diff --git a/hgext3rd/fbamend/prune.py b/hgext3rd/fbamend/prune.py
--- a/hgext3rd/fbamend/prune.py
+++ b/hgext3rd/fbamend/prune.py
@@ -121,6 +121,8 @@
     prune multiple changesets with a single successor, you must pass the
     ``--fold`` option.
     """
+    ui.warn(_(
+        'advice: `hg hide` commnand provides a better UI for hiding commits\n'))
     revs = scmutil.revrange(repo, list(revs) + opts.get('rev', []))
     succs = opts.get('succ', [])
     bookmarks = set(opts.get('bookmark', ()))
diff --git a/tests/test-cleanobsstore.t b/tests/test-cleanobsstore.t
--- a/tests/test-cleanobsstore.t
+++ b/tests/test-cleanobsstore.t
@@ -12,12 +12,14 @@
   $ hg debugbuilddag +5
   $ hg up -q tip
   $ hg prune -r .
+  advice: `hg hide` commnand provides a better UI for hiding commits
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   working directory now at 2dc09a01254d
   1 changesets pruned
   $ hg debugobsolete
   bebd167eb94d257ace0e814aeb98e6972ed2970d 0 {2dc09a01254db841290af0538aa52f6f52c776e3} (*) {'user': 'test'} (glob)
   $ HGUSER=baduser hg prune -r .
+  advice: `hg hide` commnand provides a better UI for hiding commits
   0 files updated, 0 files merged, 0 files removed, 0 files unresolved
   working directory now at 01241442b3c2
   1 changesets pruned
@@ -41,6 +43,7 @@
   $ hg add 1
   $ hg ci -q -m 1
   $ HGUSER=baduser hg prune -q -r .
+  advice: `hg hide` commnand provides a better UI for hiding commits
   $ hg debugobsolete
   bebd167eb94d257ace0e814aeb98e6972ed2970d 0 {2dc09a01254db841290af0538aa52f6f52c776e3} (*) {'user': 'test'} (glob)
   73bce0eaaf9d039023d1b34421aceab146636d3e 0 {01241442b3c2bf3211e593b549c655ea65b295e3} (*) {'user': 'baduser'} (glob)
diff --git a/tests/test-fastpartialmatch-obsolete.t b/tests/test-fastpartialmatch-obsolete.t
--- a/tests/test-fastpartialmatch-obsolete.t
+++ b/tests/test-fastpartialmatch-obsolete.t
@@ -21,6 +21,7 @@
   $ cd repo
   $ mkcommit firstcommit
   $ hg prune .
+  advice: `hg hide` commnand provides a better UI for hiding commits
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   working directory now at 000000000000
   1 changesets pruned
@@ -29,6 +30,7 @@
   $ mkcommit first
   $ hg debugcheckpartialindex
   $ hg prune -q .
+  advice: `hg hide` commnand provides a better UI for hiding commits
   $ hg debugcheckpartialindex
 
 Try histedit
diff --git a/tests/test-fbamend-hiddenoverride.t b/tests/test-fbamend-hiddenoverride.t
--- a/tests/test-fbamend-hiddenoverride.t
+++ b/tests/test-fbamend-hiddenoverride.t
@@ -44,6 +44,7 @@
 Strip/prune unpins a node
 
   $ hg prune 1 -q
+  advice: `hg hide` commnand provides a better UI for hiding commits
   $ hg log -G -T '{rev} {desc}\n'
   o  2 C
   |
diff --git a/tests/test-infinitepush-backup.t b/tests/test-infinitepush-backup.t
--- a/tests/test-infinitepush-backup.t
+++ b/tests/test-infinitepush-backup.t
@@ -26,6 +26,7 @@
   finished in \d+\.(\d+)? seconds (re)
   $ mkcommit commit
   $ hg prune .
+  advice: `hg hide` commnand provides a better UI for hiding commits
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   working directory now at 000000000000
   1 changesets pruned
@@ -82,6 +83,7 @@
 Create obsoleted commit
   $ mkcommit obsoletedcommit
   $ hg prune .
+  advice: `hg hide` commnand provides a better UI for hiding commits
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   working directory now at 94a60f5ad8b2
   1 changesets pruned
@@ -186,6 +188,7 @@
 
