diff --git a/contrib/groff/tmac/doc-common b/contrib/groff/tmac/doc-common
index 5559c23fc49bff..6372a23990ba12 100644
--- a/contrib/groff/tmac/doc-common
+++ b/contrib/groff/tmac/doc-common
@@ -574,10 +574,7 @@
 .ds doc-operating-system-FreeBSD-8.0     8.0
 .ds doc-operating-system-FreeBSD-8.1     8.1
 .ds doc-operating-system-FreeBSD-8.2     8.2
-.ds doc-operating-system-FreeBSD-8.3     8.3
 .ds doc-operating-system-FreeBSD-9.0     9.0
-.ds doc-operating-system-FreeBSD-9.1     9.1
-.ds doc-operating-system-FreeBSD-10.0    10.0
 .
 .ds doc-operating-system-Darwin-8.0.0  8.0.0
 .ds doc-operating-system-Darwin-8.1.0  8.1.0
diff --git a/gnu/usr.bin/groff/tmac/mdoc.local b/gnu/usr.bin/groff/tmac/mdoc.local
index 3d0e9bb56712b2..4b035abd646473 100644
--- a/gnu/usr.bin/groff/tmac/mdoc.local
+++ b/gnu/usr.bin/groff/tmac/mdoc.local
@@ -49,6 +49,7 @@
 .\" FreeBSD releases not found in doc-common
 .ds doc-operating-system-FreeBSD-7.4    7.4
 .ds doc-operating-system-FreeBSD-8.3    8.3
+.ds doc-operating-system-FreeBSD-9.1    9.1
 .ds doc-operating-system-FreeBSD-10.0   10.0
 .
 .\" Definitions not (yet) in doc-syms