diff --git a/modules/certificates/entrust.py b/modules/certificates/entrust.py
deleted file mode 100644
index c31765e..0000000
--- a/modules/certificates/entrust.py
+++ /dev/null
@@ -1,51 +0,0 @@
-from common import utils
-from common.query import Query
-
-
-class Entrust(Query):
-    def __init__(self, domain):
-        Query.__init__(self)
-        self.domain = self.register(domain)
-        self.module = 'Certificate'
-        self.source = 'EntrustQuery'
-        self.addr = 'https://ctsearch.entrust.com/api/v1/certificates'
-
-    def query(self):
-        """
-        向接口查询子域并做子域匹配
-        """
-        self.header = self.get_header()
-        self.proxy = self.get_proxy(self.source)
-        params = {'fields': 'subjectDN',
-                  'domain': self.domain,
-                  'includeExpired': 'true'}
-        resp = self.get(self.addr, params)
-        if not resp:
-            return
-        subdomains = utils.match_subdomain(self.domain, str(resp.json()))
-        self.subdomains = self.subdomains.union(subdomains)
-
-    def run(self):
-        """
-        类执行入口
-        """
-        self.begin()
-        self.query()
-        self.finish()
-        self.save_json()
-        self.gen_result()
-        self.save_db()
-
-
-def do(domain):  # 统一入口名字 方便多线程调用
-    """
-    类统一调用入口
-
-    :param str domain: 域名
-    """
-    query = Entrust(domain)
-    query.run()
-
-
-if __name__ == '__main__':
-    do('example.com')