diff --git a/src/metadata_review_lib.py b/src/metadata_review_lib.py
index b349495..d97bca6 100644
--- a/src/metadata_review_lib.py
+++ b/src/metadata_review_lib.py
@@ -362,36 +362,6 @@ class MetadataHarvester:
         }
         self.parent_files = []
 
-# Example usage
-if __name__ == "__main__":
-    parent_files = ["file1.txt", "file2.txt", "file3.txt"]
-    harvester = MetadataHarvester(parent_files)
-
-    # Adding sample information
-    harvester.add_sample_info("sample_id", "S001")
-    harvester.add_sample_info({"sample_type": "blood", "sample_volume": "5ml"})
-
-    # Adding environment information
-    harvester.add_environment_info("location", "lab_1")
-    harvester.add_environment_info({"temperature": "22C", "humidity": "50%"})
-
-    # Adding instrument information
-    harvester.add_instrument_info("instrument_id", "I123")
-    harvester.add_instrument_info({"instrument_type": "microscope", "manufacturer": "XYZ Corp"})
-
-    # Adding data level information
-    harvester.add_data_level_info("processing_step", "initial")
-    harvester.add_data_level_info({"data_quality": "high", "data_format": "CSV"})
-
-    # Retrieving metadata
-    metadata = harvester.get_metadata()
-    print(metadata)
-
-    # Clear metadata if needed
-    harvester.clear_metadata()
-    print("Cleared metadata:", harvester.get_metadata())
-
-
 def main():    
 
     output_filename_path = "output_files/unified_file_smog_chamber_2024-03-19_UTC-OFST_+0100_NG.h5"