diff --git a/meta/classes/multiarch.bbclass b/meta/classes/multiarch.bbclass
index 5c97453b..bb0f7983 100644
--- a/meta/classes/multiarch.bbclass
+++ b/meta/classes/multiarch.bbclass
@@ -3,8 +3,6 @@
 #
 # SPDX-License-Identifier: MIT
 
-BPN = "${PN}"
-
 inherit compat
 python() {
     # provide compat only when we can build it
diff --git a/meta/classes/sdk.bbclass b/meta/classes/sdk.bbclass
index 754fd4cd..ef9c03b2 100644
--- a/meta/classes/sdk.bbclass
+++ b/meta/classes/sdk.bbclass
@@ -9,7 +9,6 @@ inherit crossvars
 
 # hook up the -sdk image variant
 BBCLASSEXTEND = "sdk"
-BPN = "${PN}"
 
 python sdk_virtclass_handler() {
     pn = e.data.getVar('PN')
diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
index cda98035..13966a62 100644
--- a/meta/conf/bitbake.conf
+++ b/meta/conf/bitbake.conf
@@ -31,6 +31,7 @@ DEBSRCDIR = "${DL_DIR}/deb-src"
 P = "${PN}-${PV}"
 PF = "${PN}-${PV}-${PR}"
 PN = "${@bb.parse.vars_from_file(d.getVar('FILE', False),d)[0] or 'defaultpkgname'}"
+BPN = "${PN}"
 PV = "${@bb.parse.vars_from_file(d.getVar('FILE', False),d)[1] or '1.0'}"
 PR = "${@bb.parse.vars_from_file(d.getVar('FILE', False),d)[2] or 'r0'}"
 PROVIDES = ""