diff --git a/recipes-phosphor/configuration/entity-manager/blocklist.json b/recipes-phosphor/configuration/entity-manager/blocklist.json
new file mode 100644
index 0000000..f112a7b
--- /dev/null
+++ b/recipes-phosphor/configuration/entity-manager/blocklist.json
@@ -0,0 +1,3 @@
+{
+    "buses": []
+}
diff --git a/recipes-phosphor/configuration/entity-manager/ibm-power10-cpu/blocklist.json b/recipes-phosphor/configuration/entity-manager/ibm-power10-cpu/blocklist.json
new file mode 100644
index 0000000..e0f80f6
--- /dev/null
+++ b/recipes-phosphor/configuration/entity-manager/ibm-power10-cpu/blocklist.json
@@ -0,0 +1,3 @@
+{
+    "buses": [100, 101, 110, 111, 112, 113, 114, 115, 202, 203, 210, 211, 214, 215, 216, 217, 300, 301, 310, 311, 312, 313, 314, 315, 402, 403, 410, 411, 414, 415, 416, 417]
+}
diff --git a/recipes-phosphor/configuration/entity-manager/ibm-power9-cpu/blocklist.json b/recipes-phosphor/configuration/entity-manager/ibm-power9-cpu/blocklist.json
new file mode 100644
index 0000000..2dbf22d
--- /dev/null
+++ b/recipes-phosphor/configuration/entity-manager/ibm-power9-cpu/blocklist.json
@@ -0,0 +1,3 @@
+{
+    "buses": [100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214]
+}
diff --git a/recipes-phosphor/configuration/entity-manager_git.bb b/recipes-phosphor/configuration/entity-manager_git.bb
index d028e69..4162b2b 100644
--- a/recipes-phosphor/configuration/entity-manager_git.bb
+++ b/recipes-phosphor/configuration/entity-manager_git.bb
@@ -2,7 +2,7 @@
 DESCRIPTION = "Entity Manager provides d-bus configuration data \
 and configures system sensors"
 
-SRC_URI = "git://github.com/openbmc/entity-manager.git"
+SRC_URI = "git://github.com/openbmc/entity-manager.git file://blocklist.json"
 SRCREV = "1034e026001ceafb64d828622557af25e0fa5a38"
 PV = "0.1+git${SRCPV}"
 
@@ -11,6 +11,7 @@
 
 SYSTEMD_SERVICE_${PN} = "xyz.openbmc_project.EntityManager.service \
                          ${@bb.utils.contains('DISTRO_FEATURES', 'ipmi-fru', 'xyz.openbmc_project.FruDevice.service', '', d)}"
+SYSTEMD_AUTO_ENABLE_${PN}_ibm-power-cpu = "disable"
 
 DEPENDS = "boost \
            nlohmann-json \
@@ -24,3 +25,7 @@
 
 PACKAGECONFIG ??= "${@bb.utils.filter('DISTRO_FEATURES', 'ipmi-fru', d)}"
 PACKAGECONFIG[ipmi-fru] = "-Dfru-device=true, -Dfru-device=false, i2c-tools,"
+
+do_install_append() {
+    install -D ${WORKDIR}/blocklist.json ${D}${datadir}/${BPN}/blacklist.json
+}