--- a/js/xpconnect/src/nsXPConnect.cpp
+++ b/js/xpconnect/src/nsXPConnect.cpp
@@ -1127,23 +1127,16 @@ nsXPConnect::ReadFunction(nsIObjectInput
 
 /* These are here to be callable from a debugger */
 extern "C" {
 JS_EXPORT_API(void) DumpJSStack()
 {
     xpc_DumpJSStack(true, true, false);
 }
 
-JS_EXPORT_API(const char*) PrintJSStack()
-{
-    if (JSContext* cx = nsContentUtils::GetCurrentJSContext())
-        return xpc_PrintJSStack(cx, true, true, false).release();
-    return "There is no JSContext on the stack.\n";
-}
-
 JS_EXPORT_API(void) DumpCompleteHeap()
 {
     nsCOMPtr<nsICycleCollectorListener> listener =
       do_CreateInstance("@mozilla.org/cycle-collector-logger;1");
     if (!listener) {
       NS_WARNING("Failed to create CC logger");
       return;
     }