 Obsolete a head, make sure backup happens
   $ hg prune .
+  advice: `hg hide` commnand provides a better UI for hiding commits
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   working directory now at 773a3ba2e7c2
   1 changesets pruned
@@ -360,6 +363,7 @@
 Make sure pushbackup works
   $ mkcommit toobsolete
   $ hg prune .
+  advice: `hg hide` commnand provides a better UI for hiding commits
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   working directory now at 630839011471
   1 changesets pruned
@@ -438,6 +442,7 @@
   remote:     6c4f4b30ae4c  headtwo
   finished in \d+\.(\d+)? seconds (re)
   $ hg prune 6c4f4b30ae4c2dd928d551836c70c741ee836650
+  advice: `hg hide` commnand provides a better UI for hiding commits
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   working directory now at 630839011471
   1 changesets pruned
diff --git a/tests/test-infinitepush-bundlestore.t b/tests/test-infinitepush-bundlestore.t
--- a/tests/test-infinitepush-bundlestore.t
+++ b/tests/test-infinitepush-bundlestore.t
@@ -423,6 +423,7 @@
   > evolution=createmarkers
   > EOF
   $ hg prune -r scratch/mybranch
+  advice: `hg hide` commnand provides a better UI for hiding commits
   1 changesets pruned
   $ hg log -r 'reverse(::scratch/mybranch)' -T '{desc}\n'
   scratchcommitwithpushrebase
@@ -451,6 +452,7 @@
   $ hg log -r scratch/mybranch -T '{node}\n'
   8872775dd97a750e1533dc1fbbca665644b32547
   $ hg prune -r scratch/mybranch
+  advice: `hg hide` commnand provides a better UI for hiding commits
   1 changesets pruned
   $ hg log -G -T '{node|short} {desc} {bookmarks}'
   @  fe8283fe1190 peercommit
diff --git a/tests/test-infinitepush-pullback-obsolete.t b/tests/test-infinitepush-pullback-obsolete.t
--- a/tests/test-infinitepush-pullback-obsolete.t
+++ b/tests/test-infinitepush-pullback-obsolete.t
@@ -40,6 +40,7 @@
   $ hg log -r . -T '{node}\n'
   edb281c9cc7e2e51c382b6f254d1967fdfa5e6ff
   $ hg prune .
+  advice: `hg hide` commnand provides a better UI for hiding commits
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   working directory now at 000000000000
   1 changesets pruned
diff --git a/tests/test-smartlog-obsolete.t b/tests/test-smartlog-obsolete.t
--- a/tests/test-smartlog-obsolete.t
+++ b/tests/test-smartlog-obsolete.t
@@ -189,6 +189,7 @@
   o  0 1ea73414a91b
   
   $ hg prune 2 -q
+  advice: `hg hide` commnand provides a better UI for hiding commits
   $ hg log -T "{rev} {node|short} {amendsuccessors % '(amend as {short(amendsuccessor)}) '}\n" -G -r 'all()'
   x  1 66f7d451a68b
   |
diff --git a/tests/test-tweakdefaults-bookmarks.t b/tests/test-tweakdefaults-bookmarks.t
--- a/tests/test-tweakdefaults-bookmarks.t
+++ b/tests/test-tweakdefaults-bookmarks.t
@@ -17,6 +17,7 @@
   $ echo 1 >> a
   $ hg commit a -m a1
   $ hg prune da7a5140a611 -q
+  advice: `hg hide` commnand provides a better UI for hiding commits
   $ hg bookmark b -r da7a5140a611 -q
 
 Same test but with remotenames enabled
diff --git a/tests/test-tweakdefaults.t b/tests/test-tweakdefaults.t
--- a/tests/test-tweakdefaults.t
+++ b/tests/test-tweakdefaults.t
@@ -563,6 +563,7 @@
 
 Test that we allow pure prune rebases
   $ hg strip 4
+  advice: `hg hide` commnand provides a better UI for hiding commits
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   working directory now at 1e4be0697311
   1 changesets pruned
@@ -711,6 +712,7 @@
   o  0
   
   $ hg bookmark -D feature1
+  advice: `hg hide` commnand provides a better UI for hiding commits
   bookmark 'feature1' deleted
   2 changesets pruned
   $ hg log -G -T '{rev} {bookmarks}' -r 'all()' --hidden
diff --git a/tests/test-undo.t b/tests/test-undo.t
--- a/tests/test-undo.t
+++ b/tests/test-undo.t
@@ -689,6 +689,7 @@
   > fbamend = $TESTDIR/../hgext3rd/fbamend/
   > EOF
   $ hg strip 3ee6
+  advice: `hg hide` commnand provides a better UI for hiding commits
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   working directory now at 75f63379f12b
   1 changesets pruned