diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -8,7 +8,7 @@
 return array(
   'names' => array(
     'core.pkg.css' => 'b5618e4c',
-    'core.pkg.js' => 'e64447dc',
+    'core.pkg.js' => 'ef8f73ee',
     'darkconsole.pkg.js' => 'df001cab',
     'differential.pkg.css' => '8af45893',
     'differential.pkg.js' => '42c10e78',
@@ -371,7 +371,6 @@
     'rsrc/js/application/differential/behavior-edit-inline-comments.js' => '00861799',
     'rsrc/js/application/differential/behavior-keyboard-nav.js' => '2c426492',
     'rsrc/js/application/differential/behavior-populate.js' => 'bdb3e4d0',
-    'rsrc/js/application/differential/behavior-show-all-comments.js' => '7c273581',
     'rsrc/js/application/differential/behavior-show-field-details.js' => 'bba9eedf',
     'rsrc/js/application/differential/behavior-show-more.js' => 'dd7e8ef5',
     'rsrc/js/application/differential/behavior-toggle-files.js' => 'ca3f91eb',
@@ -624,7 +623,6 @@
     'javelin-behavior-phabricator-remarkup-assist' => 'e32d14ab',
     'javelin-behavior-phabricator-reveal-content' => '60821bc7',
     'javelin-behavior-phabricator-search-typeahead' => '724b1247',
-    'javelin-behavior-phabricator-show-all-transactions' => '7c273581',
     'javelin-behavior-phabricator-show-older-transactions' => '83458cbb',
     'javelin-behavior-phabricator-tooltips' => '3ee3408b',
     'javelin-behavior-phabricator-transaction-comment-form' => '9f7309fb',
@@ -1333,11 +1331,6 @@
       'javelin-stratcom',
       'javelin-util',
     ),
-    '7c273581' => array(
-      'javelin-behavior',
-      'javelin-stratcom',
-      'javelin-dom',
-    ),
     '7cbe244b' => array(
       'javelin-install',
       'javelin-util',
@@ -2095,7 +2088,7 @@
       'javelin-fx',
       'phabricator-draggable-list',
       'javelin-behavior-phabricator-transaction-list',
-      'javelin-behavior-phabricator-show-all-transactions',
+      'javelin-behavior-phabricator-show-older-transactions',
       'javelin-behavior-phui-timeline-dropdown-menu',
       'javelin-behavior-doorkeeper-tag',
     ),
diff --git a/resources/celerity/packages.php b/resources/celerity/packages.php
--- a/resources/celerity/packages.php
+++ b/resources/celerity/packages.php
@@ -66,7 +66,7 @@
     'javelin-fx',
     'phabricator-draggable-list',
     'javelin-behavior-phabricator-transaction-list',
-    'javelin-behavior-phabricator-show-all-transactions',
+    'javelin-behavior-phabricator-show-older-transactions',
     'javelin-behavior-phui-timeline-dropdown-menu',
     'javelin-behavior-doorkeeper-tag',
   ),
diff --git a/src/view/phui/PHUITimelineView.php b/src/view/phui/PHUITimelineView.php
--- a/src/view/phui/PHUITimelineView.php
+++ b/src/view/phui/PHUITimelineView.php
@@ -83,73 +83,25 @@
     }
 
     $events = array();
-    if ($hide) {
-      if ($this->getPager()) {
-
-        $events[] = javelin_tag(
-          'div',
-          array(
-            'sigil' => 'show-older-block',
-            'class' => 'phui-timeline-older-transactions-are-hidden',
-          ),
-          array(
-            pht('Older changes are hidden. '),
-            ' ',
-            javelin_tag(
-              'a',
-              array(
+    if ($hide && $this->getPager()) {
+      $events[] = javelin_tag(
+        'div',
+        array(
+          'sigil' => 'show-older-block',
+          'class' => 'phui-timeline-older-transactions-are-hidden',
+        ),
+        array(
+          pht('Older changes are hidden. '),
+          ' ',
+          javelin_tag(
+            'a',
+            array(
               'href' => (string) $this->getPager()->getNextPageURI(),
               'mustcapture' => true,
               'sigil' => 'show-older-link',
             ),
             pht('Show older changes.')),
-          ));
-
-      } else {
-
-        $hidden = phutil_implode_html($spacer, $hide);
-        $count = count($hide);
-
-        $show_id = celerity_generate_unique_node_id();
-        $hide_id = celerity_generate_unique_node_id();
-        $link_id = celerity_generate_unique_node_id();
-
-        Javelin::initBehavior(
-          'phabricator-show-all-transactions',
-          array(
-            'anchors' => array_filter(mpull($hide, 'getAnchor')),
-            'linkID' => $link_id,
-            'hideID' => $hide_id,
-            'showID' => $show_id,
-          ));
-
-        $events[] = phutil_tag(
-          'div',
-          array(
-            'id' => $hide_id,
-            'class' => 'phui-timeline-older-transactions-are-hidden',
-          ),
-          array(
-            pht('%s older changes(s) are hidden.', new PhutilNumber($count)),
-            ' ',
-            javelin_tag(
-              'a',
-              array(
-                'href' => '#',
-                'mustcapture' => true,
-                'id' => $link_id,
-              ),
-              pht('Show all changes.')),
-          ));
-
-        $events[] = phutil_tag(
-          'div',
-          array(
-            'id' => $show_id,
-            'style' => 'display: none',
-          ),
-          $hidden);
-      }
+        ));
     }
 
     if ($hide && $show) {
diff --git a/webroot/rsrc/js/application/differential/behavior-show-all-comments.js b/webroot/rsrc/js/application/differential/behavior-show-all-comments.js
deleted file mode 100644
--- a/webroot/rsrc/js/application/differential/behavior-show-all-comments.js
+++ /dev/null
@@ -1,66 +0,0 @@
-/**
- * @provides javelin-behavior-phabricator-show-all-transactions
- * @requires javelin-behavior
- *           javelin-stratcom
- *           javelin-dom
- */
-
-/**
- * Automatically show older transactions if the user follows an anchor to a
- * transaction which is hidden by the "N older changes are hidden." shield.
- */
-JX.behavior('phabricator-show-all-transactions', function(config) {
-
-  var revealed = false;
-
-  function get_hash() {
-    return window.location.hash.replace(/^#/, '');
-  }
-
-  function hash_is_hidden() {
-    var hash = get_hash();
-    for (var ii = 0; ii < config.anchors.length; ii++) {
-      if (config.anchors[ii] == hash) {
-        return true;
-      }
-    }
-    return false;
-  }
-
-  function reveal() {
-    if (revealed) {
-      return false;
-    }
-
-    JX.DOM.hide(JX.$(config.hideID));
-    JX.DOM.show(JX.$(config.showID));
-    revealed = true;
-
-    return true;
-  }
-
-  function check_hash() {
-    if (hash_is_hidden()) {
-      if (reveal()) {
-        try {
-          var target = JX.$(get_hash());
-          JX.DOM.scrollTo(target);
-        } catch (ignored) {
-          // We did our best.
-        }
-      }
-    }
-  }
-
-  JX.DOM.listen(
-    JX.$(config.linkID),
-    'click',
-    null,
-    function (e) {
-      e.kill();
-      reveal();
-    });
-
-  JX.Stratcom.listen('hashchange', null, check_hash);
-  check_hash();
-});