diff --git a/chardev/spice.c b/chardev/spice.c
index bf7ea1e294..051c23a84f 100644
--- a/chardev/spice.c
+++ b/chardev/spice.c
@@ -296,10 +296,10 @@ static void qemu_chr_open_spice_vmc(Chardev *chr,
     chr_open(chr, type);
 }
 
-void qemu_chr_open_spice_port(Chardev *chr,
-                              ChardevBackend *backend,
-                              bool *be_opened,
-                              Error **errp)
+static void qemu_chr_open_spice_port(Chardev *chr,
+                                     ChardevBackend *backend,
+                                     bool *be_opened,
+                                     Error **errp)
 {
     ChardevSpicePort *spiceport = backend->u.spiceport.data;
     const char *name = spiceport->fqdn;
diff --git a/include/chardev/spice.h b/include/chardev/spice.h
index 99f26aedde..1115502cdf 100644
--- a/include/chardev/spice.h
+++ b/include/chardev/spice.h
@@ -24,7 +24,4 @@ typedef struct SpiceChardev SpiceChardev;
 DECLARE_INSTANCE_CHECKER(SpiceChardev, SPICE_CHARDEV,
                          TYPE_CHARDEV_SPICE)
 
-void qemu_chr_open_spice_port(Chardev *chr, ChardevBackend *backend,
-                              bool *be_opened, Error **errp);
-
 #endif