diff --git a/com.unity.netcode.gameobjects/CHANGELOG.md b/com.unity.netcode.gameobjects/CHANGELOG.md
index 85ad8ff0f6..b817a0b6ea 100644
--- a/com.unity.netcode.gameobjects/CHANGELOG.md
+++ b/com.unity.netcode.gameobjects/CHANGELOG.md
@@ -13,6 +13,7 @@ Additional documentation and release notes are available at [Multiplayer Documen
 
 ### Fixed
 
+- Fixed memory leaks when domain reload is disabled. (#3427)
 - Fixed an exception being thrown when unregistering a custom message handler from within the registered callback. (#3417)
 
 ### Changed
diff --git a/com.unity.netcode.gameobjects/Runtime/Core/NetworkManager.cs b/com.unity.netcode.gameobjects/Runtime/Core/NetworkManager.cs
index 2009de87bc..71ecce9498 100644
--- a/com.unity.netcode.gameobjects/Runtime/Core/NetworkManager.cs
+++ b/com.unity.netcode.gameobjects/Runtime/Core/NetworkManager.cs
@@ -1629,6 +1629,10 @@ private void OnDestroy()
             {
                 Singleton = null;
             }
+
+#if UNITY_EDITOR
+            EditorApplication.playModeStateChanged -= ModeChanged;
+#endif
         }
 
         // Command line options