diff --git a/llvm/unittests/ExecutionEngine/MCJIT/MCJITObjectCacheTest.cpp b/llvm/unittests/ExecutionEngine/MCJIT/MCJITObjectCacheTest.cpp
index abe8be4..32fc292 100644
--- a/llvm/unittests/ExecutionEngine/MCJIT/MCJITObjectCacheTest.cpp
+++ b/llvm/unittests/ExecutionEngine/MCJIT/MCJITObjectCacheTest.cpp
@@ -101,11 +101,10 @@
     ASSERT_TRUE(TheJIT.isValid());
     ASSERT_TRUE(0 != Main);
 
+    // We may be using a null cache, so ensure compilation is valid.
     TheJIT->finalizeObject();
     void *vPtr = TheJIT->getPointerToFunction(Main);
 
-    static_cast<SectionMemoryManager*>(MM)->invalidateInstructionCache();
-
     EXPECT_TRUE(0 != vPtr)
       << "Unable to get pointer to main() from JIT";