diff --git a/share/mk/bsd.sys.mk b/share/mk/bsd.sys.mk
index dbda6fee087f..0d4571c428e4 100644
--- a/share/mk/bsd.sys.mk
+++ b/share/mk/bsd.sys.mk
@@ -131,11 +131,6 @@ CWARNFLAGS+=	-Wno-error=address			\
 		-Wno-error=unused-value
 .endif
 
-# GCC 5.3.0
-.if ${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} >= 50300
-CWARNFLAGS+=	-Wno-error=strict-overflow
-.endif
-
 # GCC 6.1.0
 .if ${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} >= 60100
 CWARNFLAGS+=	-Wno-error=misleading-indentation	\