diff --git a/src/libbpf.h b/src/libbpf.h
index 2f6f0e1..7111e8d 100644
--- a/src/libbpf.h
+++ b/src/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