diff --git a/NadekoBot.Core/Modules/Administration/PruneCommands.cs b/NadekoBot.Core/Modules/Administration/PruneCommands.cs
index 5fa42f28..089c2c4b 100644
--- a/NadekoBot.Core/Modules/Administration/PruneCommands.cs
+++ b/NadekoBot.Core/Modules/Administration/PruneCommands.cs
@@ -13,7 +13,7 @@ namespace NadekoBot.Modules.Administration
         [Group]
         public class PruneCommands : NadekoSubmodule<PruneService>
         {
-            private readonly TimeSpan twoWeeks = TimeSpan.FromDays(14);
+            private static readonly TimeSpan twoWeeks = TimeSpan.FromDays(14);
 
             //delets her own messages, no perm required
             [NadekoCommand, Usage, Description, Aliases]
diff --git a/NadekoBot.Core/Modules/Gambling/DiceRollCommands.cs b/NadekoBot.Core/Modules/Gambling/DiceRollCommands.cs
index 0374ce95..08fd7f4f 100644
--- a/NadekoBot.Core/Modules/Gambling/DiceRollCommands.cs
+++ b/NadekoBot.Core/Modules/Gambling/DiceRollCommands.cs
@@ -20,10 +20,10 @@ namespace NadekoBot.Modules.Gambling
         [Group]
         public class DriceRollCommands : NadekoSubmodule
         {
-            private readonly Regex dndRegex  = new Regex(@"^(?<n1>\d+)d(?<n2>\d+)(?:\+(?<add>\d+))?(?:\-(?<sub>\d+))?$", RegexOptions.Compiled);
-            private readonly Regex fudgeRegex  = new Regex(@"^(?<n1>\d+)d(?:F|f)$", RegexOptions.Compiled);
+            private static readonly Regex dndRegex  = new Regex(@"^(?<n1>\d+)d(?<n2>\d+)(?:\+(?<add>\d+))?(?:\-(?<sub>\d+))?$", RegexOptions.Compiled);
+            private static readonly Regex fudgeRegex  = new Regex(@"^(?<n1>\d+)d(?:F|f)$", RegexOptions.Compiled);
 
-            private readonly char[] _fateRolls = { '-', ' ', '+' };
+            private static readonly char[] _fateRolls = { '-', ' ', '+' };
             private readonly IImagesService _images;
 
             public DriceRollCommands(IImagesService images)