diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -148,7 +148,6 @@
     'rsrc/css/phui/phui-workpanel-view.css' => '198c7e6c',
     'rsrc/css/sprite-apps-large.css' => '20ec0cc0',
     'rsrc/css/sprite-apps.css' => 'd5baed0f',
-    'rsrc/css/sprite-conpherence.css' => '3b4a0487',
     'rsrc/css/sprite-docs.css' => '5f65d0da',
     'rsrc/css/sprite-gradient.css' => '4bdb98a7',
     'rsrc/css/sprite-login.css' => 'a355d921',
@@ -817,7 +816,6 @@
     'setup-issue-css' => '8f852bc0',
     'sprite-apps-css' => 'd5baed0f',
     'sprite-apps-large-css' => '20ec0cc0',
-    'sprite-conpherence-css' => '3b4a0487',
     'sprite-docs-css' => '5f65d0da',
     'sprite-gradient-css' => '4bdb98a7',
     'sprite-login-css' => 'a355d921',
diff --git a/resources/sprite/conpherence_1x/calendar_off.png b/resources/sprite/conpherence_1x/calendar_off.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_1x/calendar_on.png b/resources/sprite/conpherence_1x/calendar_on.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_1x/conversation_off.png b/resources/sprite/conpherence_1x/conversation_off.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_1x/conversation_on.png b/resources/sprite/conpherence_1x/conversation_on.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_1x/files_off.png b/resources/sprite/conpherence_1x/files_off.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_1x/files_on.png b/resources/sprite/conpherence_1x/files_on.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_1x/list_off.png b/resources/sprite/conpherence_1x/list_off.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_1x/list_on.png b/resources/sprite/conpherence_1x/list_on.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_1x/more_off.png b/resources/sprite/conpherence_1x/more_off.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_1x/more_on.png b/resources/sprite/conpherence_1x/more_on.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_1x/people_off.png b/resources/sprite/conpherence_1x/people_off.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_1x/people_on.png b/resources/sprite/conpherence_1x/people_on.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_1x/settings_off.png b/resources/sprite/conpherence_1x/settings_off.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_1x/settings_on.png b/resources/sprite/conpherence_1x/settings_on.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_2x/calendar_off.png b/resources/sprite/conpherence_2x/calendar_off.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_2x/calendar_on.png b/resources/sprite/conpherence_2x/calendar_on.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_2x/conversation_off.png b/resources/sprite/conpherence_2x/conversation_off.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_2x/conversation_on.png b/resources/sprite/conpherence_2x/conversation_on.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_2x/files_off.png b/resources/sprite/conpherence_2x/files_off.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_2x/files_on.png b/resources/sprite/conpherence_2x/files_on.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_2x/list_off.png b/resources/sprite/conpherence_2x/list_off.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_2x/list_on.png b/resources/sprite/conpherence_2x/list_on.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_2x/more_off.png b/resources/sprite/conpherence_2x/more_off.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_2x/more_on.png b/resources/sprite/conpherence_2x/more_on.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_2x/people_off.png b/resources/sprite/conpherence_2x/people_off.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_2x/people_on.png b/resources/sprite/conpherence_2x/people_on.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_2x/settings_off.png b/resources/sprite/conpherence_2x/settings_off.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/conpherence_2x/settings_on.png b/resources/sprite/conpherence_2x/settings_on.png
