diff --git a/scripts_build/dbSnp/convert_to_chr.py b/scripts_build/dbSnp/convert_to_chr.py
deleted file mode 100755
index 88b9e392..00000000
--- a/scripts_build/dbSnp/convert_to_chr.py
+++ /dev/null
@@ -1,33 +0,0 @@
-#!/usr/bin/env python3
-
-#
-# Convert chromosome IDs in a VCF file from NCBI to human-readable format
-#
-# Mapping file:
-#     Download the mapping file from:
-#       wget "https://ftp.ncbi.nlm.nih.gov/genomes/all/GCF/000/001/405/GCF_000001405.40_GRCh38.p14/GCF_000001405.40_GRCh38.p14_assembly_report.txt"
-#     
-#     Then cut the relevant columns:
-#       cut -f 1,7 GCF_000001405.40_GRCh38.p14_assembly_report.txt | grep -v "^#" | tee chr2id.txt
-
-
-# Load the mapping file (assuming it's a TSV or space-separated file)
-mapping_file = "chr2id.txt"
-chrid2name = {}
-with open(mapping_file) as f:
-    for l in f.readlines():
-        chr_name, chr_id = l.strip().split("\t")
-        chrid2name[chr_id] = chr_name
-
-
-# Example: Translating IDs in a VCF file
-vcf_file = "GCF_000001405.38.vcf"
-with open(vcf_file, 'r') as file:
-    for line in file:
-        if not line.startswith("#"):  # Skip header lines
-            columns = line.strip().split('\t')
-            if columns[0] in chrid2name:
-                columns[0] = chrid2name[columns[0]]  # Replace chromosome ID
-            print('\t'.join(columns))  # Print or write to a new file
-        else:
-            print(line.strip())  # Print header lines as is