diff --git a/scripts/pdb_processing/worker/pdb/clientlib/pdb_workflow_processing_lib/client.py b/scripts/pdb_processing/worker/pdb/clientlib/pdb_workflow_processing_lib/client.py
index b135b3c..d99e113 100644
--- a/scripts/pdb_processing/worker/pdb/clientlib/pdb_workflow_processing_lib/client.py
+++ b/scripts/pdb_processing/worker/pdb/clientlib/pdb_workflow_processing_lib/client.py
@@ -2351,6 +2351,7 @@ def report_validation(self, rid, entry_id, user, user_id, hold):
     
             self.cleanupSingularityDir(f'{self.validation_dir}/input')
             self.cleanupSingularityDir(f'{self.validation_dir}/output')
+            self.cleanupSingularityDir(f'{self.validation_dir}/cache')
             shutil.copy2(file_path, f'{self.validation_dir}/input')
             
             filename = os.path.basename(file_path)