diff --git a/meta-quanta/conf/layer.conf b/meta-quanta/conf/layer.conf
index 6bc6492..ca07679 100644
--- a/meta-quanta/conf/layer.conf
+++ b/meta-quanta/conf/layer.conf
@@ -8,6 +8,3 @@
 BBFILE_COLLECTIONS += "quanta-layer"
 BBFILE_PATTERN_quanta-layer := "^${LAYERDIR}/"
 LAYERSERIES_COMPAT_quanta-layer = "thud warrior"
-
-# Provide a variable that points the base of the quanta layer.
-QUANTABASE = '${@os.path.normpath("${LAYERDIR}/")}'
diff --git a/meta-quanta/meta-f0b/recipes-phosphor/ipmi/f0b-ipmi-fru-read-inventory-native.bb b/meta-quanta/meta-f0b/recipes-phosphor/ipmi/f0b-ipmi-fru-read-inventory-native.bb
index 89d8610..ac198a1 100644
--- a/meta-quanta/meta-f0b/recipes-phosphor/ipmi/f0b-ipmi-fru-read-inventory-native.bb
+++ b/meta-quanta/meta-f0b/recipes-phosphor/ipmi/f0b-ipmi-fru-read-inventory-native.bb
@@ -1,7 +1,7 @@
 SUMMARY = "F0B inventory map for phosphor-ipmi-host"
 PR = "r1"
 LICENSE = "Apache-2.0"
-LIC_FILES_CHKSUM = "file://${QUANTABASE}/COPYING.apache-2.0;md5=34400b68072d710fecd0a2940a0d1658"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
 
 inherit native
 inherit phosphor-ipmi-host
diff --git a/meta-quanta/meta-f0b/recipes-phosphor/ipmi/f0b-ipmi-inventory-map-native.bb b/meta-quanta/meta-f0b/recipes-phosphor/ipmi/f0b-ipmi-inventory-map-native.bb
index 1831e59..edd8364 100644
--- a/meta-quanta/meta-f0b/recipes-phosphor/ipmi/f0b-ipmi-inventory-map-native.bb
+++ b/meta-quanta/meta-f0b/recipes-phosphor/ipmi/f0b-ipmi-inventory-map-native.bb
@@ -1,7 +1,7 @@
 SUMMARY = "F0B IPMI to DBus Inventory mapping."
 PR = "r1"
 LICENSE = "Apache-2.0"
-LIC_FILES_CHKSUM = "file://${QUANTABASE}/COPYING.apache-2.0;md5=34400b68072d710fecd0a2940a0d1658"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
 
 inherit native
 inherit phosphor-ipmi-fru
diff --git a/meta-quanta/meta-gsj/recipes-gsj/detect-fan-fail/detect-fan-fail.bb b/meta-quanta/meta-gsj/recipes-gsj/detect-fan-fail/detect-fan-fail.bb
index 86303c3..24ca38d 100644
--- a/meta-quanta/meta-gsj/recipes-gsj/detect-fan-fail/detect-fan-fail.bb
+++ b/meta-quanta/meta-gsj/recipes-gsj/detect-fan-fail/detect-fan-fail.bb
@@ -2,7 +2,7 @@
 DESCRIPTION = "OpenBMC Quanta Detect Fan Fail Daemon."
 PR = "r1"
 LICENSE = "Apache-2.0"
-LIC_FILES_CHKSUM = "file://${QUANTABASE}/COPYING.apache-2.0;md5=34400b68072d710fecd0a2940a0d1658"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
 
 inherit systemd
 
diff --git a/meta-quanta/meta-gsj/recipes-gsj/mac-address/mac-address.bb b/meta-quanta/meta-gsj/recipes-gsj/mac-address/mac-address.bb
index 8d3fbf3..37e4e44 100644
--- a/meta-quanta/meta-gsj/recipes-gsj/mac-address/mac-address.bb
+++ b/meta-quanta/meta-gsj/recipes-gsj/mac-address/mac-address.bb
@@ -2,7 +2,7 @@
 SRCREV = "${AUTOREV}"
 
