diff --git a/ox/cache.py b/ox/cache.py
index 882700a..2dbc0e2 100644
--- a/ox/cache.py
+++ b/ox/cache.py
@@ -217,6 +217,17 @@ class SQLiteCache(Cache):
         conn.close()
         return r
 
+    def delete(self, url, data=None, headers=DEFAULT_HEADERS):
+        if data:
+            url_hash = hashlib.sha1((url + '?' + data).encode('utf-8')).hexdigest()
+        else:
+            url_hash = hashlib.sha1(url.encode('utf-8')).hexdigest()
+        conn = self.connect()
+        c = conn.cursor()
+        sql = 'DELETE FROM cache WHERE url_hash=?'
+        t = (url_hash, )
+        c.execute(sql, t)
+
     def set(self, url, post_data, data, headers):
         if post_data:
             url_hash = hashlib.sha1((url + '?' + post_data).encode('utf-8')).hexdigest()
@@ -302,6 +313,16 @@ class FileCache(Cache):
                         r = zlib.decompress(r)
         return r
 
+    def delete(self, url, data=None, headers=DEFAULT_HEADERS):
+        if data:
+            url_hash = hashlib.sha1((url + '?' + data).encode('utf-8')).hexdigest()
+        else:
+            url_hash = hashlib.sha1(url.encode('utf-8')).hexdigest()
+        domain = ".".join(urllib.parse.urlparse(url)[1].split('.')[-2:])
+        prefix, i, f = self.files(domain, url_hash)
+        if os.path.exists(i):
+            os.unlink(i)
+
     def set(self, url, post_data, data, headers):
         if post_data:
             url_hash = hashlib.sha1((url + '?' + post_data).encode('utf-8')).hexdigest()