diff --git a/CHANGES.rst b/CHANGES.rst
index 08473959..dd185798 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -32,6 +32,7 @@ Development
 - Use most recent "dotty_dict" module
 - Properly format MAC addresses
 - Add maintenance mode interval to configuration settings
+- Lazily import "ButtonManager" for trimming #11
 
 
 2019-06-22 0.5.1
diff --git a/terkin/datalogger.py b/terkin/datalogger.py
index 51158617..41b3b0df 100644
--- a/terkin/datalogger.py
+++ b/terkin/datalogger.py
@@ -12,7 +12,6 @@
 from terkin.network import SystemWiFiMetrics
 from terkin.sensor import SensorManager, AbstractSensor
 from terkin.sensor.system import SystemMemoryFree, SystemTemperature, SystemBatteryLevel, SystemUptime
-from terkin.sensor.button import ButtonManager
 
 log = logging.getLogger(__name__)
 
@@ -92,6 +91,7 @@ def start(self):
         # Initialize buttons / touch pads.
         buttons_enabled = self.settings.get('sensors.system.buttons.enabled', False)
         if buttons_enabled:
+            from terkin.sensor.button import ButtonManager
             self.button_manager = ButtonManager()
             self.start_buttons()