 LICENSE = "Apache-2.0"
-LIC_FILES_CHKSUM = "file://${QUANTABASE}/COPYING.apache-2.0;md5=34400b68072d710fecd0a2940a0d1658"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
 
 inherit autotools pkgconfig
 inherit systemd
diff --git a/meta-quanta/meta-gsj/recipes-gsj/quanta-nvme-powerctrl/quanta-nvme-powerctrl.bb b/meta-quanta/meta-gsj/recipes-gsj/quanta-nvme-powerctrl/quanta-nvme-powerctrl.bb
index ada2a6a..887b503 100644
--- a/meta-quanta/meta-gsj/recipes-gsj/quanta-nvme-powerctrl/quanta-nvme-powerctrl.bb
+++ b/meta-quanta/meta-gsj/recipes-gsj/quanta-nvme-powerctrl/quanta-nvme-powerctrl.bb
@@ -2,7 +2,7 @@
 DESCRIPTION = "Phosphor OpenBMC Quanta NVME Power Control Daemon."
 PR = "r1"
 LICENSE = "Apache-2.0"
-LIC_FILES_CHKSUM = "file://${QUANTABASE}/COPYING.apache-2.0;md5=34400b68072d710fecd0a2940a0d1658"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
 
 FILESEXTRAPATHS_append := "${THISDIR}/files:"
 
diff --git a/meta-quanta/meta-gsj/recipes-gsj/usb-network/usb-network.bb b/meta-quanta/meta-gsj/recipes-gsj/usb-network/usb-network.bb
index 591ca5a..ad46c0b 100644
--- a/meta-quanta/meta-gsj/recipes-gsj/usb-network/usb-network.bb
+++ b/meta-quanta/meta-gsj/recipes-gsj/usb-network/usb-network.bb
@@ -1,6 +1,6 @@
 FILESEXTRAPATHS_append := "${THISDIR}/files:"
 LICENSE = "Apache-2.0"
-LIC_FILES_CHKSUM = "file://${QUANTABASE}/COPYING.apache-2.0;md5=34400b68072d710fecd0a2940a0d1658"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
 
 DEPENDS += "systemd"
 RDEPENDS_${PN} += "libsystemd"
diff --git a/meta-quanta/meta-gsj/recipes-phosphor/ipmi/gsj-ipmi-fru-read-inventory-native.bb b/meta-quanta/meta-gsj/recipes-phosphor/ipmi/gsj-ipmi-fru-read-inventory-native.bb
index 340955c..c6061a2 100644
--- a/meta-quanta/meta-gsj/recipes-phosphor/ipmi/gsj-ipmi-fru-read-inventory-native.bb
+++ b/meta-quanta/meta-gsj/recipes-phosphor/ipmi/gsj-ipmi-fru-read-inventory-native.bb
@@ -1,7 +1,7 @@
 SUMMARY = "gsj inventory map for phosphor-ipmi-host"
 PR = "r1"
 LICENSE = "Apache-2.0"
-LIC_FILES_CHKSUM = "file://${QUANTABASE}/COPYING.apache-2.0;md5=34400b68072d710fecd0a2940a0d1658"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
 
 inherit native
 inherit phosphor-ipmi-host
diff --git a/meta-quanta/meta-gsj/recipes-phosphor/ipmi/gsj-ipmi-inventory-map-native.bb b/meta-quanta/meta-gsj/recipes-phosphor/ipmi/gsj-ipmi-inventory-map-native.bb
index db3aaf2..d46a7ab 100644
--- a/meta-quanta/meta-gsj/recipes-phosphor/ipmi/gsj-ipmi-inventory-map-native.bb
+++ b/meta-quanta/meta-gsj/recipes-phosphor/ipmi/gsj-ipmi-inventory-map-native.bb
@@ -1,7 +1,7 @@
 SUMMARY = "gsj IPMI to DBus Inventory mapping."
 PR = "r1"
 LICENSE = "Apache-2.0"
-LIC_FILES_CHKSUM = "file://${QUANTABASE}/COPYING.apache-2.0;md5=34400b68072d710fecd0a2940a0d1658"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
 
 inherit native
 inherit phosphor-ipmi-fru
diff --git a/meta-quanta/meta-gsj/recipes-phosphor/ipmi/gsj-ipmi-sensor-map-native.bb b/meta-quanta/meta-gsj/recipes-phosphor/ipmi/gsj-ipmi-sensor-map-native.bb
index b716bf0..2389730 100644
--- a/meta-quanta/meta-gsj/recipes-phosphor/ipmi/gsj-ipmi-sensor-map-native.bb
+++ b/meta-quanta/meta-gsj/recipes-phosphor/ipmi/gsj-ipmi-sensor-map-native.bb
@@ -1,7 +1,7 @@
 SUMMARY = "Quanta gsj IPMI to DBus Sensor mapping."
 PR = "r1"
 LICENSE = "Apache-2.0"
-LIC_FILES_CHKSUM = "file://${QUANTABASE}/COPYING.apache-2.0;md5=34400b68072d710fecd0a2940a0d1658"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
 
