diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 46342f0198f6b53cd16d50049441cb2320e54255..8e10eb7428ab076d23fb23001c9c5899eea986a2 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -251,7 +251,6 @@ DTC_FLAGS += -Wno-unit_address_vs_reg \
 	-Wno-avoid_unnecessary_addr_size \
 	-Wno-alias_paths \
 	-Wno-graph_child_address \
-	-Wno-graph_port \
 	-Wno-simple_bus_reg \
 	-Wno-unique_unit_address \
 	-Wno-pci_device_reg