diff --git a/package/x11r7/xserver_xorg-server/xserver_xorg-server.mk b/package/x11r7/xserver_xorg-server/xserver_xorg-server.mk
index 14f8104767..a33cb25076 100644
--- a/package/x11r7/xserver_xorg-server/xserver_xorg-server.mk
+++ b/package/x11r7/xserver_xorg-server/xserver_xorg-server.mk
@@ -47,6 +47,7 @@ XSERVER_XORG_SERVER_CONF_OPTS = \
 	--disable-xnest \
 	--disable-xephyr \
 	--disable-dmx \
+	--disable-unit-tests \
 	--with-builder-addr=buildroot@buildroot.org \
 	CFLAGS="$(TARGET_CFLAGS) -I$(STAGING_DIR)/usr/include/pixman-1 -O2" \
 	--with-fontrootdir=/usr/share/fonts/X11/ \