diff --git a/docs/libnm-glib/Makefile.am b/docs/libnm-glib/Makefile.am
index cd96c046ce..23edb25b32 100644
--- a/docs/libnm-glib/Makefile.am
+++ b/docs/libnm-glib/Makefile.am
@@ -72,7 +72,6 @@ extra_files = libnm-glib.png
 GTKDOC_CFLAGS =				\
 	-I$(top_srcdir)/include		\
 	-I$(top_srcdir)/libnm-util	\
-	-I$(top_builddir)/marshallers	\
 	-I$(top_srcdir)/libnm-glib	\
 	$(GLIB_CFLAGS)			\
 	$(DBUS_CFLAGS)
diff --git a/docs/libnm-util/Makefile.am b/docs/libnm-util/Makefile.am
index 89a5db9872..89462664d4 100644
--- a/docs/libnm-util/Makefile.am
+++ b/docs/libnm-util/Makefile.am
@@ -50,7 +50,6 @@ extra_files =
 GTKDOC_CFLAGS =				\
 	-I$(top_srcdir)/include		\
 	-I$(top_srcdir)/libnm-util	\
-	-I$(top_builddir)/marshallers	\
 	$(GLIB_CFLAGS)			\
 	$(DBUS_CFLAGS)