diff --git a/chrome/content/zotero/tab.xul b/chrome/content/zotero/tab.xul
index fba04011f..02b7687ae 100644
--- a/chrome/content/zotero/tab.xul
+++ b/chrome/content/zotero/tab.xul
@@ -27,7 +27,7 @@
 	<script type="application/javascript"
 		src="chrome://global/content/contentAreaUtils.js"/>
 	<xhtml:link rel="shortcut icon"
-		href="chrome://zotero/skin/zotero-z-16px.png" style="display:none"/>
+		href="chrome://zotero/skin/zotero-new-z-16px.png" style="display:none"/>
 	<popup id="contentAreaContextMenu">
 		<menuitem id="context-undo"
 				label="&undoCmd.label;"
diff --git a/chrome/skin/default/zotero/zotero-z-16px-active.png b/chrome/skin/default/zotero/zotero-z-16px-active.png
deleted file mode 100644
index e1e402503..000000000
Binary files a/chrome/skin/default/zotero/zotero-z-16px-active.png and /dev/null differ
diff --git a/chrome/skin/default/zotero/zotero-z-16px.png b/chrome/skin/default/zotero/zotero-z-16px.png
deleted file mode 100644
index 85545d13a..000000000
Binary files a/chrome/skin/default/zotero/zotero-z-16px.png and /dev/null differ
diff --git a/chrome/skin/default/zotero/zotero-z-24px-active.png b/chrome/skin/default/zotero/zotero-z-24px-active.png
deleted file mode 100644
index d17b56fb0..000000000
Binary files a/chrome/skin/default/zotero/zotero-z-24px-active.png and /dev/null differ
diff --git a/chrome/skin/default/zotero/zotero-z-24px.png b/chrome/skin/default/zotero/zotero-z-24px.png
deleted file mode 100644
index 9d4ca1472..000000000
Binary files a/chrome/skin/default/zotero/zotero-z-24px.png and /dev/null differ
diff --git a/chrome/skin/default/zotero/zotero_z_32px.png b/chrome/skin/default/zotero/zotero_z_32px.png
deleted file mode 100644
index 4161bd730..000000000
Binary files a/chrome/skin/default/zotero/zotero_z_32px.png and /dev/null differ