diff --git a/Flow.Launcher.Infrastructure/FileExplorerHelper.cs b/Flow.Launcher.Infrastructure/FileExplorerHelper.cs
index b97c096c3..1085cc833 100644
--- a/Flow.Launcher.Infrastructure/FileExplorerHelper.cs
+++ b/Flow.Launcher.Infrastructure/FileExplorerHelper.cs
@@ -67,8 +67,6 @@ namespace Flow.Launcher.Infrastructure
             return explorerWindows.Zip(zOrders).MinBy(x => x.Second).First;
         }
 
-        private delegate bool EnumWindowsProc(IntPtr hWnd, IntPtr lParam);
-
         /// <summary>
         /// Gets the z-order for one or more windows atomically with respect to each other. In Windows, smaller z-order is higher. If the window is not top level, the z order is returned as -1. 
         /// </summary>
diff --git a/Plugins/Flow.Launcher.Plugin.ProcessKiller/ProcessHelper.cs b/Plugins/Flow.Launcher.Plugin.ProcessKiller/ProcessHelper.cs
index 5f58dc6b1..c603fba09 100644
--- a/Plugins/Flow.Launcher.Plugin.ProcessKiller/ProcessHelper.cs
+++ b/Plugins/Flow.Launcher.Plugin.ProcessKiller/ProcessHelper.cs
@@ -68,7 +68,7 @@ namespace Flow.Launcher.Plugin.ProcessKiller
         public static unsafe Dictionary<int, string> GetProcessesWithNonEmptyWindowTitle()
         {
             var processDict = new Dictionary<int, string>();
-            PInvoke.EnumWindows((hWnd, lParam) =>
+            PInvoke.EnumWindows((hWnd, _) =>
             {
                 var windowTitle = GetWindowTitle(hWnd);
                 if (!string.IsNullOrWhiteSpace(windowTitle) && PInvoke.IsWindowVisible(hWnd))