diff --git a/chrome/content/zotero/integration/quickFormat.xul b/chrome/content/zotero/integration/quickFormat.xul
index 3419f7bb8f..d05cbd2f1f 100644
--- a/chrome/content/zotero/integration/quickFormat.xul
+++ b/chrome/content/zotero/integration/quickFormat.xul
@@ -41,8 +41,8 @@
 	onunload="Zotero_QuickFormat.onUnload()">
 	
 	<script src="../include.js"/>
-	<script src="windowDraggingUtils.js" type="text/javascript;version=1.8"/>
-	<script src="quickFormat.js" type="text/javascript;version=1.8"/>
+	<script src="windowDraggingUtils.js" type="text/javascript"/>
+	<script src="quickFormat.js" type="text/javascript"/>
 	
 	<box orient="horizontal" id="quick-format-entry"> 
 		<deck id="quick-format-deck" selectedIndex="0" flex="1">
diff --git a/chrome/content/zotero/itemPane.xul b/chrome/content/zotero/itemPane.xul
index 6bc6a56783..ee0e62e791 100644
--- a/chrome/content/zotero/itemPane.xul
+++ b/chrome/content/zotero/itemPane.xul
@@ -30,7 +30,7 @@
 
 <overlay xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
 	<script src="include.js"/>
-	<script src="itemPane.js" type="application/javascript;version=1.8"/>
+	<script src="itemPane.js" type="application/javascript"/>
 	
 	<vbox id="zotero-item-pane" zotero-persist="width height">
 		<!-- My Publications -->
diff --git a/chrome/content/zotero/preferences/preferences.xul b/chrome/content/zotero/preferences/preferences.xul
index f889e84508..928d8ee1db 100644
--- a/chrome/content/zotero/preferences/preferences.xul
+++ b/chrome/content/zotero/preferences/preferences.xul
@@ -83,5 +83,5 @@
 		observerService.notifyObservers(null, "charsetmenu-selected", "other");
 	]]>
 	</script>
-	<script src="preferences.js" type="application/javascript;version=1.8"/>
+	<script src="preferences.js" type="application/javascript"/>
 </prefwindow>
diff --git a/chrome/content/zotero/preferences/preferences_advanced.xul b/chrome/content/zotero/preferences/preferences_advanced.xul
index 05ff72d9d8..e8db8a208a 100644
--- a/chrome/content/zotero/preferences/preferences_advanced.xul
+++ b/chrome/content/zotero/preferences/preferences_advanced.xul
@@ -341,5 +341,5 @@
 		<separator/>
 	</prefpane>
 	
-	<script src="preferences_advanced.js" type="application/javascript;version=1.8"/>
+	<script src="preferences_advanced.js" type="application/javascript"/>
 </overlay>
diff --git a/chrome/content/zotero/preferences/preferences_cite.xul b/chrome/content/zotero/preferences/preferences_cite.xul
index f7ded11250..835b4b91fb 100644
--- a/chrome/content/zotero/preferences/preferences_cite.xul
+++ b/chrome/content/zotero/preferences/preferences_cite.xul
@@ -110,5 +110,5 @@
 		</tabbox>
 	</prefpane>
 	
-	<script src="preferences_cite.js" type="application/javascript;version=1.8"/>
+	<script src="preferences_cite.js" type="application/javascript"/>
 </overlay>
diff --git a/chrome/content/zotero/preferences/preferences_export.xul b/chrome/content/zotero/preferences/preferences_export.xul
index d2e40b1522..be077df792 100644
--- a/chrome/content/zotero/preferences/preferences_export.xul
+++ b/chrome/content/zotero/preferences/preferences_export.xul
@@ -111,6 +111,6 @@
 		<separator/>
 		<separator/>
 		
-		<script src="preferences_export.js" type="application/javascript;version=1.8"/>
+		<script src="preferences_export.js" type="application/javascript"/>
 	</prefpane>
 </overlay>
diff --git a/chrome/content/zotero/preferences/preferences_firefox.xul b/chrome/content/zotero/preferences/preferences_firefox.xul
index 8bcc2eb533..3c2c30622d 100644
--- a/chrome/content/zotero/preferences/preferences_firefox.xul
+++ b/chrome/content/zotero/preferences/preferences_firefox.xul
@@ -90,6 +90,6 @@
 			<separator/>
 		</prefpane>
 		
-		<script src="preferences_proxies.js" type="application/javascript;version=1.8"/>
+		<script src="preferences_proxies.js" type="application/javascript"/>
 	</prefwindow>
 </overlay>
diff --git a/chrome/content/zotero/preferences/preferences_general.xul b/chrome/content/zotero/preferences/preferences_general.xul
index cb86b27d62..2e9075b35e 100644
--- a/chrome/content/zotero/preferences/preferences_general.xul
+++ b/chrome/content/zotero/preferences/preferences_general.xul
@@ -104,5 +104,5 @@
 		<separator/>
 	</prefpane>
 	
