diff --git a/wifite/attack/all.py b/wifite/attack/all.py
index 6fab55a..e1b3e3e 100755
--- a/wifite/attack/all.py
+++ b/wifite/attack/all.py
@@ -1,6 +1,10 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
+from .wep import AttackWEP
+from .wpa import AttackWPA
+from .wps import AttackWPS
+from .pmkid import AttackPMKID
 from ..config import Configuration
 from ..util.color import Color
 
@@ -12,6 +16,10 @@ class AttackAll(object):
         Attacks all given `targets` (list[wifite.model.target]) until user interruption.
         Returns: Number of targets that were attacked (int)
         '''
+        if any(t.wps for t in targets) and not AttackWPS.can_attack_wps():
+            # Warn that WPS attacks are not available.
+            Color.pl('{!} {O}Note: WPS attacks are not possible because you do not have {C}reaver{O} nor {C}bully{W}')
+
         attacked_targets = 0
         targets_remaining = len(targets)
         for index, target in enumerate(targets, start=1):
@@ -36,10 +44,6 @@ class AttackAll(object):
         Attacks a single `target` (wifite.model.target).
         Returns: True if attacks should continue, False otherwise.
         '''
-        from .wep import AttackWEP
-        from .wpa import AttackWPA
-        from .wps import AttackWPS
-        from .pmkid import AttackPMKID
 
         attacks = []
 
@@ -54,7 +58,7 @@ class AttackAll(object):
             # WPA can have multiple attack vectors:
 
             # WPS
-            if target.wps != False:
+            if target.wps != False and AttackWPS.can_attack_wps():
                 if Configuration.wps_pixie:
                     attacks.append(AttackWPS(target, pixie_dust=True))
                 if Configuration.wps_pin:
diff --git a/wifite/attack/wps.py b/wifite/attack/wps.py
index 151f81c..7a76061 100755
--- a/wifite/attack/wps.py
+++ b/wifite/attack/wps.py
@@ -3,9 +3,17 @@
 
 from ..model.attack import Attack
 from ..util.color import Color
+from ..util.process import Process
 from ..config import Configuration
+from ..tools.bully import Bully
+from ..tools.reaver import Reaver
 
 class AttackWPS(Attack):
+
+    @staticmethod
+    def can_attack_wps():
+        return Reaver.exists() or Bully.exists()
+
     def __init__(self, target, pixie_dust=False):
         super(AttackWPS, self).__init__(target)
         self.success = False
@@ -36,16 +44,17 @@ class AttackWPS(Attack):
             self.success = False
             return False
 
-        if Configuration.use_bully:
+        if Configuration.use_bully and Bully.exists() or not Reaver.exists():
             return self.run_bully()
-        else:
+
+        elif Reaver.exists():
             return self.run_reaver()
 
-        return False
+        else:
+            return False
 
 
     def run_bully(self):
-        from ..tools.bully import Bully
         bully = Bully(self.target, pixie_dust=self.pixie_dust)
         bully.run()
         bully.stop()
@@ -55,8 +64,6 @@ class AttackWPS(Attack):
 
 
     def run_reaver(self):
-        from ..tools.reaver import Reaver
-
         reaver = Reaver(self.target, pixie_dust=self.pixie_dust)
         reaver.run()
         self.crack_result = reaver.crack_result
diff --git a/wifite/tools/dependency.py b/wifite/tools/dependency.py
index 556a109..c1a11b2 100755
--- a/wifite/tools/dependency.py
+++ b/wifite/tools/dependency.py
@@ -14,6 +14,12 @@ class Dependency(object):
                 )
 
 
+    @classmethod
+    def exists(cls):
+        from ..util.process import Process
+        return Process.exists(cls.dependency_name)
+
+
     @classmethod
     def run_dependency_check(cls):
         from ..util.color import Color
diff --git a/wifite/tools/iwconfig.py b/wifite/tools/iwconfig.py
index 78103be..e82f56d 100755
--- a/wifite/tools/iwconfig.py
+++ b/wifite/tools/iwconfig.py
@@ -8,11 +8,6 @@ class Iwconfig(Dependency):
     dependency_name = 'iwconfig'
     dependency_url = 'apt-get install wireless-tools'
 
-    @classmethod
-    def exists(cls):
-        from ..util.process import Process
-        return Process.exists('iwconfig')
-
 
     @classmethod
     def mode(cls, iface, mode_name):
diff --git a/wifite/tools/pyrit.py b/wifite/tools/pyrit.py
index 9b1531f..90e1692 100755
--- a/wifite/tools/pyrit.py
+++ b/wifite/tools/pyrit.py
@@ -14,9 +14,6 @@ class Pyrit(Dependency):
     def __init__(self):
         pass
 
-    @staticmethod
-    def exists():
-        return Process.exists('pyrit')
 
     @staticmethod
     def bssid_essid_with_handshakes(capfile, bssid=None, essid=None):
diff --git a/wifite/tools/tshark.py b/wifite/tools/tshark.py
index 6ef39a9..867570f 100755
--- a/wifite/tools/tshark.py
+++ b/wifite/tools/tshark.py
@@ -14,9 +14,6 @@ class Tshark(Dependency):
     def __init__(self):
         pass
 
-    @staticmethod
-    def exists():
-        return Process.exists('tshark')
 
     @staticmethod
     def _extract_src_dst_index_total(line):
@@ -29,6 +26,7 @@ class Tshark(Dependency):
         (src, dst, index, total) = match.groups()
         return src, dst, index, total
 
+
     @staticmethod
     def _build_target_client_handshake_map(output, bssid=None):
         # Map of target_ssid,client_ssid -> handshake #s
diff --git a/wifite/tools/wash.py b/wifite/tools/wash.py
index 743e85e..beac694 100755
--- a/wifite/tools/wash.py
+++ b/wifite/tools/wash.py
@@ -14,9 +14,6 @@ class Wash(Dependency):
     def __init__(self):
         pass
 
-    @staticmethod
-    def exists():
-        return Process.exists('wash')
 
     @staticmethod
     def check_for_wps_and_update_targets(capfile, targets):
@@ -62,6 +59,7 @@ class Wash(Dependency):
             else:
                 t.wps = False
 
+
 if __name__ == '__main__':
     test_file = './tests/files/contains_wps_network.cap'