diff --git a/files/build_templates/init_cfg.json.j2 b/files/build_templates/init_cfg.json.j2
index 39e180a1179..d7a898dd449 100644
--- a/files/build_templates/init_cfg.json.j2
+++ b/files/build_templates/init_cfg.json.j2
@@ -55,11 +55,11 @@
 {%- if include_macsec == "y" %}{% do features.append(("macsec", "{% if 'type' in DEVICE_METADATA['localhost'] and DEVICE_METADATA['localhost']['type'] == 'SpineRouter' and DEVICE_RUNTIME_METADATA['MACSEC_SUPPORTED'] %}enabled{% else %}disabled{% endif %}", false, "enabled")) %}{% endif %}
 {%- if include_system_telemetry == "y" %}{% do features.append(("telemetry", "enabled", true, "enabled")) %}{% endif %}
     "FEATURE": {
-{# has_timer field if set, will start the feature systemd .timer unit instead of .service unit #}
-{%- for feature, state, has_timer, autorestart in features %}
+{# delayed field if set, will start the feature systemd .timer unit instead of .service unit #}
+{%- for feature, state, delayed, autorestart in features %}
         "{{feature}}": {
             "state": "{{state}}",
-            "has_timer" : {{has_timer | lower()}},
+            "delayed" : {{delayed | lower()}},
             "has_global_scope": {% if feature + '.service' in installer_services.split(' ') %}true{% else %}false{% endif %},
 {%- if feature in ["lldp"] %}
             "has_per_asic_scope": {% raw %}"{% if not DEVICE_RUNTIME_METADATA['ETHERNET_PORTS_PRESENT'] or ('CHASSIS_METADATA' in DEVICE_RUNTIME_METADATA and DEVICE_RUNTIME_METADATA['CHASSIS_METADATA']['module_type'] in ['supervisor']) %}False{% else %}True{% endif %}"{% endraw %},
diff --git a/files/build_templates/mgmt-framework.timer b/files/build_templates/mgmt-framework.timer
deleted file mode 100644
index ea868bd6674..00000000000
--- a/files/build_templates/mgmt-framework.timer
+++ /dev/null
@@ -1,11 +0,0 @@
-[Unit]
-Description=Delays management framework container until SONiC has started
-PartOf=mgmt-framework.service
-
-[Timer]
-OnUnitActiveSec=0 sec
-OnBootSec=3min 30 sec
-Unit=mgmt-framework.service
-
-[Install]
-WantedBy=timers.target sonic.target sonic-delayed.target
diff --git a/files/build_templates/per_namespace/lldp.timer.j2 b/files/build_templates/per_namespace/lldp.timer.j2
deleted file mode 100644
index 67622a32851..00000000000
--- a/files/build_templates/per_namespace/lldp.timer.j2
+++ /dev/null
@@ -1,12 +0,0 @@
-[Unit]
-# This delay is for fast/warm reboot performance
-Description=Delays LLDP docker until SONiC has started
-PartOf=lldp{% if multi_instance == 'true' %}@%i{% endif %}.service
-
-[Timer]
-OnUnitActiveSec=0 sec
-OnBootSec=1min 30 sec
-Unit=lldp{% if multi_instance == 'true' %}@%i{% endif %}.service
-
-[Install]
-WantedBy=timers.target sonic.target sonic-delayed.target
diff --git a/files/build_templates/pmon.timer b/files/build_templates/pmon.timer
deleted file mode 100644
index 2993051607e..00000000000
--- a/files/build_templates/pmon.timer
+++ /dev/null
@@ -1,12 +0,0 @@
-[Unit]
-# This delay is for fast/warm reboot performance
-Description=Delays pmon docker until SONiC has started
-PartOf=pmon.service
-
-[Timer]
-OnUnitActiveSec=0 sec
-OnBootSec=1min 30 sec
-Unit=pmon.service
-
-[Install]
