diff --git a/lib/libc/sys/setcontext.c b/lib/libc/sys/setcontext.c
index 301cca84c4f9..96b5dc115067 100644
--- a/lib/libc/sys/setcontext.c
+++ b/lib/libc/sys/setcontext.c
@@ -36,6 +36,7 @@
 __weak_reference(__sys_setcontext, __setcontext);
 __sym_compat(setcontext, __impl_setcontext, FBSD_1.0);
 __weak_reference(setcontext, __impl_setcontext);
+__sym_default(setcontext, setcontext, FBSD_1.2);
 
 #pragma weak setcontext
 int
diff --git a/lib/libc/sys/swapcontext.c b/lib/libc/sys/swapcontext.c
index 42793a516c70..b69a5b19e698 100644
--- a/lib/libc/sys/swapcontext.c
+++ b/lib/libc/sys/swapcontext.c
@@ -38,6 +38,7 @@
 __weak_reference(__sys_swapcontext, __swapcontext);
 __sym_compat(swapcontext, __impl_swapcontext, FBSD_1.0);
 __weak_reference(swapcontext, __impl_swapcontext);
+__sym_default(swapcontext, swapcontext, FBSD_1.2);
 
 #pragma weak swapcontext
 int
diff --git a/lib/libsys/Symbol.sys.map b/lib/libsys/Symbol.sys.map
index 0fc11fa0366e..25359830fd88 100644
--- a/lib/libsys/Symbol.sys.map
+++ b/lib/libsys/Symbol.sys.map
@@ -301,8 +301,6 @@ FBSD_1.2 {
 	cap_getmode;
 	getloginclass;
 	getpagesizes;
-	openat;
-	pdfork;
 	pdgetpid;
 	pdkill;
 	posix_fallocate;
@@ -311,9 +309,7 @@ FBSD_1.2 {
 	rctl_get_limits;
 	rctl_add_rule;
 	rctl_remove_rule;
-	setcontext;
 	setloginclass;
-	swapcontext;
 };
 
 FBSD_1.3 {
diff --git a/lib/libsys/openat.c b/lib/libsys/openat.c
index 74227377f4a2..a92ce54a3d28 100644
--- a/lib/libsys/openat.c
+++ b/lib/libsys/openat.c
@@ -52,6 +52,7 @@ __weak_reference(_openat, __openat);
 #endif
 __sym_compat(openat, __impl_openat, FBSD_1.1);
 __weak_reference(openat, __impl_openat);
+__sym_default(openat, openat, FBSD_1.2);
 
 #pragma weak openat
 int