diff --git a/check/common.h b/check/common.h
index 3e0a5ebe..77a0ab54 100644
--- a/check/common.h
+++ b/check/common.h
@@ -72,4 +72,12 @@ static inline u8 imode_to_type(u32 imode)
 #undef S_SHIFT
 }
 
+static inline int fs_root_objectid(u64 objectid)
+{
+	if (objectid == BTRFS_TREE_RELOC_OBJECTID ||
+	    objectid == BTRFS_DATA_RELOC_TREE_OBJECTID)
+		return 1;
+	return is_fstree(objectid);
+}
+
 #endif
diff --git a/check/main.c b/check/main.c
index 79a2d595..04dd06d0 100644
--- a/check/main.c
+++ b/check/main.c
@@ -2168,8 +2168,6 @@ out:
 	return err;
 }
 
-static int fs_root_objectid(u64 objectid);
-
 /*
  * Update global fs information.
  */
@@ -4250,14 +4248,6 @@ skip_walking:
 	return ret;
 }
 
-static int fs_root_objectid(u64 objectid)
-{
-	if (objectid == BTRFS_TREE_RELOC_OBJECTID ||
-	    objectid == BTRFS_DATA_RELOC_TREE_OBJECTID)
-		return 1;
-	return is_fstree(objectid);
-}
-
 static int check_fs_roots(struct btrfs_fs_info *fs_info,
 			  struct cache_tree *root_cache)
 {