diff --git a/core/tasks/cts.mk b/core/tasks/cts.mk
index 56a7f6f..2050fc7 100644
--- a/core/tasks/cts.mk
+++ b/core/tasks/cts.mk
@@ -385,9 +385,10 @@
 $(INTERNAL_CTS_TARGET): PRIVATE_CTS_DIR := $(cts_dir)
 $(INTERNAL_CTS_TARGET): PRIVATE_DIR := $(cts_dir)/$(cts_name)
 $(INTERNAL_CTS_TARGET): TMP_DIR := $(cts_dir)/temp
-$(INTERNAL_CTS_TARGET): $(cts_dir)/all_cts_files_stamp $(DEFAULT_TEST_PLAN)
+$(INTERNAL_CTS_TARGET): $(cts_dir)/all_cts_files_stamp $(DEFAULT_TEST_PLAN) | $(ZIPTIME)
 	$(hide) echo "Package CTS: $@"
-	$(hide) cd $(dir $@) && zip -rq $(notdir $@) $(PRIVATE_NAME)
+	$(hide) cd $(dir $@) && zip -rqX $(notdir $@) $(PRIVATE_NAME)
+	$(remove-timestamps-from-package)
 
 .PHONY: cts
 cts: $(INTERNAL_CTS_TARGET) adb
diff --git a/core/tasks/sdk-addon.mk b/core/tasks/sdk-addon.mk
index 5ac9b7d..0062f7e 100644
--- a/core/tasks/sdk-addon.mk
+++ b/core/tasks/sdk-addon.mk
@@ -104,20 +104,22 @@
 
 $(full_target): PRIVATE_STAGING_DIR := $(call append-path,$(staging),$(addon_dir_leaf))
 
-$(full_target): $(sdk_addon_deps) | $(ACP)
+$(full_target): $(sdk_addon_deps) | $(ACP) $(ZIPTIME)
 	@echo Packaging SDK Addon: $@
 	$(hide) mkdir -p $(PRIVATE_STAGING_DIR)/docs
 	$(hide) for d in $(PRIVATE_DOCS_DIRS); do \
 	    $(ACP) -r $$d $(PRIVATE_STAGING_DIR)/docs ;\
 	  done
 	$(hide) mkdir -p $(dir $@)
-	$(hide) ( F=$$(pwd)/$@ ; cd $(PRIVATE_STAGING_DIR)/.. && zip -rq $$F $(notdir $(PRIVATE_STAGING_DIR)) )
+	$(hide) ( F=$$(pwd)/$@ ; cd $(PRIVATE_STAGING_DIR)/.. && zip -rqX $$F $(notdir $(PRIVATE_STAGING_DIR)) )
+	$(remove-timestamps-from-package)
 
 $(full_target_img): PRIVATE_STAGING_DIR := $(call append-path,$(staging),$(addon_dir_img))/images/$(TARGET_CPU_ABI)
-$(full_target_img): $(full_target) $(addon_img_source_prop)
+$(full_target_img): $(full_target) $(addon_img_source_prop) | $(ZIPTIME)
 	@echo Packaging SDK Addon System-Image: $@
 	$(hide) mkdir -p $(dir $@)
-	$(hide) ( F=$$(pwd)/$@ ; cd $(PRIVATE_STAGING_DIR)/.. && zip -rq $$F $(notdir $(PRIVATE_STAGING_DIR)) )
+	$(hide) ( F=$$(pwd)/$@ ; cd $(PRIVATE_STAGING_DIR)/.. && zip -rqX $$F $(notdir $(PRIVATE_STAGING_DIR)) )
+	$(remove-timestamps-from-package)
 
 
 .PHONY: sdk_addon
diff --git a/core/tasks/tools/package-modules.mk b/core/tasks/tools/package-modules.mk
index a70e644..2e1ad21 100644
--- a/core/tasks/tools/package-modules.mk
+++ b/core/tasks/tools/package-modules.mk
@@ -47,7 +47,7 @@
 my_package_zip := $(my_staging_dir)/$(my_package_name).zip
 $(my_package_zip): PRIVATE_COPY_PAIRS := $(my_copy_pairs)
 $(my_package_zip): PRIVATE_PICKUP_FILES := $(my_pickup_files)
-$(my_package_zip) : $(my_built_modules)
+$(my_package_zip) : $(my_built_modules) | $(ZIPTIME)
 	@echo "Package $@"
 	@rm -rf $(dir $@) && mkdir -p $(dir $@)
 	$(call copy-tests-in-batch,$(wordlist 1,200,$(PRIVATE_COPY_PAIRS)))
@@ -59,4 +59,5 @@
 	$(call copy-tests-in-batch,$(wordlist 1201,9999,$(PRIVATE_COPY_PAIRS)))
 	$(hide) $(foreach f, $(PRIVATE_PICKUP_FILES),\
 	  cp -RfL $(f) $(dir $@);)
-	$(hide) cd $(dir $@) && zip -rq $(notdir $@) *
+	$(hide) cd $(dir $@) && zip -rqX $(notdir $@) *
+	$(remove-timestamps-from-package)