deleted file mode 100644
index 0000000000000000000000000000000000000000..0000000000000000000000000000000000000000
GIT binary patch
literal 0
Hc$@<O00001

literal 0
Hc$@<O00001

diff --git a/resources/sprite/manifest/conpherence.json b/resources/sprite/manifest/conpherence.json
deleted file mode 100644
--- a/resources/sprite/manifest/conpherence.json
+++ /dev/null
@@ -1,81 +0,0 @@
-{
-  "version" : 1,
-  "sprites" : {
-    "conpherence_calendar_off"     : {
-      "name" : "conpherence_calendar_off",
-      "rule" : ".conpherence_calendar_off",
-      "hash" : "e796dcc485ac1c7538077602dec9d19d"
-    },
-    "conpherence_calendar_on"      : {
-      "name" : "conpherence_calendar_on",
-      "rule" : ".conpherence_calendar_on, .device-desktop .conpherence_calendar_off:hover ",
-      "hash" : "da4b7152589b0eb36834bfeda6b55c69"
-    },
-    "conpherence_conversation_off" : {
-      "name" : "conpherence_conversation_off",
-      "rule" : ".conpherence_conversation_off",
-      "hash" : "74cf53c92e7ad9ad3a852adfb0e655f4"
-    },
-    "conpherence_conversation_on"  : {
-      "name" : "conpherence_conversation_on",
-      "rule" : ".conpherence_conversation_on, .device-desktop .conpherence_conversation_off:hover ",
-      "hash" : "e8c73f0fcf11cf7fe1b252ede2211b34"
-    },
-    "conpherence_files_off"        : {
-      "name" : "conpherence_files_off",
-      "rule" : ".conpherence_files_off",
-      "hash" : "44643c3e1ac4eb2d46fbb256220e5957"
-    },
-    "conpherence_files_on"         : {
-      "name" : "conpherence_files_on",
-      "rule" : ".conpherence_files_on, .device-desktop .conpherence_files_off:hover ",
-      "hash" : "9f7bab94f1afcacce64762023ad53974"
-    },
-    "conpherence_list_off"         : {
-      "name" : "conpherence_list_off",
-      "rule" : ".conpherence_list_off",
-      "hash" : "28326e81ee1fb2c7b615f42a95d7429b"
-    },
-    "conpherence_list_on"          : {
-      "name" : "conpherence_list_on",
-      "rule" : ".conpherence_list_on, .device-desktop .conpherence_list_off:hover ",
-      "hash" : "ee13901236f1f5a7db2d682ddc6884ce"
-    },
-    "conpherence_more_off"         : {
-      "name" : "conpherence_more_off",
-      "rule" : ".conpherence_more_off",
-      "hash" : "2c0e47c834fa96248b70d7b8c9a4a931"
-    },
-    "conpherence_more_on"          : {
-      "name" : "conpherence_more_on",
-      "rule" : ".conpherence_more_on, .device-desktop .conpherence_more_off:hover ",
-      "hash" : "6eefff663beef44f01d438ddda54a8b7"
-    },
-    "conpherence_people_off"       : {
-      "name" : "conpherence_people_off",
-      "rule" : ".conpherence_people_off",
-      "hash" : "fccd3f5b8fe2e0af32dcb58b912153c9"
-    },
-    "conpherence_people_on"        : {
-      "name" : "conpherence_people_on",
-      "rule" : ".conpherence_people_on, .device-desktop .conpherence_people_off:hover ",
-      "hash" : "f959cea0c9d0f22aeefabc398e5d4ea7"
-    },
-    "conpherence_settings_off"     : {
-      "name" : "conpherence_settings_off",
-      "rule" : ".conpherence_settings_off",
-      "hash" : "b28d654205d852c92606cd18e229a390"
-    },
-    "conpherence_settings_on"      : {
-      "name" : "conpherence_settings_on",
-      "rule" : ".conpherence_settings_on, .device-desktop .conpherence_settings_off:hover ",
-      "hash" : "50b5f0920d22874ba3416bf6d796cfbd"
-    }
-  },
-  "scales"  : [
-    1,
-    2
-  ],
-  "header"  : "\/**\n * @provides sprite-conpherence-css\n * @generated\n *\/\n\n.sprite-conpherence {\n  background-image: url(\/rsrc\/image\/sprite-conpherence.png);\n  background-repeat: no-repeat;\n}\n\n@media\nonly screen and (min-device-pixel-ratio: 1.5),\nonly screen and (-webkit-min-device-pixel-ratio: 1.5) {\n  .sprite-conpherence {\n    background-image: url(\/rsrc\/image\/sprite-conpherence-X2.png);\n    background-size: {X}px {Y}px;\n  }\n}\n",
-  "type"    : "standard"
-}
