diff --git a/tuned/plugins/base.py b/tuned/plugins/base.py
index 2cf40b0..6a9ecaa 100644
--- a/tuned/plugins/base.py
+++ b/tuned/plugins/base.py
@@ -60,14 +60,6 @@ class Plugin(object):
 		value = str(value).lower()
 		return value == "true" or value == "1"
 
-	def _config_bool(self, value, true_value="1", false_value="0"):
-		if value == True or value == "1" or str(value).lower() == "true":
-			return true_value
-		elif value == False or value == "0" or str(value).lower() == "false":
-			return false_value
-		else:
-			return None
-
 	#
 	# Interface for manipulation with instances of the plugin.
 	#