diff --git a/ConfigGenerator/ASFConfig.cs b/ConfigGenerator/ASFConfig.cs
index 6353c4738..4fac33e34 100644
--- a/ConfigGenerator/ASFConfig.cs
+++ b/ConfigGenerator/ASFConfig.cs
@@ -29,7 +29,7 @@ using System.IO;
 
 namespace ConfigGenerator {
 	internal class ASFConfig {
-		internal static List<ASFConfig> ASFConfigs = new List<ASFConfig>();
+		internal static HashSet<ASFConfig> ASFConfigs = new HashSet<ASFConfig>();
 
 		internal string FilePath { get; set; }
 
diff --git a/ConfigGenerator/Debugging.cs b/ConfigGenerator/Debugging.cs
index 62242322b..a67548b0e 100644
--- a/ConfigGenerator/Debugging.cs
+++ b/ConfigGenerator/Debugging.cs
@@ -22,9 +22,6 @@
 
 */
 
-using System;
-using System.IO;
-
 namespace ConfigGenerator {
 	internal static class Debugging {
 #if DEBUG
diff --git a/ConfigGenerator/EnhancedPropertyGrid.cs b/ConfigGenerator/EnhancedPropertyGrid.cs
index 62c7ee4e9..a4cb0168c 100644
--- a/ConfigGenerator/EnhancedPropertyGrid.cs
+++ b/ConfigGenerator/EnhancedPropertyGrid.cs
@@ -27,6 +27,7 @@ using System.Windows.Forms;
 namespace ConfigGenerator {
 	internal sealed class EnhancedPropertyGrid : PropertyGrid {
 		private ASFConfig ASFConfig;
+
 		internal EnhancedPropertyGrid(ASFConfig config) : base() {
 			if (config == null) {
 				return;