diff --git a/lib/libcbor/src/cbor/common.h b/lib/libcbor/src/cbor/common.h
index 410ef24d517..6a6f969f23f 100644
--- a/lib/libcbor/src/cbor/common.h
+++ b/lib/libcbor/src/cbor/common.h
@@ -83,11 +83,7 @@ extern bool _cbor_enable_assert;
 #define _CBOR_UNUSED(x) __attribute__((__unused__)) x
 // TODO(https://github.com/PJK/libcbor/issues/247): Prefer [[nodiscard]] if
 // available
-#if ((__GNUC__ == 3) && (__GNUC_MINOR__ >= 4)) || (__GNUC__ >= 4)
 #define _CBOR_NODISCARD __attribute__((warn_unused_result))
-#else	/* gcc3 can not treat warn_unused_result attribute */
-#define _CBOR_NODISCARD
-#endif
 #elif defined(_MSC_VER)
 #define _CBOR_UNUSED(x) __pragma(warning(suppress : 4100 4101)) x
 #define _CBOR_NODISCARD