diff --git a/core/definitions.mk b/core/definitions.mk
index fab88f3..01766d4 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -1832,18 +1832,21 @@
 define transform-to-stripped-keep-mini-debug-info
 @echo "$($(PRIVATE_PREFIX)DISPLAY) Strip (mini debug info): $(PRIVATE_MODULE) ($@)"
 @mkdir -p $(dir $@)
-$(hide) $(PRIVATE_NM) -D $< --format=posix --defined-only | awk '{ print $$1 }' | sort >$@.dynsyms
-$(hide) $(PRIVATE_NM) $< --format=posix --defined-only | awk '{ if ($$2 == "T" || $$2 == "t" || $$2 == "D") print $$1 }' | sort >$@.funcsyms
-$(hide) comm -13 $@.dynsyms $@.funcsyms >$@.keep_symbols
-$(hide) $(PRIVATE_OBJCOPY) --only-keep-debug $< $@.debug
-$(hide) $(PRIVATE_OBJCOPY) --rename-section .debug_frame=saved_debug_frame $@.debug $@.mini_debuginfo
-$(hide) $(PRIVATE_OBJCOPY) -S --remove-section .gdb_index --remove-section .comment --keep-symbols=$@.keep_symbols $@.mini_debuginfo
-$(hide) $(PRIVATE_OBJCOPY) --rename-section saved_debug_frame=.debug_frame $@.mini_debuginfo
-$(hide) $(PRIVATE_STRIP) --strip-all -R .comment $< -o $@
-$(hide) rm -f $@.mini_debuginfo.xz
-$(hide) xz $@.mini_debuginfo
-$(hide) $(PRIVATE_OBJCOPY) --add-section .gnu_debugdata=$@.mini_debuginfo.xz $@
-$(hide) rm -f $@.dynsyms $@.funcsyms $@.keep_symbols $@.debug $@.mini_debuginfo.xz
+$(hide) rm -f $@ $@.dynsyms $@.funcsyms $@.keep_symbols $@.debug $@.mini_debuginfo.xz
+if $(PRIVATE_STRIP) --strip-all -R .comment $< -o $@; then \
+  $(PRIVATE_OBJCOPY) --only-keep-debug $< $@.debug && \
+  $(PRIVATE_NM) -D $< --format=posix --defined-only | awk '{ print $$1 }' | sort >$@.dynsyms && \
+  $(PRIVATE_NM) $< --format=posix --defined-only | awk '{ if ($$2 == "T" || $$2 == "t" || $$2 == "D") print $$1 }' | sort >$@.funcsyms && \
+  comm -13 $@.dynsyms $@.funcsyms >$@.keep_symbols && \
+  $(PRIVATE_OBJCOPY) --rename-section .debug_frame=saved_debug_frame $@.debug $@.mini_debuginfo && \
+  $(PRIVATE_OBJCOPY) -S --remove-section .gdb_index --remove-section .comment --keep-symbols=$@.keep_symbols $@.mini_debuginfo && \
+  $(PRIVATE_OBJCOPY) --rename-section saved_debug_frame=.debug_frame $@.mini_debuginfo && \
+  rm -f $@.mini_debuginfo.xz && \
+  xz $@.mini_debuginfo && \
+  $(PRIVATE_OBJCOPY) --add-section .gnu_debugdata=$@.mini_debuginfo.xz $@; \
+else \
+  cp -f $< $@; \
+fi
 endef
 
 define transform-to-stripped-keep-symbols
diff --git a/core/main.mk b/core/main.mk
index 8768b0b..b892ce0 100644
--- a/core/main.mk
+++ b/core/main.mk
@@ -817,7 +817,7 @@
 ifdef overridden_packages
 #  old_modules_to_install := $(modules_to_install)
   modules_to_install := \
-      $(filter-out $(foreach p,$(overridden_packages),$(p) %/$(p).apk %/$(p).odex), \
+      $(filter-out $(foreach p,$(overridden_packages),$(p) %/$(p).apk %/$(p).odex %/$(p).vdex), \
           $(modules_to_install))
 endif
 #$(error filtered out
diff --git a/target/board/generic_arm64_ab/BoardConfig.mk b/target/board/generic_arm64_ab/BoardConfig.mk
index 2c3821a..cf79019 100644
--- a/target/board/generic_arm64_ab/BoardConfig.mk
+++ b/target/board/generic_arm64_ab/BoardConfig.mk
@@ -64,7 +64,6 @@
 
 # Enable A/B update
 TARGET_NO_RECOVERY := true
-BOARD_USES_RECOVERY_AS_BOOT := true
 BOARD_BUILD_SYSTEM_ROOT_IMAGE := true
 
 # TODO(jiyong) These might be SoC specific.