diff --git a/findRedundantDomain.py b/findRedundantDomain.py
deleted file mode 100644
index 2e21d24..0000000
--- a/findRedundantDomain.py
+++ /dev/null
@@ -1,70 +0,0 @@
-#!/usr/bin/env python3
-
-import sys
-print(sys.argv[1], sys.argv[2])
-
-''' Find redundant items in domain lists.
-    e.g. 'bar.foo.com' is redundant for 'foo.com'.
-'''
-
-
-def load(list):
-    ''' Parse conf file & Prepare data structure
-        Returns: [ ['abc', 'com'],
-                   ['bar', 'foo', 'com'],
-                   ... ]
-    '''
-
-    results = []
-    with open(list, 'r') as f:
-        for line in f.readlines():
-            line = line.strip()
-            if line == '' or line.startswith('#'):
-                continue
-            # A domain name is case-insensitive and
-            # consists of several labels, separated by a full stop
-            domain_labels = line.lower().split('.')
-            results.append(domain_labels)
-
-    # Sort results by domain labels' length
-    results.sort(key=len)
-    return results
-
-
-def find(labelses, removedDomainFile):
-    ''' Find redundant items by a tree of top-level domain label to sub-level.
-        `tree` is like { 'com': { 'foo: { 'bar': LEAF },
-                                  'abc': LEAF },
-                         'org': ... }
-    '''
-
-    tree = {}
-    LEAF = 1
-    for labels in labelses:
-        domain = '.'.join(labels)
-        # Init root node as current node
-        node = tree
-        while len(labels) > 0:
-            label = labels.pop()
-            if label in node:
-                # If child node is a LEAF node,
-                # current domain must be an existed domain or a subdomain of an existed.
-                if node[label] == LEAF:
-                    print(f"Redundant found: {domain} at {'.'.join(labels)}")
-                    with open(removedDomainFile, "a") as f:
-                        f.write(domain)
-                        f.write("\n")
-                    break
-            else:
-                # Create a leaf node if current label is last one
-                if len(labels) == 0:
-                    node[label] = LEAF
-                # Create a branch node
-                else:
-                    node[label] = {}
-            # Iterate to child node
-            node = node[label]
-
-
-if __name__ == '__main__':
-    find(load(sys.argv[1]), sys.argv[2])
diff --git a/lancidr.txt b/lancidr.txt
deleted file mode 100644
index 2792795..0000000
--- a/lancidr.txt
+++ /dev/null
@@ -1,20 +0,0 @@
-payload:
-  - '0.0.0.0/8'
-  - '10.0.0.0/8'
-  - '100.64.0.0/10'
-  - '127.0.0.0/8'
-  - '169.254.0.0/16'
-  - '172.16.0.0/12'
-  - '192.0.0.0/24'
-  - '192.0.2.0/24'
-  - '192.88.99.0/24'
-  - '192.168.0.0/16'
-  - '198.18.0.0/15'
-  - '198.51.100.0/24'
-  - '203.0.113.0/24'
-  - '224.0.0.0/4'
-  - '240.0.0.0/4'
-  - '255.255.255.255/32'
-  - '::1/128'
-  - 'fc00::/7'
-  - 'fe80::/10'
diff --git a/telegramcidr.txt b/telegramcidr.txt
deleted file mode 100644
index 5f039b7..0000000
--- a/telegramcidr.txt
+++ /dev/null
@@ -1,22 +0,0 @@
-payload:
-  - '109.239.140.0/24'
-  - '149.154.160.0/22'
-  - '149.154.164.0/22'
-  - '149.154.168.0/22'
-  - '149.154.172.0/22'
-  - '67.198.55.0/24'
-  - '91.108.12.0/22'
-  - '91.108.16.0/22'
-  - '91.108.20.0/22'
-  - '91.108.20.0/23'
-  - '91.108.4.0/22'
-  - '91.108.56.0/22'
-  - '91.108.56.0/23'
-  - '91.108.8.0/22'
-  - '95.161.64.0/20'
-  - '95.161.84.0/23'
-  - '2001:67c:4e8::/48'
-  - '2001:b28:f23c::/48'
-  - '2001:b28:f23d::/48'
-  - '2001:b28:f23f::/48'
-  - '2001:b28:f242::/48'