-WantedBy=timers.target sonic.target sonic-delayed.target
diff --git a/files/build_templates/snmp.service.j2 b/files/build_templates/snmp.service.j2
index 5c753dd651e..c6e92ef5981 100644
--- a/files/build_templates/snmp.service.j2
+++ b/files/build_templates/snmp.service.j2
@@ -2,7 +2,7 @@
 Description=SNMP container
 Requires=updategraph.service
 Requisite=swss.service
-After=updategraph.service swss.service syncd.service
+After=updategraph.service swss.service syncd.service interfaces-config.service
 BindsTo=sonic.target
 After=sonic.target
 Before=ntp-config.service
diff --git a/files/build_templates/snmp.timer b/files/build_templates/snmp.timer
deleted file mode 100644
index bcbe4963adc..00000000000
--- a/files/build_templates/snmp.timer
+++ /dev/null
@@ -1,12 +0,0 @@
-[Unit]
-Description=Delays snmp container until SONiC has started
-PartOf=snmp.service
-After=swss.service interfaces-config.service
-
-[Timer]
-OnUnitActiveSec=0 sec
-OnBootSec=3min 30 sec
-Unit=snmp.service
-
-[Install]
-WantedBy=timers.target swss.service sonic-delayed.target
diff --git a/files/build_templates/sonic-delayed.target b/files/build_templates/sonic-delayed.target
deleted file mode 100644
index b3b5d760f13..00000000000
--- a/files/build_templates/sonic-delayed.target
+++ /dev/null
@@ -1,5 +0,0 @@
-[Unit]
-Description=SONiC delayed services target.
-
-[Install]
-WantedBy=multi-user.target
diff --git a/files/build_templates/sonic_debian_extension.j2 b/files/build_templates/sonic_debian_extension.j2
index ebdbea0071d..c2fdfc25fe7 100644
--- a/files/build_templates/sonic_debian_extension.j2
+++ b/files/build_templates/sonic_debian_extension.j2
@@ -852,19 +852,6 @@ if [ -f {{service}} ]; then
     echo "{{service}}" | sudo tee -a $GENERATED_SERVICE_FILE
 fi
 {% endfor %}
-{% for timer in installer_timers.split(' ') -%}
-if [ -f {{timer}} ]; then
-    sudo cp {{timer}} $FILESYSTEM_ROOT_USR_LIB_SYSTEMD_SYSTEM
-
-    {% if "@" in timer %}
-    MULTI_INSTANCE="{{timer}}"
-    SINGLE_INSTANCE=${MULTI_INSTANCE/"@"}
-    sudo cp $SINGLE_INSTANCE $FILESYSTEM_ROOT_USR_LIB_SYSTEMD_SYSTEM
-    {% endif %}
-
-    echo "{{timer}}" | sudo tee -a $GENERATED_SERVICE_FILE
-fi
-{% endfor %}
 if [ -f iccpd.service ]; then
     sudo LANG=C chroot $FILESYSTEM_ROOT systemctl disable iccpd.service
 fi
@@ -898,30 +885,9 @@ sudo LANG=C cp $SCRIPTS_DIR/write_standby.py $FILESYSTEM_ROOT/usr/local/bin/writ
 # Copy mark_dhcp_packet script
 sudo LANG=C cp $SCRIPTS_DIR/mark_dhcp_packet.py $FILESYSTEM_ROOT/usr/local/bin/mark_dhcp_packet.py
 
-# Copy systemd timer configuration
-# It implements delayed start of services
-sudo cp $BUILD_TEMPLATES/snmp.timer $FILESYSTEM_ROOT_USR_LIB_SYSTEMD_SYSTEM
-echo "snmp.timer" | sudo tee -a $GENERATED_SERVICE_FILE
-
-{% if include_system_telemetry == 'y' %}
-sudo cp $BUILD_TEMPLATES/telemetry.timer $FILESYSTEM_ROOT_USR_LIB_SYSTEMD_SYSTEM
-echo "telemetry.timer" | sudo tee -a $GENERATED_SERVICE_FILE
-{% endif %}
-
-{% if include_mgmt_framework == 'y' %}
-sudo cp $BUILD_TEMPLATES/mgmt-framework.timer $FILESYSTEM_ROOT_USR_LIB_SYSTEMD_SYSTEM
-echo "mgmt-framework.timer" | sudo tee -a $GENERATED_SERVICE_FILE
-{% endif %}
-
