diff --git a/KSPCommunityFixes/Performance/MinorPerfTweaks.cs b/KSPCommunityFixes/Performance/MinorPerfTweaks.cs
index a3117ba..5a35270 100644
--- a/KSPCommunityFixes/Performance/MinorPerfTweaks.cs
+++ b/KSPCommunityFixes/Performance/MinorPerfTweaks.cs
@@ -16,6 +16,9 @@ protected override void ApplyPatches()
             AddPatch(PatchType.Override, typeof(Part), nameof(Part.isKerbalEVA));
 
             AddPatch(PatchType.Override, typeof(VolumeNormalizer), nameof(VolumeNormalizer.Update));
+
+            AddPatch(PatchType.Override, typeof(MonoUtilities), nameof(MonoUtilities.RefreshContextWindows));
+            AddPatch(PatchType.Override, typeof(MonoUtilities), nameof(MonoUtilities.RefreshPartContextWindow));
         }
 
         // When FlightGlobals._fetch is null/destroyed, the stock "fetch" getter fallback to a FindObjectOfType()
@@ -89,5 +92,21 @@ private static void VolumeNormalizer_Update_Override(VolumeNormalizer vn)
 
             vn.volume = newVolume;
         }
+
+        // MonoUtilities.RefreshContextWindows calls Object.FindObjectsOfType.
+        // This is quite slow. The method is not used in stock but several mods
+        // do use it and it would otherwise take up a notable chunk of scene
+        // switch times.
+        private static void MonoUtilities_RefreshContextWindows_Override(Part part)
+        {
+            if (part.IsNotNullRef() && part.PartActionWindow.IsNotNullOrDestroyed())
+                part.PartActionWindow.displayDirty = true;
+        }
+
+        private static void MonoUtilities_RefreshPartContextWindow_Override(Part part)
+        {
+            if (part.IsNotNullRef() && part.PartActionWindow.IsNotNullOrDestroyed())
+                part.PartActionWindow.displayDirty = true;
+        }
     }
 }