diff --git a/src/frontends/gnome/configure.ac b/src/frontends/gnome/configure.ac
index 7f342d535..0aee4a5d5 100644
--- a/src/frontends/gnome/configure.ac
+++ b/src/frontends/gnome/configure.ac
@@ -44,23 +44,12 @@ IT_PROG_INTLTOOL([0.35])
 AM_GLIB_GNU_GETTEXT
 
 PKG_CHECK_MODULES(GTK, gtk+-2.0 >= 2.6)
-AC_SUBST(GTK_CFLAGS)
-AC_SUBST(GTK_LIBS)
-
 PKG_CHECK_MODULES(LIBGNOMEUI, libgnomeui-2.0)
-AC_SUBST(LIBGNOMEUI_CFLAGS)
-AC_SUBST(LIBGNOMEUI_LIBS)
-
 PKG_CHECK_MODULES(GNOMEKEYRING, gnome-keyring-1)
-AC_SUBST(GNOMEKEYRING_CFLAGS)
-AC_SUBST(GNOMEKEYRING_LIBS)
-
 PKG_CHECK_EXISTS([libnm-glib],
 	[PKG_CHECK_MODULES(NM_UTILS, NetworkManager >= 0.9.0 libnm-util libnm-glib libnm-glib-vpn)],
 	[PKG_CHECK_MODULES(NM_UTILS, NetworkManager >= 0.9.0 libnm-util libnm_glib libnm_glib_vpn)]
 )
-AC_SUBST(NM_UTILS_CFLAGS)
-AC_SUBST(NM_UTILS_LIBS)
 
 AC_ARG_WITH(
 	[charon],