diff --git a/src/MaksIT.Core/MaksIT.Core.csproj b/src/MaksIT.Core/MaksIT.Core.csproj
index d652e65..390eede 100644
--- a/src/MaksIT.Core/MaksIT.Core.csproj
+++ b/src/MaksIT.Core/MaksIT.Core.csproj
@@ -8,7 +8,7 @@
 
     <!-- NuGet package metadata -->
     <PackageId>MaksIT.Core</PackageId>
-    <Version>1.4.2</Version>
+    <Version>1.4.3</Version>
     <Authors>Maksym Sadovnychyy</Authors>
     <Company>MAKS-IT</Company>
     <Product>MaksIT.Core</Product>
diff --git a/src/MaksIT.Core/Webapi/Models/PatchOperation.cs b/src/MaksIT.Core/Webapi/Models/PatchOperation.cs
index a8d7ba0..6d6b576 100644
--- a/src/MaksIT.Core/Webapi/Models/PatchOperation.cs
+++ b/src/MaksIT.Core/Webapi/Models/PatchOperation.cs
@@ -21,19 +21,4 @@ public enum PatchOperation {
   /// When you need to remove an item from a collection
   /// </summary>
   RemoveFromCollection,
-
-  /// <summary>
-  /// When you need to replace a collection
-  /// </summary>
-  ReplaceCollection,
-
-  /// <summary>
-  /// When you need to clear a collection
-  /// </summary>
-  ClearCollection,
-
-  /// <summary>
-  /// When you need to set a collection to null
-  /// </summary>
-  RemoveCollection
 }