diff --git a/lib/pre-commit/plugins_list.rb b/lib/pre-commit/plugins_list.rb
index f179cb7..3613387 100644
--- a/lib/pre-commit/plugins_list.rb
+++ b/lib/pre-commit/plugins_list.rb
@@ -14,11 +14,11 @@ def initialize(configured_names, configured_remove, &block)
     end
 
     def evaluated_names
-      evaluated_names_(evaluated_names_pairs).flatten.compact
+      evaluated_names_(evaluated_names_pairs).flatten.compact.uniq
     end
 
     def list_to_run
-      list_to_run_(evaluated_names_pairs).flatten.compact
+      list_to_run_(evaluated_names_pairs).flatten.compact.uniq
     end
 
   private