diff --git a/chrome/content/zotero/bibliography.js b/chrome/content/zotero/bibliography.js
index 4eedf0bbc3..e20f165419 100644
--- a/chrome/content/zotero/bibliography.js
+++ b/chrome/content/zotero/bibliography.js
@@ -93,9 +93,8 @@ var Zotero_File_Interface_Bibliography = new function() {
 			document.getElementById('output-radio').selectedItem =
 				document.getElementById(Zotero.Prefs.get("export.bibliographySettings"));
 			
-			// disable clipboard on the Mac, because it can't support formatted
-			// output
-			if(Zotero.isMac) {
+			// disable clipboard in Fx3.0 on the Mac, because it can't support formatted output
+			if(Zotero.isMac && Zotero.isFx30) {
 				document.getElementById("mac-clipboard-warning").hidden = false;
 			}
 		}
diff --git a/chrome/content/zotero/preferences/preferences.js b/chrome/content/zotero/preferences/preferences.js
index 3ed9d95ca4..81e54c16ab 100644
--- a/chrome/content/zotero/preferences/preferences.js
+++ b/chrome/content/zotero/preferences/preferences.js
@@ -632,10 +632,6 @@ function deleteSelectedQuickCopySite() {
 
 
 function updateQuickCopyInstructions() {
-	if (Zotero.isMac) {
-		document.getElementById('quickCopy-macWarning').setAttribute('hidden', false);
-	}
-	
 	var prefix = Zotero.isMac ? 'Cmd+Shift+' : 'Ctrl+Alt+';
 	var key = Zotero.Prefs.get('keys.copySelectedItemsToClipboard');
 	
diff --git a/chrome/content/zotero/preferences/preferences.xul b/chrome/content/zotero/preferences/preferences.xul
index e17cbf34a1..19b5de823e 100644
--- a/chrome/content/zotero/preferences/preferences.xul
+++ b/chrome/content/zotero/preferences/preferences.xul
@@ -551,8 +551,6 @@ To add a new preference:
 			</hbox>
 			
 			<separator/>
-			
-			<label id="quickCopy-macWarning" hidden="true" value="&zotero.preferences.quickCopy.macWarning;"/>
 		</groupbox>
 	</prefpane>