diff --git a/gnu/usr.bin/groff/Makefile b/gnu/usr.bin/groff/Makefile
index 7c61f71be945..2db554f6d408 100644
--- a/gnu/usr.bin/groff/Makefile
+++ b/gnu/usr.bin/groff/Makefile
@@ -2,4 +2,8 @@
 
 SUBDIR=		contrib doc font man src tmac
 
+.for subdir in ${SUBDIR:Nsrc}
+SUBDIR_DEPEND_${subdir}=	src
+.endfor
+
 .include <bsd.subdir.mk>
diff --git a/gnu/usr.bin/groff/src/Makefile b/gnu/usr.bin/groff/src/Makefile
index 7d2ca90a2252..291b27c9d56a 100644
--- a/gnu/usr.bin/groff/src/Makefile
+++ b/gnu/usr.bin/groff/src/Makefile
@@ -2,4 +2,10 @@
 
 SUBDIR=		libs devices preproc roff utils
 
+SUBDIR_PARALLEL=
+
+.for subdir in ${SUBDIR:Nlibs}
+SUBDIR_DEPEND_${subdir}=	libs
+.endfor
+
 .include <bsd.subdir.mk>
diff --git a/gnu/usr.bin/groff/src/devices/Makefile b/gnu/usr.bin/groff/src/devices/Makefile
index 8af4ff85b996..53dc4ed1581a 100644
--- a/gnu/usr.bin/groff/src/devices/Makefile
+++ b/gnu/usr.bin/groff/src/devices/Makefile
@@ -2,4 +2,6 @@
 
 SUBDIR=		grodvi grohtml grolbp grolj4 grops grotty
 
+SUBDIR_PARALLEL=
+
 .include <bsd.subdir.mk>
diff --git a/gnu/usr.bin/groff/src/libs/Makefile b/gnu/usr.bin/groff/src/libs/Makefile
index 1461cda28bac..373831492640 100644
--- a/gnu/usr.bin/groff/src/libs/Makefile
+++ b/gnu/usr.bin/groff/src/libs/Makefile
@@ -2,4 +2,6 @@
 
 SUBDIR=		libgroff libdriver libbib
 
+SUBDIR_PARALLEL=
+
 .include <bsd.subdir.mk>
diff --git a/gnu/usr.bin/groff/src/preproc/Makefile b/gnu/usr.bin/groff/src/preproc/Makefile
index 70af839313d6..f208bf2389be 100644
--- a/gnu/usr.bin/groff/src/preproc/Makefile
+++ b/gnu/usr.bin/groff/src/preproc/Makefile
@@ -2,4 +2,6 @@
 
 SUBDIR=		eqn grn html pic refer soelim tbl
 
+SUBDIR_PARALLEL=
+
 .include <bsd.subdir.mk>
diff --git a/gnu/usr.bin/groff/src/roff/Makefile b/gnu/usr.bin/groff/src/roff/Makefile
index 543a990c680f..6f23c42c95a8 100644
--- a/gnu/usr.bin/groff/src/roff/Makefile
+++ b/gnu/usr.bin/groff/src/roff/Makefile
@@ -2,4 +2,6 @@
 
 SUBDIR=		groff grog nroff psroff troff
 
+SUBDIR_PARALLEL=
+
 .include <bsd.subdir.mk>
diff --git a/gnu/usr.bin/groff/src/utils/Makefile b/gnu/usr.bin/groff/src/utils/Makefile
index 14953b925312..045030cb4417 100644
--- a/gnu/usr.bin/groff/src/utils/Makefile
+++ b/gnu/usr.bin/groff/src/utils/Makefile
@@ -2,4 +2,6 @@
 
 SUBDIR=		addftinfo afmtodit hpftodit indxbib lkbib lookbib pfbtops tfmtodit
 
+SUBDIR_PARALLEL=
+
 .include <bsd.subdir.mk>