diff --git a/meta-poky/conf/distro/poky.conf b/meta-poky/conf/distro/poky.conf
index 5285753c31..bf5aa6035c 100644
--- a/meta-poky/conf/distro/poky.conf
+++ b/meta-poky/conf/distro/poky.conf
@@ -61,6 +61,7 @@ require conf/distro/include/poky-world-exclude.inc
 require conf/distro/include/no-static-libs.inc
 require conf/distro/include/yocto-uninative.inc
 require conf/distro/include/security_flags.inc
+require conf/distro/include/yocto-space-optimize.inc
 INHERIT += "uninative"
 
 BB_SIGNATURE_HANDLER ?= "OEEquivHash"