diff --git a/contrib/libc-pwcache/pwcache.c b/contrib/libc-pwcache/pwcache.c
--- a/contrib/libc-pwcache/pwcache.c
+++ b/contrib/libc-pwcache/pwcache.c
@@ -77,7 +77,6 @@
 __RCSID("$NetBSD: pwcache.c,v 1.31 2010/03/23 20:28:59 drochner Exp $");
 #endif
 #endif /* LIBC_SCCS and not lint */
-__FBSDID("$FreeBSD$");
 
 #include "namespace.h"
 
diff --git a/contrib/libc-vis/unvis.c b/contrib/libc-vis/unvis.c
--- a/contrib/libc-vis/unvis.c
+++ b/contrib/libc-vis/unvis.c
@@ -37,7 +37,6 @@
 __RCSID("$NetBSD: unvis.c,v 1.45 2022/04/19 20:32:15 rillig Exp $");
 #endif
 #endif /* LIBC_SCCS and not lint */
-__FBSDID("$FreeBSD$");
 
 #include "namespace.h"
 #include <sys/types.h>
diff --git a/contrib/libc-vis/vis.c b/contrib/libc-vis/vis.c
--- a/contrib/libc-vis/vis.c
+++ b/contrib/libc-vis/vis.c
@@ -59,9 +59,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 __RCSID("$NetBSD: vis.c,v 1.83 2023/08/12 12:48:52 riastradh Exp $");
 #endif /* LIBC_SCCS and not lint */
-#ifdef __FBSDID
-__FBSDID("$FreeBSD$");
-#endif
 
 #include "namespace.h"
 #include <sys/types.h>