diff --git a/tests/headers/posix/dirent_h.c b/tests/headers/posix/dirent_h.c
index 6c61c8d..4ce0f18 100644
--- a/tests/headers/posix/dirent_h.c
+++ b/tests/headers/posix/dirent_h.c
@@ -34,8 +34,8 @@
   INCOMPLETE_TYPE(DIR);
 
   TYPE(struct dirent);
-#if defined(__BIONIC__) && !defined(__LP64__)
-  STRUCT_MEMBER(struct dirent, uint64_t, d_ino); // Historical ABI accident.
+#if defined(__BIONIC__) && !defined(__LP64__) // Historical ABI accident.
+  STRUCT_MEMBER(struct dirent, uint64_t, d_ino);
 #else
   STRUCT_MEMBER(struct dirent, ino_t, d_ino);
 #endif
diff --git a/tests/headers/posix/netinet_in_h.c b/tests/headers/posix/netinet_in_h.c
index 6e0be1c..cd89685 100644
--- a/tests/headers/posix/netinet_in_h.c
+++ b/tests/headers/posix/netinet_in_h.c
@@ -62,7 +62,7 @@
 
   TYPE(struct ipv6_mreq);
   STRUCT_MEMBER(struct ipv6_mreq, struct in6_addr, ipv6mr_multiaddr);
-#if defined(__BIONIC__)
+#if defined(__BIONIC__) // Currently comes from uapi header.
   STRUCT_MEMBER(struct ipv6_mreq, int, ipv6mr_interface);
 #else
   STRUCT_MEMBER(struct ipv6_mreq, unsigned, ipv6mr_interface);