diff --git a/barbican/plugin/crypto/manager.py b/barbican/plugin/crypto/manager.py
index 598a20da3..692b2d91b 100644
--- a/barbican/plugin/crypto/manager.py
+++ b/barbican/plugin/crypto/manager.py
@@ -78,7 +78,7 @@ class _CryptoPluginManager(named.NamedExtensionManager):
         """
         active_plugins = plugin_utils.get_active_plugins(self)
 
-        if len(active_plugins) < 1:
+        if not active_plugins:
             raise crypto.CryptoPluginNotFound()
 
         for generating_plugin in active_plugins:
@@ -99,7 +99,7 @@ class _CryptoPluginManager(named.NamedExtensionManager):
         """
         active_plugins = plugin_utils.get_active_plugins(self)
 
-        if len(active_plugins) < 1:
+        if not active_plugins:
             raise crypto.CryptoPluginNotFound()
 
         for decrypting_plugin in active_plugins:
diff --git a/barbican/plugin/interface/certificate_manager.py b/barbican/plugin/interface/certificate_manager.py
index a58147fba..dda75250f 100644
--- a/barbican/plugin/interface/certificate_manager.py
+++ b/barbican/plugin/interface/certificate_manager.py
@@ -743,7 +743,7 @@ class _CertificateEventPluginManager(named.NamedExtensionManager,
         """Invoke same function on plugins as calling function."""
         active_plugins = plugin_utils.get_active_plugins(self)
 
-        if len(active_plugins) < 1:
+        if not active_plugins:
             raise CertificateEventPluginNotFound()
 
         for plugin in active_plugins:
diff --git a/barbican/plugin/interface/secret_store.py b/barbican/plugin/interface/secret_store.py
index 71ceb47c4..7752422ed 100644
--- a/barbican/plugin/interface/secret_store.py
+++ b/barbican/plugin/interface/secret_store.py
@@ -477,7 +477,7 @@ class SecretStoreBase(object):
 
 def _enforce_extensions_configured(plugin_related_function):
     def _check_plugins_configured(self, *args, **kwargs):
-        if len(self.extensions) < 1:
+        if not self.extensions:
             raise SecretStorePluginsNotConfigured()
         return plugin_related_function(self, *args, **kwargs)
     return _check_plugins_configured