diff --git a/scripts/celerity/generate_sprites.php b/scripts/celerity/generate_sprites.php
--- a/scripts/celerity/generate_sprites.php
+++ b/scripts/celerity/generate_sprites.php
@@ -29,7 +29,6 @@
 $sheets = array(
   'menu' => $generator->buildMenuSheet(),
   'apps' => $generator->buildAppsSheet(),
-  'conpherence' => $generator->buildConpherenceSheet(),
   'apps-large' => $generator->buildAppsLargeSheet(),
   'payments' => $generator->buildPaymentsSheet(),
   'tokens' => $generator->buildTokenSheet(),
diff --git a/src/applications/celerity/CeleritySpriteGenerator.php b/src/applications/celerity/CeleritySpriteGenerator.php
--- a/src/applications/celerity/CeleritySpriteGenerator.php
+++ b/src/applications/celerity/CeleritySpriteGenerator.php
@@ -148,51 +148,6 @@
     return $sheet;
   }
 
-
-  public function buildConpherenceSheet() {
-    $name = 'conpherence';
-    $icons = $this->getDirectoryList($name.'_1x');
-    $scales = array(
-      '1x' => 1,
-      '2x' => 2,
-    );
-    $template = id(new PhutilSprite())
-      ->setSourceSize(32, 32);
-
-    $sprites = array();
-    foreach ($icons as $icon) {
-      $color = preg_match('/_on/', $icon) ? 'on' : 'off';
-
-      $prefix = $name.'_';
-
-      $sprite = id(clone $template)
-        ->setName($prefix.$icon);
-
-      $tcss = array();
-      $tcss[] = '.'.$prefix.$icon;
-      if ($color == 'on') {
-        $class = str_replace('_on', '_off', $prefix.$icon);
-        $tcss[] = '.device-desktop .'.$class.':hover ';
-      }
-
-      $sprite->setTargetCSS(implode(', ', $tcss));
-
-      foreach ($scales as $scale_key => $scale) {
-        $path = $this->getPath($prefix.$scale_key.'/'.$icon.'.png');
-        $sprite->setSourceFile($path, $scale);
-      }
-      $sprites[] = $sprite;
-    }
-
-    $sheet = $this->buildSheet($name, true);
-    $sheet->setScales($scales);
-    foreach ($sprites as $sprite) {
-      $sheet->addSprite($sprite);
-    }
-
-    return $sheet;
-  }
-
   public function buildDocsSheet() {
     $icons = $this->getDirectoryList('docs_1x');
     $scales = array(
diff --git a/webroot/rsrc/css/sprite-conpherence.css b/webroot/rsrc/css/sprite-conpherence.css
deleted file mode 100644
--- a/webroot/rsrc/css/sprite-conpherence.css
+++ /dev/null
@@ -1,75 +0,0 @@
-/**
- * @provides sprite-conpherence-css
- * @generated
- */
-
-.sprite-conpherence {
-  background-image: url(/rsrc/image/sprite-conpherence.png);
-  background-repeat: no-repeat;
-}
-
-@media
-only screen and (min-device-pixel-ratio: 1.5),
-only screen and (-webkit-min-device-pixel-ratio: 1.5) {
-  .sprite-conpherence {
-    background-image: url(/rsrc/image/sprite-conpherence-X2.png);
-    background-size: 132px 132px;
-  }
-}
-
-
-.conpherence_calendar_off {
-  background-position: 0px 0px;
-}
-
-.conpherence_calendar_on, .device-desktop .conpherence_calendar_off:hover  {
-  background-position: -33px 0px;
-}
-
-.conpherence_conversation_off {
-  background-position: -66px 0px;
-}
-
-.conpherence_conversation_on, .device-desktop .conpherence_conversation_off:hover  {
-  background-position: -99px 0px;
-}
-
-.conpherence_files_off {
-  background-position: 0px -33px;
-}
-
-.conpherence_files_on, .device-desktop .conpherence_files_off:hover  {
-  background-position: -33px -33px;
-}
-
-.conpherence_list_off {
-  background-position: -66px -33px;
-}
-
-.conpherence_list_on, .device-desktop .conpherence_list_off:hover  {
-  background-position: -99px -33px;
-}
-
-.conpherence_more_off {
-  background-position: 0px -66px;
-}
-
-.conpherence_more_on, .device-desktop .conpherence_more_off:hover  {
-  background-position: -33px -66px;
-}
-
-.conpherence_people_off {
-  background-position: -66px -66px;
-}
-
-.conpherence_people_on, .device-desktop .conpherence_people_off:hover  {
-  background-position: 0px -99px;
-}
-
-.conpherence_settings_off {
-  background-position: -33px -99px;
-}
-
-.conpherence_settings_on, .device-desktop .conpherence_settings_off:hover  {
-  background-position: -66px -99px;
-}