Index: head/sys/conf/kern.mk
===================================================================
--- head/sys/conf/kern.mk
+++ head/sys/conf/kern.mk
@@ -58,7 +58,6 @@
 		-Wno-error=maybe-uninitialized			\
 		-Wno-error=overflow				\
 		-Wno-error=sequence-point			\
-		-Wno-error=strict-overflow			\
 		-Wno-error=unused-but-set-variable
 .if ${COMPILER_VERSION} >= 60100
 CWARNEXTRA+=	-Wno-error=misleading-indentation		\