diff --git a/src/coreclr/vm/ceemain.cpp b/src/coreclr/vm/ceemain.cpp
index f476ea793c918..eba08c952b21d 100644
--- a/src/coreclr/vm/ceemain.cpp
+++ b/src/coreclr/vm/ceemain.cpp
@@ -1765,7 +1765,6 @@ void InitFlsSlot()
     g_flsIndex = FlsAlloc(FiberDetachCallback);
     if (g_flsIndex == FLS_OUT_OF_INDEXES)
     {
-        _ASSERTE(!"Initialization of an FLS slot failed.");
         COMPlusThrowWin32();
     }
 }