diff --git a/sys/modules/ibcs2/Makefile b/sys/modules/ibcs2/Makefile
index e7ad32b8e610..9407cb40f2d0 100644
--- a/sys/modules/ibcs2/Makefile
+++ b/sys/modules/ibcs2/Makefile
@@ -11,6 +11,5 @@ SRCS=	ibcs2_errno.c ibcs2_ipc.c ibcs2_stat.c ibcs2_misc.c \
 	vnode_if.h opt_spx_hack.h
 
 CFLAGS+= -DCOMPAT_IBCS2
-EXPORT_SYMS= _ibcs2_mod _ibcs2_emul_path _ibcs2_svr3_sysvec
 
 .include <bsd.kmod.mk>
diff --git a/sys/modules/linux/Makefile b/sys/modules/linux/Makefile
index 982381941d79..c510b94940a4 100644
--- a/sys/modules/linux/Makefile
+++ b/sys/modules/linux/Makefile
@@ -15,7 +15,6 @@ OBJS=	linux_locore.o
 SRCS+=	imgact_linux.c
 .endif
 
-EXPORT_SYMS=	_linux_mod
 CLEANFILES=	linux_assym.h linux_genassym.o
 
 linux_assym.h: linux_genassym.o
diff --git a/sys/modules/osf1/Makefile b/sys/modules/osf1/Makefile
index a14551e7be01..33fec6865bb6 100644
--- a/sys/modules/osf1/Makefile
+++ b/sys/modules/osf1/Makefile
@@ -10,7 +10,6 @@ SRCS=	osf1_ioctl.c osf1_misc.c osf1_signal.c osf1_sysent.c \
 	opt_simos.h opt_nfs.h device_if.h bus_if.h vnode_if.h
 
 #CFLAGS+=  -g
-EXPORT_SYMS=	_osf1
 
 opt_compat.h:
 	echo "#define COMPAT_43 1" > ${.TARGET}
diff --git a/sys/modules/svr4/Makefile b/sys/modules/svr4/Makefile
index 2a4523f08582..47dd0dae6eaa 100644
--- a/sys/modules/svr4/Makefile
+++ b/sys/modules/svr4/Makefile
@@ -13,7 +13,6 @@ SRCS=	svr4_sysent.c svr4_sysvec.c opt_compat.h opt_svr4.h opt_vmpage.h \
 	svr4_resource.c svr4_ipc.c
 OBJS=	svr4_locore.o 
 
-EXPORT_SYMS=	_svr4_mod
 CLEANFILES=	svr4_assym.h svr4_genassym.o
 
 svr4_assym.h: svr4_genassym.o