diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h
index 12b9d15911dcfef4b8956ebcaeb9074b45581205..59cf43955ad9b93940c8a3c228dbd2bd06700eef 100644
--- a/tools/lib/bpf/libbpf.h
+++ b/tools/lib/bpf/libbpf.h
@@ -83,6 +83,7 @@ struct bpf_object_open_opts {
 	 * Non-relocatable instructions are replaced with invalid ones to
 	 * prevent accidental errors.
 	 * */
+	LIBBPF_DEPRECATED_SINCE(0, 6, "field has no effect")
 	bool relaxed_core_relocs;
 	/* maps that set the 'pinning' attribute in their definition will have
 	 * their pin_path attribute set to a file in this directory, and be