diff --git a/share/mk/bsd.subdir.mk b/share/mk/bsd.subdir.mk
index 0692f40cfe1d..8a40186c5f45 100644
--- a/share/mk/bsd.subdir.mk
+++ b/share/mk/bsd.subdir.mk
@@ -6,6 +6,7 @@
 .if !defined(NOSUBDIR)					# {
 
 .for dir in ${SUBDIR}
+.if ("${dir}" != "USD.doc" && "${dir}" != "PSD.doc" && "${dir}" != "SMM.doc") || ${MKGROFF} == "yes"
 .if "${dir}" == ".WAIT"
 # Don't play with .WAIT
 __REALSUBDIR+=${dir}
@@ -26,6 +27,7 @@ __REALSUBDIR+=${dir}
 .endif
 .endif
 .endif
+.endif
 .endfor
 
 __recurse: .USE