 inherit native
 inherit phosphor-ipmi-host
diff --git a/meta-quanta/meta-gsj/recipes-phosphor/leds/gsj-led-manager-config-native.bb b/meta-quanta/meta-gsj/recipes-phosphor/leds/gsj-led-manager-config-native.bb
index c8a8291..a91420f 100644
--- a/meta-quanta/meta-gsj/recipes-phosphor/leds/gsj-led-manager-config-native.bb
+++ b/meta-quanta/meta-gsj/recipes-phosphor/leds/gsj-led-manager-config-native.bb
@@ -1,7 +1,7 @@
 SUMMARY = "Phosphor LED Group Management for gsj"
 PR = "r1"
 LICENSE = "Apache-2.0"
-LIC_FILES_CHKSUM = "file://${PHOSPHORBASE}/COPYING.apache-2.0;md5=34400b68072d710fecd0a2940a0d1658"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
 
 inherit native
 
diff --git a/meta-quanta/meta-q71l/recipes-phosphor/ipmi/q71l-ipmi-fru-merge-config-native.bb b/meta-quanta/meta-q71l/recipes-phosphor/ipmi/q71l-ipmi-fru-merge-config-native.bb
index 83bf5c2..f6db0c9 100644
--- a/meta-quanta/meta-q71l/recipes-phosphor/ipmi/q71l-ipmi-fru-merge-config-native.bb
+++ b/meta-quanta/meta-q71l/recipes-phosphor/ipmi/q71l-ipmi-fru-merge-config-native.bb
@@ -1,5 +1,5 @@
 LICENSE = "Apache-2.0"
-LIC_FILES_CHKSUM = "file://${QUANTABASE}/COPYING.apache-2.0;md5=34400b68072d710fecd0a2940a0d1658"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
 
 inherit native
 
diff --git a/meta-quanta/meta-q71l/recipes-phosphor/ipmi/q71l-ipmi-inventory-map-native.bb b/meta-quanta/meta-q71l/recipes-phosphor/ipmi/q71l-ipmi-inventory-map-native.bb
index dbb5917..85c085e 100644
--- a/meta-quanta/meta-q71l/recipes-phosphor/ipmi/q71l-ipmi-inventory-map-native.bb
+++ b/meta-quanta/meta-q71l/recipes-phosphor/ipmi/q71l-ipmi-inventory-map-native.bb
@@ -1,7 +1,7 @@
 SUMMARY = "Quanta-Q71l IPMI to DBus Inventory mapping."
 PR = "r1"
 LICENSE = "Apache-2.0"
-LIC_FILES_CHKSUM = "file://${QUANTABASE}/COPYING.apache-2.0;md5=34400b68072d710fecd0a2940a0d1658"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
 
 inherit native
 inherit phosphor-ipmi-fru
diff --git a/meta-quanta/meta-q71l/recipes-phosphor/ipmi/q71l-ipmi-sensor-map-native.bb b/meta-quanta/meta-q71l/recipes-phosphor/ipmi/q71l-ipmi-sensor-map-native.bb
index 07c53e4..0c595fa 100644
--- a/meta-quanta/meta-q71l/recipes-phosphor/ipmi/q71l-ipmi-sensor-map-native.bb
+++ b/meta-quanta/meta-q71l/recipes-phosphor/ipmi/q71l-ipmi-sensor-map-native.bb
@@ -1,7 +1,7 @@
 SUMMARY = "Quanta Q71l IPMI to DBus Sensor mapping."
 PR = "r1"
 LICENSE = "Apache-2.0"
-LIC_FILES_CHKSUM = "file://${QUANTABASE}/COPYING.apache-2.0;md5=34400b68072d710fecd0a2940a0d1658"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
 
 inherit native
 inherit phosphor-ipmi-host
diff --git a/meta-quanta/meta-q71l/recipes-phosphor/quanta-powerctrl/quanta-powerctrl.bb b/meta-quanta/meta-q71l/recipes-phosphor/quanta-powerctrl/quanta-powerctrl.bb
index f6f6458..37b27ac 100644
--- a/meta-quanta/meta-q71l/recipes-phosphor/quanta-powerctrl/quanta-powerctrl.bb
+++ b/meta-quanta/meta-q71l/recipes-phosphor/quanta-powerctrl/quanta-powerctrl.bb
@@ -1,6 +1,6 @@
 FILESEXTRAPATHS_append := "${THISDIR}/files:"
 LICENSE = "Apache-2.0"
-LIC_FILES_CHKSUM = "file://${QUANTABASE}/COPYING.apache-2.0;md5=34400b68072d710fecd0a2940a0d1658"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/files/common-licenses/Apache-2.0;md5=89aea4e17d99a7cacdbeed46a0096b10"
 
 inherit systemd
 inherit obmc-phosphor-systemd