diff --git a/monkey/infection_monkey/exploit/tools/smb_tools.py b/monkey/infection_monkey/exploit/tools/smb_tools.py
index a68d52471..705f691e5 100644
--- a/monkey/infection_monkey/exploit/tools/smb_tools.py
+++ b/monkey/infection_monkey/exploit/tools/smb_tools.py
@@ -113,7 +113,7 @@ class SmbTools(object):
                     return None
 
             try:
-                tid = smb.connectTree(share_name)
+                smb.connectTree(share_name)
             except Exception as exc:
                 LOG.debug("Error connecting tree to share '%s' on victim %r: %s",
                           share_name, host, exc)
diff --git a/monkey/infection_monkey/exploit/win_ms08_067.py b/monkey/infection_monkey/exploit/win_ms08_067.py
index 7690f33c1..4a5e059b9 100644
--- a/monkey/infection_monkey/exploit/win_ms08_067.py
+++ b/monkey/infection_monkey/exploit/win_ms08_067.py
@@ -227,7 +227,7 @@ class Ms08_067_Exploiter(HostExploiter):
                             self._config.remote_user_pass,
                             self._config.user_to_add).encode())
                 time.sleep(2)
-                reply = sock.recv(1000)
+                sock.recv(1000)
 
                 LOG.debug("Exploited into %r using MS08-067", self.host)
                 exploited = True
diff --git a/monkey/infection_monkey/network/info.py b/monkey/infection_monkey/network/info.py
index bc8189dc4..cf43271c5 100644
--- a/monkey/infection_monkey/network/info.py
+++ b/monkey/infection_monkey/network/info.py
@@ -144,7 +144,6 @@ def get_interfaces_ranges():
     for net_interface in ifs:
         address_str = net_interface['addr']
         netmask_str = net_interface['netmask']
-        ip_interface = ipaddress.ip_interface("%s/%s" % (address_str, netmask_str))
         # limit subnet scans to class C only
         res.append(CidrRange(cidr_range="%s/%s" % (address_str, netmask_str)))
     return res