diff --git a/qemu-file.h b/qemu-file.h
index 289849a..8dd9207 100644
--- a/qemu-file.h
+++ b/qemu-file.h
@@ -103,7 +103,6 @@
 int64_t qemu_file_set_rate_limit(QEMUFile *f, int64_t new_rate);
 int64_t qemu_file_get_rate_limit(QEMUFile *f);
 int qemu_file_get_error(QEMUFile *f);
-void qemu_file_set_error(QEMUFile *f, int error);
 
 /* Try to send any outstanding data.  This function is useful when output is
  * halted due to rate limiting or EAGAIN errors occur as it can be used to
diff --git a/savevm.c b/savevm.c
index e44bede..dee6899 100644
--- a/savevm.c
+++ b/savevm.c
@@ -440,7 +440,7 @@
     return f->last_error;
 }
 
-void qemu_file_set_error(QEMUFile *f, int ret)
+static void qemu_file_set_error(QEMUFile *f, int ret)
 {
     f->last_error = ret;
 }