diff --git a/chrome/content/zotero/reader.xhtml b/chrome/content/zotero/reader.xhtml
index 42518bcd99..9221161478 100644
--- a/chrome/content/zotero/reader.xhtml
+++ b/chrome/content/zotero/reader.xhtml
@@ -139,12 +139,12 @@
 						label="&zotero.pdfReader.rotatePageRight;"
 						oncommand="menuCmd('rotateRight')"
 				/>
-				<menuitem
+				<!--<menuitem
 						id="edit-menuitem-rotate-180"
 						class="menu-type-reader"
 						label="&zotero.pdfReader.rotatePage180;"
 						oncommand="menuCmd('rotate180')"
-				/>
+				/>-->
 			</menupopup>
 		</menu>
 		<menu label="View" onpopupshowing="onViewMenuOpen()">
diff --git a/chrome/content/zotero/zoteroPane.xhtml b/chrome/content/zotero/zoteroPane.xhtml
index 216b6017b2..bccd5a0abe 100644
--- a/chrome/content/zotero/zoteroPane.xhtml
+++ b/chrome/content/zotero/zoteroPane.xhtml
@@ -286,12 +286,12 @@
 									label="&zotero.pdfReader.rotatePageRight;"
 									oncommand="ZoteroStandalone.onReaderCmd('rotateRight')"
 							/>
-							<menuitem
+							<!--<menuitem
 									id="edit-menuitem-rotate-180"
 									class="menu-type-reader"
 									label="&zotero.pdfReader.rotatePage180;"
 									oncommand="ZoteroStandalone.onReaderCmd('rotate180')"
-							/>
+							/>-->
 							<menuseparator/>
 							<menuitem id="menu_find" label="&findCmd.label;"
 									key="key_find" accesskey="&findCmd.accesskey;"