diff --git a/master-nonlatent/master.cfg b/master-nonlatent/master.cfg
index 716422a0..da6f4ed3 100644
--- a/master-nonlatent/master.cfg
+++ b/master-nonlatent/master.cfg
@@ -943,7 +943,7 @@ f_macos.addStep(
 f_macos.addStep(
     steps.ShellCommand(
         name="cleanup",
-        command="rm -r * .*i ~/packages/* ~/buildbot_logs/* 2> /dev/null || true",
+        command="rm -r * .*i ~/packages/* ~/buildbot_logs/* /System/Volumes/Data/cores/* 2> /dev/null || true",
         alwaysRun=True,
     )
 )