diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -9,7 +9,7 @@
   'names' => array(
     'conpherence.pkg.css' => 'ff161f2d',
     'conpherence.pkg.js' => 'b5b51108',
-    'core.pkg.css' => '8ac2e6b8',
+    'core.pkg.css' => '5284a0e0',
     'core.pkg.js' => '1475bd91',
     'darkconsole.pkg.js' => '1f9a31bc',
     'differential.pkg.css' => 'a2755617',
@@ -71,7 +71,7 @@
     'rsrc/css/application/differential/revision-history.css' => '0e8eb855',
     'rsrc/css/application/differential/revision-list.css' => 'f3c47d33',
     'rsrc/css/application/differential/table-of-contents.css' => 'ae4b7a55',
-    'rsrc/css/application/diffusion/diffusion-history.css' => 'de70e348',
+    'rsrc/css/application/diffusion/diffusion-history.css' => 'cc283766',
     'rsrc/css/application/diffusion/diffusion-icons.css' => 'a6a1e2ba',
     'rsrc/css/application/diffusion/diffusion-readme.css' => '18bd3910',
     'rsrc/css/application/diffusion/diffusion-source.css' => '750add59',
@@ -175,7 +175,7 @@
     'rsrc/css/phui/phui-segment-bar-view.css' => 'b1d1b892',
     'rsrc/css/phui/phui-spacing.css' => '042804d6',
     'rsrc/css/phui/phui-status.css' => 'd5263e49',
-    'rsrc/css/phui/phui-tag-view.css' => '3fa7765e',
+    'rsrc/css/phui/phui-tag-view.css' => '93b084cf',
     'rsrc/css/phui/phui-timeline-view.css' => '313c7f22',
     'rsrc/css/phui/phui-two-column-view.css' => 'ce9fa0b7',
     'rsrc/css/phui/workboards/phui-workboard-color.css' => '783cdff5',
@@ -567,7 +567,7 @@
     'differential-revision-history-css' => '0e8eb855',
     'differential-revision-list-css' => 'f3c47d33',
     'differential-table-of-contents-css' => 'ae4b7a55',
-    'diffusion-history-css' => 'de70e348',
+    'diffusion-history-css' => 'cc283766',
     'diffusion-icons-css' => 'a6a1e2ba',
     'diffusion-readme-css' => '18bd3910',
     'diffusion-source-css' => '750add59',
@@ -867,7 +867,7 @@
     'phui-segment-bar-view-css' => 'b1d1b892',
     'phui-spacing-css' => '042804d6',
     'phui-status-list-view-css' => 'd5263e49',
-    'phui-tag-view-css' => '3fa7765e',
+    'phui-tag-view-css' => '93b084cf',
     'phui-theme-css' => '9f261c6b',
     'phui-timeline-view-css' => '313c7f22',
     'phui-two-column-view-css' => 'ce9fa0b7',
diff --git a/src/applications/diffusion/controller/DiffusionController.php b/src/applications/diffusion/controller/DiffusionController.php
--- a/src/applications/diffusion/controller/DiffusionController.php
+++ b/src/applications/diffusion/controller/DiffusionController.php
@@ -333,6 +333,7 @@
     $tag = id(new PHUITagView())
       ->setName($commit)
       ->setColor(PHUITagView::COLOR_INDIGO)
+      ->setBorder(PHUITagView::BORDER_NONE)
       ->setType(PHUITagView::TYPE_SHADE);
 
     return $tag;
diff --git a/src/applications/diffusion/view/DiffusionHistoryListView.php b/src/applications/diffusion/view/DiffusionHistoryListView.php
--- a/src/applications/diffusion/view/DiffusionHistoryListView.php
+++ b/src/applications/diffusion/view/DiffusionHistoryListView.php
@@ -110,7 +110,7 @@
             ->setType(PHUITagView::TYPE_SHADE)
             ->setColor(PHUITagView::COLOR_BLUE)
             ->setHref('/D'.$d_id)
-            ->addClass('diffusion-differential-tag')
+            ->setBorder(PHUITagView::BORDER_NONE)
             ->setSlimShady(true);
           }
       }
@@ -155,6 +155,7 @@
         ->setName($commit_name)
         ->setType(PHUITagView::TYPE_SHADE)
         ->setColor(PHUITagView::COLOR_INDIGO)
+        ->setBorder(PHUITagView::BORDER_NONE)
         ->setSlimShady(true);
 
       $item = id(new PHUIObjectItemView())
diff --git a/src/view/phui/PHUITagView.php b/src/view/phui/PHUITagView.php
--- a/src/view/phui/PHUITagView.php
+++ b/src/view/phui/PHUITagView.php
@@ -28,6 +28,8 @@
   const COLOR_OBJECT        = 'object';
   const COLOR_PERSON        = 'person';
 
+  const BORDER_NONE         = 'border-none';
+
   private $type;
   private $href;
   private $name;
@@ -40,6 +42,7 @@
   private $icon;
   private $shade;
   private $slimShady;
+  private $border;
 
   public function setType($type) {
     $this->type = $type;
@@ -104,6 +107,11 @@
     return $this;
   }
 
+  public function setBorder($border) {
+    $this->border = $border;
+    return $this;
+  }
+
   public function setIcon($icon) {
     $this->icon = $icon;
     return $this;
@@ -142,6 +150,10 @@
       $classes[] = 'phui-tag-icon-view';
     }
 
+    if ($this->border) {
+      $classes[] = 'phui-tag-'.$this->border;
+    }
+
     if ($this->phid) {
       Javelin::initBehavior('phui-hovercards');
 
diff --git a/webroot/rsrc/css/application/diffusion/diffusion-history.css b/webroot/rsrc/css/application/diffusion/diffusion-history.css
--- a/webroot/rsrc/css/application/diffusion/diffusion-history.css
+++ b/webroot/rsrc/css/application/diffusion/diffusion-history.css
@@ -7,14 +7,6 @@
   font-size: {$biggerfontsize};
 }
 
-.diffusion-history-list .phui-oi-attribute .phui-tag-core {
-  border-color: transparent;
-}
-
-.diffusion-history-list .phui-oi-attribute .phui-tag-indigo a {
-  color: {$indigo};
-}
-
 .diffusion-history-message {
   background-color: {$bluebackground};
   padding: 16px;
@@ -35,8 +27,3 @@
 .diffusion-history-list .diffusion-differential-tag {
   margin-left: 4px;
 }
-
-a.phui-tag-view:hover.diffusion-differential-tag .phui-tag-core {
-  border-color: transparent;
-  text-decoration: underline;
-}
diff --git a/webroot/rsrc/css/phui/phui-tag-view.css b/webroot/rsrc/css/phui/phui-tag-view.css
--- a/webroot/rsrc/css/phui/phui-tag-view.css
+++ b/webroot/rsrc/css/phui/phui-tag-view.css
@@ -154,6 +154,15 @@
   margin: 0 4px 2px 0;
 }
 
+.phui-tag-view.phui-tag-border-none .phui-tag-core {
+  border-color: transparent;
+}
+
+a.phui-tag-view:hover.phui-tag-border-none .phui-tag-core {
+  border-color: transparent !important;
+  text-decoration: underline;
+}
+
 
 /* - Shaded Tags ---------------------------------------------------------------