-sudo cp $BUILD_TEMPLATES/pmon.timer $FILESYSTEM_ROOT_USR_LIB_SYSTEMD_SYSTEM
-echo "pmon.timer" | sudo tee -a $GENERATED_SERVICE_FILE
-
 sudo cp $BUILD_TEMPLATES/sonic.target $FILESYSTEM_ROOT_USR_LIB_SYSTEMD_SYSTEM
 sudo LANG=C chroot $FILESYSTEM_ROOT systemctl enable sonic.target
 
-sudo cp $BUILD_TEMPLATES/sonic-delayed.target $FILESYSTEM_ROOT_USR_LIB_SYSTEMD_SYSTEM
-sudo LANG=C chroot $FILESYSTEM_ROOT systemctl enable sonic-delayed.target
-
 sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get purge -y python3-dev
 sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get purge -y build-essential libssl-dev swig
 sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get purge -y libcairo2-dev libdbus-1-dev libgirepository1.0-dev libsystemd-dev pkg-config
diff --git a/files/build_templates/telemetry.timer b/files/build_templates/telemetry.timer
deleted file mode 100644
index 0745f5369ad..00000000000
--- a/files/build_templates/telemetry.timer
+++ /dev/null
@@ -1,11 +0,0 @@
-[Unit]
-Description=Delays telemetry container until SONiC has started
-PartOf=telemetry.service
-
-[Timer]
-OnUnitActiveSec=0 sec
-OnBootSec=3min 30 sec
-Unit=telemetry.service
-
-[Install]
-WantedBy=timers.target sonic.target sonic-delayed.target
diff --git a/files/scripts/swss.sh b/files/scripts/swss.sh
index 0e9b029dcd2..e0cc7ae5a40 100755
--- a/files/scripts/swss.sh
+++ b/files/scripts/swss.sh
@@ -275,6 +275,8 @@ stop() {
     if [[ x"$WARM_BOOT" != x"true" ]] && [[ x"$FAST_BOOT" != x"true" ]]; then
         /usr/bin/${SERVICE}.sh stop $DEV
         debug "Stopped ${SERVICE}$DEV service..."
+        $SONIC_DB_CLI APPL_DB DEL PORT_TABLE:PortInitDone
+        debug "Cleared PortInitDone from APPL_DB..."
     else
         debug "Killing Docker swss..."
         /usr/bin/docker kill swss &> /dev/null || debug "Docker swss is not running ($?) ..."
diff --git a/slave.mk b/slave.mk
index 24bb0583561..a734bafc30f 100644
--- a/slave.mk
+++ b/slave.mk
@@ -1342,14 +1342,6 @@ $(addprefix $(TARGET_PATH)/, $(SONIC_INSTALLERS)) : $(TARGET_PATH)/% : \
 				$(eval $(docker:-dbg.gz=.gz)_GLOBAL = yes)
 			)
 		fi
-		if [ -f files/build_templates/$($(docker:-dbg.gz=.gz)_CONTAINER_NAME).timer.j2 ]; then
-			j2 files/build_templates/$($(docker:-dbg.gz=.gz)_CONTAINER_NAME).timer.j2 > $($(docker:-dbg.gz=.gz)_CONTAINER_NAME).timer
-
-			# Set the flag GLOBAL_TIMER for all the global system-wide dockers timers.
-			$(if $(shell ls files/build_templates/$($(docker:-dbg.gz=.gz)_CONTAINER_NAME).timer.j2 2>/dev/null),\
-				$(eval $(docker:-dbg.gz=.gz)_GLOBAL_TIMER = yes)
-			)
-		fi
 		# Any service template, inside instance directory, will be used to generate .service and @.service file.
 		if [ -f files/build_templates/per_namespace/$($(docker:-dbg.gz=.gz)_CONTAINER_NAME).service.j2 ]; then
 			export multi_instance="true"
@@ -1360,16 +1352,6 @@ $(addprefix $(TARGET_PATH)/, $(SONIC_INSTALLERS)) : $(TARGET_PATH)/% : \
 			export multi_instance="false"
 			j2 files/build_templates/per_namespace/$($(docker:-dbg.gz=.gz)_CONTAINER_NAME).service.j2 > $($(docker:-dbg.gz=.gz)_CONTAINER_NAME).service
 		fi
-		# Any timer template, inside instance directory, will be used to generate .timer and @.timer file.