-	<script src="preferences_general.js" type="application/javascript;version=1.8"/>
+	<script src="preferences_general.js" type="application/javascript"/>
 </overlay>
diff --git a/chrome/content/zotero/preferences/preferences_search.xul b/chrome/content/zotero/preferences/preferences_search.xul
index 26f5d4beed..b5791f1f51 100644
--- a/chrome/content/zotero/preferences/preferences_search.xul
+++ b/chrome/content/zotero/preferences/preferences_search.xul
@@ -93,5 +93,5 @@
 		<separator/>
 	</prefpane>
 	
-	<script src="preferences_search.js" type="application/javascript;version=1.8"/>
+	<script src="preferences_search.js" type="application/javascript"/>
 </overlay>
diff --git a/chrome/content/zotero/preferences/preferences_sync.xul b/chrome/content/zotero/preferences/preferences_sync.xul
index 8e961e137f..3f56e1baae 100644
--- a/chrome/content/zotero/preferences/preferences_sync.xul
+++ b/chrome/content/zotero/preferences/preferences_sync.xul
@@ -326,5 +326,5 @@
 		<separator/>
 	</prefpane>
 	
-	<script src="preferences_sync.js" type="application/javascript;version=1.8"/>
+	<script src="preferences_sync.js" type="application/javascript"/>
 </overlay>
diff --git a/chrome/content/zotero/test/test.xul b/chrome/content/zotero/test/test.xul
index fa428c4b2c..fb20187611 100644
--- a/chrome/content/zotero/test/test.xul
+++ b/chrome/content/zotero/test/test.xul
@@ -11,7 +11,7 @@
 	style="padding:2em">
 	
 	<script src="../include.js"/>
-	<script type="application/javascript;version=1.8" src="test.js"/>
+	<script type="application/javascript" src="test.js"/>
 	
 	<hbox><label>This is a test page.</label></hbox>
 </window>
diff --git a/chrome/content/zotero/zoteroPane.xul b/chrome/content/zotero/zoteroPane.xul
index 98d3029df1..eb68d1a274 100644
--- a/chrome/content/zotero/zoteroPane.xul
+++ b/chrome/content/zotero/zoteroPane.xul
@@ -40,13 +40,14 @@
 	xmlns:html="http://www.w3.org/1999/xhtml">
 	
 	<script src="include.js"/>
-	<script src="zoteroPane.js" type="application/javascript;version=1.8"/>
+	<script src="zoteroPane.js" type="application/javascript"/>
 	<script src="fileInterface.js"/>
 	<script src="reportInterface.js"/>
 	<script src="timelineInterface.js"/>
 	<script src="progressQueueDialog.js"/>
+	<script src="browser.js" type="application/javascript"/>
 	<script src="lookup.js"/>
-	<script src="locateMenu.js" type="application/javascript;version=1.8"/>
+	<script src="locateMenu.js" type="application/javascript"/>
 	
 	<commandset id="mainCommandSet">
 		<command id="cmd_zotero_reportErrors" oncommand="ZoteroPane_Local.reportErrors();"/>
diff --git a/test/content/runtests.html b/test/content/runtests.html
index 0df4ea6a0b..05aa8198df 100644
--- a/test/content/runtests.html
+++ b/test/content/runtests.html
@@ -12,7 +12,7 @@
 	<script src="resource://zotero-unit/co-mocha.js"></script>
 	<script src="resource://zotero-unit/sinon.js"></script>
 	<script src="resource://zotero-unit/pako_inflate.js"></script>
-	<script src="support.js" type="application/javascript;version=1.8"></script>
-	<script src="runtests.js" type="application/javascript;version=1.8"></script>
+	<script src="support.js" type="application/javascript"></script>
+	<script src="runtests.js" type="application/javascript"></script>
 </body>
 </html>
\ No newline at end of file
diff --git a/test/content/runtests.js b/test/content/runtests.js
index f41a911273..1ab3e5738a 100644
--- a/test/content/runtests.js
+++ b/test/content/runtests.js
@@ -267,7 +267,7 @@ if(run && ZoteroUnit.tests) {
 
 	for(var fname of testFiles) {
 		var el = document.createElement("script");
-		el.type = "application/javascript;version=1.8";
+		el.type = "application/javascript";
 		el.src = "resource://zotero-unit-tests/"+fname;
 		el.async = false;
 		document.body.appendChild(el);