diff --git a/core/Makefile b/core/Makefile
index 1624678..393639c 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -1167,14 +1167,6 @@
 RECOVERY_RESOURCE_ZIP :=
 endif
 
-ifeq ($(TARGET_PRIVATE_RES_DIRS),)
-  $(info No private recovery resources for TARGET_DEVICE $(TARGET_DEVICE))
-endif
-
-ifeq ($(recovery_fstab),)
-  $(info No recovery.fstab for TARGET_DEVICE $(TARGET_DEVICE))
-endif
-
 INTERNAL_RECOVERYIMAGE_ARGS := \
 	$(addprefix --second ,$(INSTALLED_2NDBOOTLOADER_TARGET)) \
 	--kernel $(recovery_kernel) \
@@ -2170,7 +2162,7 @@
   $(shell find system/update_engine/scripts -name \*.pyc -prune -o -type f -print | sort) \
   $(shell find build/target/product/security -type f -name \*.x509.pem -o -name \*.pk8 -o \
       -name verity_key | sort) \
-  $(shell find device vendor -type f -name \*.pk8 -o -name verifiedboot\* -o \
+  $(shell find device $(wildcard vendor) -type f -name \*.pk8 -o -name verifiedboot\* -o \
       -name \*.x509.pem -o -name oem\*.prop | sort)
 
 OTATOOLS_RELEASETOOLS := \
diff --git a/core/definitions.mk b/core/definitions.mk
index c7799b0..e74c77f 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -2569,9 +2569,9 @@
 define uncompress-dexs
 $(hide) if (zipinfo $@ '*.dex' 2>/dev/null | grep -v ' stor ' >/dev/null) ; then \
   rm -rf $(dir $@)uncompresseddexs && mkdir $(dir $@)uncompresseddexs; \
-  unzip $@ '*.dex' -d $(dir $@)uncompresseddexs && \
-  zip -d $@ '*.dex' && \
-  ( cd $(dir $@)uncompresseddexs && find . -type f | sort | zip -D -X -0 ../$(notdir $@) -@ ) && \
+  unzip -q $@ '*.dex' -d $(dir $@)uncompresseddexs && \
+  zip -qd $@ '*.dex' && \
+  ( cd $(dir $@)uncompresseddexs && find . -type f | sort | zip -qD -X -0 ../$(notdir $@) -@ ) && \
   rm -rf $(dir $@)uncompresseddexs; \
   fi
 endef
@@ -2581,9 +2581,9 @@
 define uncompress-shared-libs
 $(hide) if (zipinfo $@ $(PRIVATE_EMBEDDED_JNI_LIBS) 2>/dev/null | grep -v ' stor ' >/dev/null) ; then \
   rm -rf $(dir $@)uncompressedlibs && mkdir $(dir $@)uncompressedlibs; \
-  unzip $@ $(PRIVATE_EMBEDDED_JNI_LIBS) -d $(dir $@)uncompressedlibs && \
-  zip -d $@ 'lib/*.so' && \
-  ( cd $(dir $@)uncompressedlibs && find lib -type f | sort | zip -D -X -0 ../$(notdir $@) -@ ) && \
+  unzip -q $@ $(PRIVATE_EMBEDDED_JNI_LIBS) -d $(dir $@)uncompressedlibs && \
+  zip -qd $@ 'lib/*.so' && \
+  ( cd $(dir $@)uncompressedlibs && find lib -type f | sort | zip -qD -X -0 ../$(notdir $@) -@ ) && \
   rm -rf $(dir $@)uncompressedlibs; \
   fi
 endef