-		if [ -f files/build_templates/per_namespace/$($(docker:-dbg.gz=.gz)_CONTAINER_NAME).timer.j2 ]; then
-			export multi_instance="true"
-			j2 files/build_templates/per_namespace/$($(docker:-dbg.gz=.gz)_CONTAINER_NAME).timer.j2 > $($(docker:-dbg.gz=.gz)_CONTAINER_NAME)@.timer
-			$(if $(shell ls files/build_templates/per_namespace/$($(docker:-dbg.gz=.gz)_CONTAINER_NAME).timer.j2 2>/dev/null),\
-				$(eval $(docker:-dbg.gz=.gz)_TEMPLATE_TIMER = yes)
-			)
-			export multi_instance="false"
-			j2 files/build_templates/per_namespace/$($(docker:-dbg.gz=.gz)_CONTAINER_NAME).timer.j2 > $($(docker:-dbg.gz=.gz)_CONTAINER_NAME).timer
-		fi
 		# Any service template, inside share_image directory, will be used to generate -chassis.service file.
 		# TODO: need better way to name the image-shared service
 		if [ -f files/build_templates/share_image/$($(docker:-dbg.gz=.gz)_CONTAINER_NAME).service.j2 ]; then
@@ -1406,20 +1388,7 @@ $(addprefix $(TARGET_PATH)/, $(SONIC_INSTALLERS)) : $(TARGET_PATH)/% : \
 			$(eval SERVICES += "$(addsuffix -chassis.service, $($(docker:-dbg.gz=.gz)_CONTAINER_NAME))")
 		)
 	)
-	# Marks template timers with an "@" according to systemd convention
-	# If the $($docker)_TEMPLATE_TIMER) variable is set, the timer will be treated as a template
-	# If the $($docker)_GLOBAL_TIMER) and $($docker)_TEMPLATE_TIMER) variables are set the timer will be added both as a global and template timer.
-	$(foreach docker, $($*_DOCKERS),\
-		$(if $($(docker:-dbg.gz=.gz)_TEMPLATE_TIMER),\
-			$(if $($(docker:-dbg.gz=.gz)_GLOBAL_TIMER),\
-				$(eval TIMERS += "$(addsuffix .timer, $($(docker:-dbg.gz=.gz)_CONTAINER_NAME))")\
-			)\
-			$(eval TIMERS += "$(addsuffix @.timer, $($(docker:-dbg.gz=.gz)_CONTAINER_NAME))"),\
-			$(eval TIMERS += "$(addsuffix .timer, $($(docker:-dbg.gz=.gz)_CONTAINER_NAME))")
-		)
-	)
 	export installer_services="$(SERVICES)"
-	export installer_timers="$(TIMERS)"
 
 	export installer_extra_files="$(foreach docker, $($*_DOCKERS), $(foreach file, $($(docker:-dbg.gz=.gz)_BASE_IMAGE_FILES), $($(docker:-dbg.gz=.gz)_PATH)/base_image_files/$(file)))"
 
diff --git a/src/sonic-host-services b/src/sonic-host-services
index 2fdb64b49f9..b08e9400ff7 160000
--- a/src/sonic-host-services
+++ b/src/sonic-host-services
@@ -1 +1 @@
-Subproject commit 2fdb64b49f9597d39d09a230bc57b02e735882aa
+Subproject commit b08e9400ff7edf50620dda79c4d9f8634e89008c
diff --git a/src/sonic-utilities b/src/sonic-utilities
index ff032fe2102..a1057b27923 160000
--- a/src/sonic-utilities
+++ b/src/sonic-utilities
@@ -1 +1 @@
-Subproject commit ff032fe2102129069cfe4a263c8ba07f515dec18
+Subproject commit a1057b279233f484be550ee36bd4d4677794a407
diff --git a/src/sonic-yang-models/tests/files/sample_config_db.json b/src/sonic-yang-models/tests/files/sample_config_db.json
index 66adb918f34..021bac8b30e 100644
--- a/src/sonic-yang-models/tests/files/sample_config_db.json
+++ b/src/sonic-yang-models/tests/files/sample_config_db.json
@@ -1735,7 +1735,7 @@
                 "auto_restart": "enabled",
                 "has_global_scope": "False",
                 "has_per_asic_scope": "True",
-                "has_timer": "False",
+                "delayed": "False",
                 "high_mem_alert": "disabled",
                 "state": "enabled",
                 "set_owner": "local",
@@ -1746,7 +1746,7 @@
                 "auto_restart": "always_enabled",
                 "has_global_scope": "true",
                 "has_per_asic_scope": "true",
-                "has_timer": "false",
+                "delayed": "false",
                 "high_mem_alert": "disabled",
                 "state": "always_enabled",
                 "set_owner": "local",
@@ -1757,7 +1757,7 @@
                 "auto_restart": "enabled",
                 "has_global_scope": "true",
                 "has_per_asic_scope": "false",
-                "has_timer": "true",
+                "delayed": "true",
