How to reproduce:
1. Create a new Universal 3D Sample Project
2. Open Package Manager window (Window -> Package Manager)
3. Click the "+" icon
4. Click "Install package from git URL"
5. Type "com.unity.entities@1.3.0-pre.4" and press enter
6. After the package finishes installing, remove the package

Expected result: No Errors or Warnings are thrown
Actual result: Warnings: "Compilation was requested for method `Unity.Entities.StructuralChange, Unity.Entities, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null::RemoveComponentEntity(Unity.Entities.EntityComponentStore*, Unity.Entities, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null|Unity.Entities.Entity*, Unity.Entities, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null|Unity.Entities.TypeIndex, Unity.Entities, Version=0.0.0.0, Culture=neutral, PublicKeyToken=null)` but it is not a known Burst entry point. This may be because the [BurstCompile] method is defined in a generic class, and the generic class is not instantiated with concrete types anywhere in your code." are thrown

Reproducible with: 1.3.0-pre.4 (6000.0.12f1)

Reproduced on: Windows 11