diff --git a/js/src/jstracer.cpp b/js/src/jstracer.cpp
index 86aaec660b1..c0fd1bded2c 100644
--- a/js/src/jstracer.cpp
+++ b/js/src/jstracer.cpp
@@ -9726,7 +9726,6 @@ TraceRecorder::record_EnterFrame(uintN& inlineCallCount)
                     return ARECORD_STOP;
                 if (IsBlacklisted((jsbytecode*)f->ip))
                     RETURN_STOP_A("inner recursive tree is blacklisted");
-                JS_ASSERT(f->getTreeInfo()->script != treeInfo->script);
                 JSContext* _cx = cx;
                 SlotList* globalSlots = treeInfo->globalSlots;
                 JSTraceMonitor* tm = traceMonitor;