diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn
index fe327a4532ddb7ca128d6507233639dc97124f63..5582f5445f4ce5e42ac95fa98a48a16728df8df0 100644
--- a/scripts/Makefile.extrawarn
+++ b/scripts/Makefile.extrawarn
@@ -53,6 +53,9 @@ KBUILD_CFLAGS += $(call cc-disable-warning, pointer-to-enum-cast)
 KBUILD_CFLAGS += -Wno-tautological-constant-out-of-range-compare
 KBUILD_CFLAGS += $(call cc-disable-warning, unaligned-access)
 KBUILD_CFLAGS += $(call cc-disable-warning, cast-function-type-strict)
+KBUILD_CFLAGS += -Wno-declaration-after-statement
+KBUILD_CFLAGS += -Wno-strict-prototypes
+KBUILD_CFLAGS += -Wno-int-conversion
 endif
 
 endif