diff --git a/src/StardewModdingAPI.Installer/InteractiveInstaller.cs b/src/StardewModdingAPI.Installer/InteractiveInstaller.cs
index c456fdc0..38c19d2b 100644
--- a/src/StardewModdingAPI.Installer/InteractiveInstaller.cs
+++ b/src/StardewModdingAPI.Installer/InteractiveInstaller.cs
@@ -626,9 +626,8 @@ namespace StardewModdingApi.Installer
         private void Move(FileSystemInfo entry, string newPath)
         {
             // file
-            if (entry is FileInfo)
+            if (entry is FileInfo file)
             {
-                FileInfo file = (FileInfo)entry;
                 file.CopyTo(newPath);
                 file.Delete();
             }
diff --git a/src/StardewModdingAPI/Events/GameEvents.cs b/src/StardewModdingAPI/Events/GameEvents.cs
index babf7f31..029ec1f9 100644
--- a/src/StardewModdingAPI/Events/GameEvents.cs
+++ b/src/StardewModdingAPI/Events/GameEvents.cs
@@ -1,5 +1,4 @@
 using System;
-using System.Linq;
 using StardewModdingAPI.Framework;
 
 namespace StardewModdingAPI.Events
@@ -21,11 +20,11 @@ namespace StardewModdingAPI.Events
         internal static event EventHandler InitializeInternal;
 
         /// <summary>Raised during launch after configuring XNA or MonoGame. The game window hasn't been opened by this point. Called after <see cref="Microsoft.Xna.Framework.Game.Initialize"/>.</summary>
-        [Obsolete("The " + nameof(Mod) + "." + nameof(Mod.Entry) + " method is now called after the " + nameof(Initialize) + " event, so any contained logic can be done directly in " + nameof(Mod.Entry) + ".")]
+        [Obsolete("The " + nameof(Mod) + "." + nameof(Mod.Entry) + " method is now called after the " + nameof(GameEvents.Initialize) + " event, so any contained logic can be done directly in " + nameof(Mod.Entry) + ".")]
         public static event EventHandler Initialize;
 
         /// <summary>Raised before XNA loads or reloads graphics resources. Called during <see cref="Microsoft.Xna.Framework.Game.LoadContent"/>.</summary>
-        [Obsolete("The " + nameof(Mod) + "." + nameof(Mod.Entry) + " method is now called after the " + nameof(LoadContent) + " event, so any contained logic can be done directly in " + nameof(Mod.Entry) + ".")]
+        [Obsolete("The " + nameof(Mod) + "." + nameof(Mod.Entry) + " method is now called after the " + nameof(GameEvents.LoadContent) + " event, so any contained logic can be done directly in " + nameof(Mod.Entry) + ".")]
         public static event EventHandler LoadContent;
 
         /// <summary>Raised during launch after configuring Stardew Valley, loading it into memory, and opening the game window. The window is still blank by this point.</summary>
diff --git a/src/StardewModdingAPI/Framework/Monitor.cs b/src/StardewModdingAPI/Framework/Monitor.cs
index 76793bbf..51feff78 100644
--- a/src/StardewModdingAPI/Framework/Monitor.cs
+++ b/src/StardewModdingAPI/Framework/Monitor.cs
@@ -35,7 +35,7 @@ namespace StardewModdingAPI.Framework
         };
 
         /// <summary>A delegate which requests that SMAPI immediately exit the game. This should only be invoked when an irrecoverable fatal error happens that risks save corruption or game-breaking bugs.</summary>
-        private RequestExitDelegate RequestExit;
+        private readonly RequestExitDelegate RequestExit;
 
 
         /*********