diff --git a/mercurial/tags.py b/mercurial/tags.py
--- a/mercurial/tags.py
+++ b/mercurial/tags.py
@@ -272,7 +272,6 @@ def _readtagcache(ui, repo):
                     cachefnode[headnode] = fnode
         except Exception:
             # corruption of the tags cache, just recompute it
-            ui.warn(_('.hg/cache/tags is corrupt, rebuilding it\n'))
             cacheheads = []
             cacherevs = []
             cachefnode = {}
diff --git a/tests/test-tags.t b/tests/test-tags.t
--- a/tests/test-tags.t
+++ b/tests/test-tags.t
@@ -38,7 +38,6 @@ Try corrupting the cache
 
   $ printf 'a b' > .hg/cache/tags
   $ hg identify
-  .hg/cache/tags is corrupt, rebuilding it
   acb14030fe0a tip
   $ cacheexists
   tag cache exists