diff --git a/eclass/calculate-kernel-7.eclass b/eclass/calculate-kernel-7.eclass
index c72986126..1a4d74924 100644
--- a/eclass/calculate-kernel-7.eclass
+++ b/eclass/calculate-kernel-7.eclass
@@ -38,7 +38,7 @@ RDEPEND="${CDEPEND} vmlinuz? ( sys-kernel/dracut )"
 detect_version
 detect_arch
 
-IUSE="+vmlinuz uksm muqss pae minimal themes firmware +grub"
+IUSE="+vmlinuz pae minimal themes firmware +grub"
 
 if [[ ${KV_MAJOR} -lt 3 ]]
 then
diff --git a/sys-kernel/calculate-sources/calculate-sources-4.14.14.ebuild b/sys-kernel/calculate-sources/calculate-sources-4.14.14.ebuild
index 63d12adbc..1ac32339a 100644
--- a/sys-kernel/calculate-sources/calculate-sources-4.14.14.ebuild
+++ b/sys-kernel/calculate-sources/calculate-sources-4.14.14.ebuild
@@ -13,6 +13,8 @@ HOMEPAGE="http://www.calculate-linux.org"
 
 SRC_URI="${KERNEL_URI} ${ARCH_URI}"
 
+IUSE="uksm muqss"
+
 src_unpack() {
 	calculate-kernel-7_src_unpack
 }
diff --git a/sys-kernel/calculate-sources/calculate-sources-4.14.15.ebuild b/sys-kernel/calculate-sources/calculate-sources-4.14.15.ebuild
index bacb7052d..556666560 100644
--- a/sys-kernel/calculate-sources/calculate-sources-4.14.15.ebuild
+++ b/sys-kernel/calculate-sources/calculate-sources-4.14.15.ebuild
@@ -13,6 +13,8 @@ HOMEPAGE="http://www.calculate-linux.org"
 
 SRC_URI="${KERNEL_URI} ${ARCH_URI}"
 
+IUSE="uksm muqss"
+
 src_unpack() {
 	calculate-kernel-7_src_unpack
 }
diff --git a/sys-kernel/calculate-sources/calculate-sources-4.4.113.ebuild b/sys-kernel/calculate-sources/calculate-sources-4.4.113.ebuild
index bacb7052d..d23e11ae1 100644
--- a/sys-kernel/calculate-sources/calculate-sources-4.4.113.ebuild
+++ b/sys-kernel/calculate-sources/calculate-sources-4.4.113.ebuild
@@ -13,6 +13,8 @@ HOMEPAGE="http://www.calculate-linux.org"
 
 SRC_URI="${KERNEL_URI} ${ARCH_URI}"
 
+IUSE="uksm"
+
 src_unpack() {
 	calculate-kernel-7_src_unpack
 }
diff --git a/sys-kernel/calculate-sources/calculate-sources-4.9.78.ebuild b/sys-kernel/calculate-sources/calculate-sources-4.9.78.ebuild
index bacb7052d..556666560 100644
--- a/sys-kernel/calculate-sources/calculate-sources-4.9.78.ebuild
+++ b/sys-kernel/calculate-sources/calculate-sources-4.9.78.ebuild
@@ -13,6 +13,8 @@ HOMEPAGE="http://www.calculate-linux.org"
 
 SRC_URI="${KERNEL_URI} ${ARCH_URI}"
 
+IUSE="uksm muqss"
+
 src_unpack() {
 	calculate-kernel-7_src_unpack
 }