diff --git a/Makefile.mk b/Makefile.mk
index 0358c88..e642ac7 100644
--- a/Makefile.mk
+++ b/Makefile.mk
@@ -501,7 +501,7 @@
 CFLAGS_common += -fstrict-aliasing -ffunction-sections -fdata-sections -fno-pie
 CFLAGS_common += -Wstring-compare
 ifeq ($(CONFIG_COMPILER_GCC),y)
-CFLAGS_common += -Wold-style-declaration -Wflex-array-member-not-at-end
+CFLAGS_common += -Wold-style-declaration
 # Don't add these GCC specific flags when running scan-build
 ifeq ($(CCC_ANALYZER_OUTPUT_FORMAT),)
 CFLAGS_common += -Wno-packed-not-aligned