diff --git a/unittests/ExecutionEngine/MCJIT/MCJITTestBase.h b/unittests/ExecutionEngine/MCJIT/MCJITTestBase.h
index 35af417bf14..901f142d09c 100644
--- a/unittests/ExecutionEngine/MCJIT/MCJITTestBase.h
+++ b/unittests/ExecutionEngine/MCJIT/MCJITTestBase.h
@@ -308,11 +308,6 @@ protected:
     SupportedSubArchs.push_back("armv6");
     SupportedSubArchs.push_back("armv7");
 
-    // The operating systems below are known to be incompatible with MCJIT as
-    // they are copied from the test/ExecutionEngine/MCJIT/lit.local.cfg and
-    // should be kept in sync.
-    UnsupportedOSs.push_back(Triple::Darwin);
-
     UnsupportedEnvironments.push_back(Triple::Cygnus);
   }