diff --git a/debian/bin/gencontrol.py b/debian/bin/gencontrol.py
index 08c4f7f91..6c0701dce 100755
--- a/debian/bin/gencontrol.py
+++ b/debian/bin/gencontrol.py
@@ -61,7 +61,6 @@ class Gencontrol(Base):
             'VERSION': self.version.linux_version,
             'UPSTREAMVERSION': self.version.linux_upstream,
             'ABINAME': self.abiname_version + self.abiname_part,
-            'ABINAME_PART': self.abiname_part,
             'SOURCEVERSION': self.version.complete,
         })
 
@@ -131,7 +130,6 @@ class Gencontrol(Base):
                 abiname_part = self.abiname_part
             makeflags['ABINAME'] = vars['abiname'] = \
                 self.abiname_version + abiname_part
-            makeflags['ABINAME_PART'] = abiname_part
 
         if foreign_kernel:
             packages_headers_arch = []
diff --git a/debian/rules.real b/debian/rules.real
index 21d62380a..6f16e14dc 100644
--- a/debian/rules.real
+++ b/debian/rules.real
@@ -36,7 +36,7 @@ include debian/rules.defs
 
 stamp = [ -d $(dir $@) ] || mkdir $(dir $@); touch $@
 
-setup_env := env -u ABINAME -u ABINAME_PART -u ARCH -u FEATURESET -u FLAVOUR -u VERSION -u LOCALVERSION
+setup_env := env -u ABINAME -u ARCH -u FEATURESET -u FLAVOUR -u VERSION -u LOCALVERSION
 setup_env += DISTRIBUTION_OFFICIAL_BUILD=1 DISTRIBUTOR="$(DISTRIBUTOR)" DISTRIBUTION_VERSION="$(SOURCEVERSION)" KBUILD_BUILD_TIMESTAMP="$(DISTRIBUTOR) $(SOURCEVERSION) ($(SOURCE_DATE_UTC_ISO))" KBUILD_BUILD_USER="$(word 1,$(subst @, ,$(MAINTAINER)))" KBUILD_BUILD_HOST="$(word 2,$(subst @, ,$(MAINTAINER)))"
 
 MAKE_CLEAN = $(setup_env) $(MAKE)