diff --git a/block.c b/block.c
index a91117abda5ce327047cf487ceeb28caa3cc3682..377dd247e23bbf254e2d888923d449b8f1ece4e0 100644
--- a/block.c
+++ b/block.c
@@ -107,6 +107,8 @@ static int bdrv_reopen_prepare(BDRVReopenState *reopen_state,
 static void bdrv_reopen_commit(BDRVReopenState *reopen_state);
 static void bdrv_reopen_abort(BDRVReopenState *reopen_state);
 
+static bool bdrv_backing_overridden(BlockDriverState *bs);
+
 /* If non-zero, use only whitelisted block drivers */
 static int use_bdrv_whitelist;
 
@@ -7543,7 +7545,7 @@ static bool append_strong_runtime_options(QDict *d, BlockDriverState *bs)
 /* Note: This function may return false positives; it may return true
  * even if opening the backing file specified by bs's image header
  * would result in exactly bs->backing. */
-bool bdrv_backing_overridden(BlockDriverState *bs)
+static bool bdrv_backing_overridden(BlockDriverState *bs)
 {
     if (bs->backing) {
         return strcmp(bs->auto_backing_file,
diff --git a/include/block/block_int.h b/include/block/block_int.h
index 701f031102a7437d5c93dd9d25f431f53d089271..1ada6cc12d80ab0693ff713adc0710c90d89f20f 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -1124,9 +1124,6 @@ BlockDriver *bdrv_probe_all(const uint8_t *buf, int buf_size,
 void bdrv_parse_filename_strip_prefix(const char *filename, const char *prefix,
                                       QDict *options);
 
-bool bdrv_backing_overridden(BlockDriverState *bs);
-
-
 /**
  * bdrv_add_aio_context_notifier:
  *