diff --git a/recipes-core/images/core-image-ros-roscore.bb b/recipes-core/images/core-image-ros-roscore.bb
index a028e08..c679fdf 100644
--- a/recipes-core/images/core-image-ros-roscore.bb
+++ b/recipes-core/images/core-image-ros-roscore.bb
@@ -1,6 +1,6 @@
 DESCRIPTION = "A small image just capable of starting roscore."
 
-IMAGE_INSTALL = "packagegroup-core-boot ${ROOTFS_PKGMANAGE_BOOTSTRAP} ${CORE_IMAGE_EXTRA_INSTALL}"
+IMAGE_INSTALL = "packagegroup-core-boot ${CORE_IMAGE_EXTRA_INSTALL}"
 
 IMAGE_LINGUAS = " "
 
diff --git a/recipes-core/images/core-image-ros-world.bb b/recipes-core/images/core-image-ros-world.bb
index 26451d2..22cdb6f 100644
--- a/recipes-core/images/core-image-ros-world.bb
+++ b/recipes-core/images/core-image-ros-world.bb
@@ -1,6 +1,6 @@
 DESCRIPTION = "An image with packagegroup-ros-world installed"
 
-IMAGE_INSTALL = "packagegroup-core-boot ${ROOTFS_PKGMANAGE_BOOTSTRAP} ${CORE_IMAGE_EXTRA_INSTALL}"
+IMAGE_INSTALL = "packagegroup-core-boot ${CORE_IMAGE_EXTRA_INSTALL}"
 
 IMAGE_LINGUAS = " "