                 "high_mem_alert": "disabled",
                 "state": "enabled",
                 "set_owner": "kube",
@@ -1768,7 +1768,7 @@
                 "auto_restart": "enabled",
                 "has_global_scope": "false",
                 "has_per_asic_scope": "true",
-                "has_timer": "false",
+                "delayed": "false",
                 "high_mem_alert": "disabled",
                 "state": "enabled",
                 "set_owner": "local",
@@ -1779,7 +1779,7 @@
                 "auto_restart": "enabled",
                 "has_global_scope": "false",
                 "has_per_asic_scope": "true",
-                "has_timer": "false",
+                "delayed": "false",
                 "high_mem_alert": "disabled",
                 "state": "enabled",
                 "set_owner": "local",
@@ -1790,7 +1790,7 @@
                 "auto_restart": "enabled",
                 "has_global_scope": "false",
                 "has_per_asic_scope": "{% if not DEVICE_RUNTIME_METADATA['ETHERNET_PORTS_PRESENT'] or ('CHASSIS_METADATA' in DEVICE_RUNTIME_METADATA and DEVICE_RUNTIME_METADATA['CHASSIS_METADATA']['module_type'] in ['supervisor']) %}False{% else %}True{% endif %}",
-                "has_timer": "false",
+                "delayed": "false",
                 "high_mem_alert": "disabled",
                 "state": "enabled",
                 "set_owner": "kube",
@@ -1801,7 +1801,7 @@
                 "auto_restart": "enabled",
                 "has_global_scope": "false",
                 "has_per_asic_scope": "true",
-                "has_timer": "false",
+                "delayed": "false",
                 "high_mem_alert": "disabled",
                 "state": "{% if not (DEVICE_METADATA is defined and DEVICE_METADATA['localhost'] is defined and DEVICE_METADATA['localhost']['type'] is defined and DEVICE_METADATA['localhost']['type'] != 'ToRRouter') %}enabled{% else %}disabled{% endif %}",
                 "set_owner": "kube",
diff --git a/src/sonic-yang-models/tests/yang_model_tests/tests_config/feature.json b/src/sonic-yang-models/tests/yang_model_tests/tests_config/feature.json
index dcba0bd317a..c806c8b5668 100644
--- a/src/sonic-yang-models/tests/yang_model_tests/tests_config/feature.json
+++ b/src/sonic-yang-models/tests/yang_model_tests/tests_config/feature.json
@@ -7,7 +7,7 @@
                         "name": "database",
                         "state": "always_enabled",
                         "auto_restart": "always_enabled",
-                        "has_timer": "False",
+                        "delayed": "False",
                         "has_global_scope": "True",
                         "has_per_asic_scope": "True",
                         "set_owner": "local",
@@ -18,7 +18,7 @@
                         "name": "swss",
                         "state": "always_enabled",
                         "auto_restart": "always_enabled",
-                        "has_timer": "false",
+                        "delayed": "false",
                         "has_global_scope": "false",
                         "has_per_asic_scope": "true",
                         "set_owner": "local",
@@ -29,7 +29,7 @@
                         "name": "syncd",
                         "state": "always_enabled",
                         "auto_restart": "always_enabled",
-                        "has_timer": "false",
+                        "delayed": "false",
                         "has_global_scope": "false",
                         "has_per_asic_scope": "true",
                         "set_owner": "local",
@@ -40,7 +40,7 @@
                         "name": "snmp",
                         "state": "enabled",
                         "auto_restart": "enabled",
-                        "has_timer": "false",
+                        "delayed": "false",
                         "has_global_scope": "true",
