygote32_64.rc:system/etc/init/hw/init.zygote32_64.rc \
     system/core/rootdir/init.zygote64_32.rc:system/etc/init/hw/init.zygote64_32.rc \
 
 # Enable dynamic partition size