diff --git a/rules/functions b/rules/functions
index 35b63aeaba..c6caebe828 100644
--- a/rules/functions
+++ b/rules/functions
@@ -48,7 +48,7 @@ log_green = echo -e "$(GREEN)$(1)$(GRAY)"
 FLUSH_LOG = rm -f $@.log
 
 LOG_SIMPLE = &>> $(PROJECT_ROOT)/$@.log || { [ $$? -eq 0 ] || pushd $(PROJECT_ROOT) > /dev/null ; ./update_screen.sh -e $@ ; popd > /dev/null ; false ; }
-LOG = |& $(PROJECT_ROOT)/scripts/process_log.sh $(PROCESS_LOG_OPTION) &>> $(PROJECT_ROOT)/$@.log ; test $${PIPESTATUS[-2]} -eq 0 || { [ $$? -eq 0 ] || pushd $(PROJECT_ROOT) > /dev/null ; ./update_screen.sh -e $@ ; popd > /dev/null ; false ; }
+LOG = < /dev/null |& $(PROJECT_ROOT)/scripts/process_log.sh $(PROCESS_LOG_OPTION) &>> $(PROJECT_ROOT)/$@.log ; test $${PIPESTATUS[-2]} -eq 0 || { [ $$? -eq 0 ] || pushd $(PROJECT_ROOT) > /dev/null ; ./update_screen.sh -e $@ ; popd > /dev/null ; false ; }
 
 ###############################################################################
 ## Header and footer for each target
diff --git a/slave.mk b/slave.mk
index a65b214f5b..d228efbc33 100644
--- a/slave.mk
+++ b/slave.mk
@@ -471,7 +471,7 @@ $(addprefix $(DEBS_PATH)/, $(SONIC_DPKG_DEBS)) : $(DEBS_PATH)/% : .platform $$(a
 		# Clean up
 		if [ -f $($*_SRC_PATH).patch/series ]; then pushd $($*_SRC_PATH) && quilt pop -a -f; [ -d .pc ] && rm -rf .pc; popd; fi
 		# Take built package(s)
-		mv $(addprefix $($*_SRC_PATH)/../, $* $($*_DERIVED_DEBS) $($*_EXTRA_DEBS)) $(DEBS_PATH) $(LOG)
+		mv -f $(addprefix $($*_SRC_PATH)/../, $* $($*_DERIVED_DEBS) $($*_EXTRA_DEBS)) $(DEBS_PATH) $(LOG)
 
 		# Save the target deb into DPKG cache
 		$(call SAVE_CACHE,$*,$@)
@@ -572,7 +572,7 @@ $(addprefix $(PYTHON_DEBS_PATH)/, $(SONIC_PYTHON_STDEB_DEBS)) : $(PYTHON_DEBS_PA
 		# Clean up
 		if [ -f $($*_SRC_PATH).patch/series ]; then pushd $($*_SRC_PATH) && quilt pop -a -f; [ -d .pc ] && rm -rf .pc; popd; fi
 		# Take built package(s)
-		mv $(addprefix $($*_SRC_PATH)/deb_dist/, $* $($*_DERIVED_DEBS)) $(PYTHON_DEBS_PATH) $(LOG)
+		mv -f $(addprefix $($*_SRC_PATH)/deb_dist/, $* $($*_DERIVED_DEBS)) $(PYTHON_DEBS_PATH) $(LOG)
 
 		# Save the target deb into DPKG cache
 		$(call SAVE_CACHE,$*,$@)
@@ -609,7 +609,7 @@ $(addprefix $(PYTHON_WHEELS_PATH)/, $(SONIC_PYTHON_WHEELS)) : $(PYTHON_WHEELS_PA
 		# clean up
 		if [ -f ../$(notdir $($*_SRC_PATH)).patch/series ]; then quilt pop -a -f; [ -d .pc ] && rm -rf .pc; fi
 		popd $(LOG_SIMPLE)
-		mv $($*_SRC_PATH)/dist/$* $(PYTHON_WHEELS_PATH) $(LOG)
+		mv -f $($*_SRC_PATH)/dist/$* $(PYTHON_WHEELS_PATH) $(LOG)
 
 		# Save the target deb into DPKG cache
 		$(call SAVE_CACHE,$*,$@)