                         "has_per_asic_scope": "false",
                         "set_owner": "kube",
@@ -51,7 +51,7 @@
                         "name": "lldp",
                         "state": "disabled",
                         "auto_restart": "disabled",
-                        "has_timer": "false",
+                        "delayed": "false",
                         "has_global_scope": "false",
                         "has_per_asic_scope": "{% if not DEVICE_RUNTIME_METADATA['ETHERNET_PORTS_PRESENT'] or ('CHASSIS_METADATA' in DEVICE_RUNTIME_METADATA and DEVICE_RUNTIME_METADATA['CHASSIS_METADATA']['module_type'] in ['supervisor']) %}False{% else %}True{% endif %}",
                         "set_owner": "kube",
@@ -62,7 +62,7 @@
                         "name": "dhcp_relay",
                         "state": "{% if not (DEVICE_METADATA is defined and DEVICE_METADATA['localhost'] is defined and DEVICE_METADATA['localhost']['type'] is defined and DEVICE_METADATA['localhost']['type'] != 'ToRRouter') %}enabled{% else %}disabled{% endif %}",
                         "auto_restart": "disabled",
-                        "has_timer": "false",
+                        "delayed": "false",
                         "has_global_scope": "false",
                         "has_per_asic_scope": "true",
                         "set_owner": "kube",
@@ -81,7 +81,7 @@
                         "name": "lldp",
                         "state": "disabled",
                         "auto_restart": "disabled",
-                        "has_timer": "false",
+                        "delayed": "false",
                         "has_global_scope": "false",
                         "has_per_asic_scope": "{% if not DEVICE_RUNTIME_METADATA['ETHERNET_PORTS_PRESENT'] or ('CHASSIS_METADATA' in DEVICE_RUNTIME_METADATA and DEVICE_RUNTIME_METADATA['CHASSIS_METADATA']['module_type'] in ['supervisor']) %}False{% else %}True{% endif %}",
                         "set_owner": "invalid",
@@ -100,7 +100,7 @@
                         "name": "lldp",
                         "state": "disabled",
                         "auto_restart": "disabled",
-                        "has_timer": "false",
+                        "delayed": "false",
                         "has_global_scope": "false",
                         "has_per_asic_scope": "{% if not DEVICE_RUNTIME_METADATA['ETHERNET_PORTS_PRESENT'] or ('CHASSIS_METADATA' in DEVICE_RUNTIME_METADATA and DEVICE_RUNTIME_METADATA['CHASSIS_METADATA']['module_type'] in ['supervisor']) %}False{% else %}True{% endif %}",
                         "check_up_status": "false",
@@ -119,7 +119,7 @@
                         "name": "database",
                         "state": "always_enabled",
                         "auto_restart": "always_enabled",
-                        "has_timer": "FALSE",
+                        "delayed": "FALSE",
                         "has_global_scope": "TRUE",
                         "has_per_asic_scope": "TRUE",
                         "check_up_status": "FALSE",
diff --git a/src/sonic-yang-models/yang-models/sonic-feature.yang b/src/sonic-yang-models/yang-models/sonic-feature.yang
index 4e514ff2f0f..410710a82f6 100644
--- a/src/sonic-yang-models/yang-models/sonic-feature.yang
+++ b/src/sonic-yang-models/yang-models/sonic-feature.yang
@@ -57,9 +57,9 @@ module sonic-feature{
                     default "enabled";
                 }
 
-                leaf has_timer {
-                    description "This configuration identicates if there is
-                                timer associated to this feature";
+                leaf delayed {
+                    description "This configuration identicates if the feature needs to be delayed until
+                                 system initialization";
                     type stypes:boolean_type;
                     default "false";
                 }