diff --git a/video/filter/vf_dlopen.c b/video/filter/vf_dlopen.c
index 5f41c427a9..2378b84674 100644
--- a/video/filter/vf_dlopen.c
+++ b/video/filter/vf_dlopen.c
@@ -44,7 +44,7 @@
 # define DLLSymbol(handle, name) dlsym(handle, name)
 #endif
 
-static struct vf_priv_s {
+struct vf_priv_s {
     char *cfg_dllname;
     int cfg_argc;
     char *cfg_argv[16];
@@ -69,7 +69,7 @@ static struct vf_priv_s {
     unsigned int outfmt;
 
     int argc;
-} const vf_priv_dflt = {};
+};
 
 struct fmtname {
     const char *name;
@@ -379,7 +379,6 @@ const vf_info_t vf_info_dlopen = {
     .name = "dlopen",
     .open = vf_open,
     .priv_size = sizeof(struct vf_priv_s),
-    .priv_defaults = &vf_priv_dflt,
     .options = vf_opts_fields,
 };
 
diff --git a/video/filter/vf_sub.c b/video/filter/vf_sub.c
index 643339c4eb..34f22e02ce 100644
--- a/video/filter/vf_sub.c
+++ b/video/filter/vf_sub.c
@@ -42,15 +42,13 @@
 
 #include "mpvcore/m_option.h"
 
-static const struct vf_priv_s {
+struct vf_priv_s {
     int opt_top_margin, opt_bottom_margin;
 
     int outh, outw;
 
     struct osd_state *osd;
     struct mp_osd_res dim;
-} vf_priv_dflt = {
-    0
 };
 
 static int config(struct vf_instance *vf,
@@ -150,6 +148,5 @@ const vf_info_t vf_info_sub = {
     .name = "sub",
     .open = vf_open,
     .priv_size = sizeof(struct vf_priv_s),
-    .priv_defaults = &vf_priv_dflt,
     .options = vf_opts_fields,
 };