diff --git a/.gitmodules b/.gitmodules
index 174bba680f002d..4ecccece153bf8 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -16,9 +16,6 @@
 [submodule "homeassistant/external/nzbclients"]
         path = homeassistant/external/nzbclients
         url = https://github.com/jamespcole/home-assistant-nzb-clients.git
-[submodule "homeassistant/external/pymysensors"]
-	path = homeassistant/external/pymysensors
-	url = https://github.com/theolind/pymysensors
 [submodule "homeassistant/components/frontend/www_static/home-assistant-polymer"]
 	path = homeassistant/components/frontend/www_static/home-assistant-polymer
 	url = https://github.com/balloob/home-assistant-polymer.git
diff --git a/homeassistant/components/sensor/mysensors.py b/homeassistant/components/sensor/mysensors.py
index 4f3c2610c5ab05..ad9649f9966b8c 100644
--- a/homeassistant/components/sensor/mysensors.py
+++ b/homeassistant/components/sensor/mysensors.py
@@ -21,9 +21,6 @@
 """
 import logging
 
-# pylint: disable=no-name-in-module, import-error
-import homeassistant.external.pymysensors.mysensors.mysensors as mysensors
-import homeassistant.external.pymysensors.mysensors.const as const
 from homeassistant.helpers.entity import Entity
 
 from homeassistant.const import (
@@ -39,12 +36,16 @@
 ATTR_CHILD_ID = "child_id"
 
 _LOGGER = logging.getLogger(__name__)
-REQUIREMENTS = ['pyserial>=2.7']
+REQUIREMENTS = ['https://github.com/theolind/pymysensors/archive/master.zip'
+                '#egg=pymysensors-0.1']
 
 
 def setup_platform(hass, config, add_devices, discovery_info=None):
     """ Setup the mysensors platform. """
 
+    import mysensors.mysensors as mysensors
+    import mysensors.const as const
+
     devices = {}    # keep track of devices added to HA
     # Just assume celcius means that the user wants metric for now.
     # It may make more sense to make this a global config option in the future.
@@ -69,7 +70,7 @@ def sensor_update(update_type, nid):
                     name = '{} {}.{}'.format(sensor.sketch_name, nid, child.id)
                     node[child_id][value_type] = \
                         MySensorsNodeValue(
-                            nid, child_id, name, value_type, is_metric)
+                            nid, child_id, name, value_type, is_metric, const)
                     new_devices.append(node[child_id][value_type])
                 else:
                     node[child_id][value_type].update_sensor(
@@ -102,8 +103,8 @@ def sensor_update(update_type, nid):
 
 class MySensorsNodeValue(Entity):
     """ Represents the value of a MySensors child node. """
-    # pylint: disable=too-many-arguments
-    def __init__(self, node_id, child_id, name, value_type, metric):
+    # pylint: disable=too-many-arguments, too-many-instance-attributes
+    def __init__(self, node_id, child_id, name, value_type, metric, const):
         self._name = name
         self.node_id = node_id
         self.child_id = child_id
@@ -111,6 +112,7 @@ def __init__(self, node_id, child_id, name, value_type, metric):
         self.value_type = value_type
         self.metric = metric
         self._value = ''
+        self.const = const
 
     @property
     def should_poll(self):
@@ -130,11 +132,11 @@ def state(self):
     @property
     def unit_of_measurement(self):
         """ Unit of measurement of this entity. """
-        if self.value_type == const.SetReq.V_TEMP:
+        if self.value_type == self.const.SetReq.V_TEMP:
             return TEMP_CELCIUS if self.metric else TEMP_FAHRENHEIT
-        elif self.value_type == const.SetReq.V_HUM or \
-                self.value_type == const.SetReq.V_DIMMER or \
-                self.value_type == const.SetReq.V_LIGHT_LEVEL:
+        elif self.value_type == self.const.SetReq.V_HUM or \
+                self.value_type == self.const.SetReq.V_DIMMER or \
+                self.value_type == self.const.SetReq.V_LIGHT_LEVEL:
             return '%'
         return None
 
@@ -150,8 +152,8 @@ def state_attributes(self):
     def update_sensor(self, value, battery_level):
         """ Update a sensor with the latest value from the controller. """
         _LOGGER.info("%s value = %s", self._name, value)
-        if self.value_type == const.SetReq.V_TRIPPED or \
-           self.value_type == const.SetReq.V_ARMED:
+        if self.value_type == self.const.SetReq.V_TRIPPED or \
+           self.value_type == self.const.SetReq.V_ARMED:
             self._value = STATE_ON if int(value) == 1 else STATE_OFF
         else:
             self._value = value
diff --git a/homeassistant/external/pymysensors b/homeassistant/external/pymysensors
deleted file mode 160000
index cd5ef892eeec0a..00000000000000
--- a/homeassistant/external/pymysensors
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit cd5ef892eeec0ad027727f7e8f757e7f2927da97
diff --git a/requirements.txt b/requirements.txt
index c7a569fad333a1..f9d11975e97a62 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -77,5 +77,5 @@ python-forecastio>=1.3.3
 # Firmata Bindings (*.arduino)
 PyMata==2.07a
 
-# Mysensors serial gateway
-pyserial>=2.7
+# Mysensors
+https://github.com/theolind/pymysensors/archive/master.zip#egg=pymysensors-0.1