diff --git a/build_db.py b/build_db.py
deleted file mode 100644
index cb764c0..0000000
--- a/build_db.py
+++ /dev/null
@@ -1,26 +0,0 @@
-from tjnetwork import *
-
-files = [
-    'bwsn',
-    'exnet',
-    'fengxian',
-    'jbh',
-    'nanjing',
-    'net3',
-    'zj',
-    'suzhouhe',
-    ]
-
-def inp2db():
-    for file in files:
-        read_inp(file, f'./inp/{file}.inp')
-
-def db2inp():
-    for file in files:
-        dump_inp(file, f'./db_inp/{file}.db.inp')
-
-if __name__ == '__main__':
-    inp2db()
-    #db2inp()
-    #print(run_inp('net3'))
-    pass