diff --git a/utils/python/CIME/SystemTests/pea.py b/utils/python/CIME/SystemTests/pea.py
index 286be7da1b11..b98ea1a09884 100644
--- a/utils/python/CIME/SystemTests/pea.py
+++ b/utils/python/CIME/SystemTests/pea.py
@@ -35,7 +35,8 @@ def build_phase(self, sharedlib_only=False, model_only=False):
             self._case.set_value("MPILIB",mpilib)
             self._case.flush()
             # We need to explicitly remove the Macros file for this test
-            os.remove("Macros")
+            if  os.path.isfile("Macros"):
+                os.remove("Macros")
             case_setup(self._case, reset=True)
             self.clean_build()
             self.build_indv(sharedlib_only=sharedlib_only, model_only=model_only)