diff --git a/src/Umbraco.Core/Models/Content.cs b/src/Umbraco.Core/Models/Content.cs
index 9a1ae7eda5..efc9e216b9 100644
--- a/src/Umbraco.Core/Models/Content.cs
+++ b/src/Umbraco.Core/Models/Content.cs
@@ -472,6 +472,14 @@ namespace Umbraco.Core.Models
                 clonedContent._schedule = (ContentScheduleCollection)_schedule.DeepClone();     //manually deep clone
                 clonedContent._schedule.CollectionChanged += clonedContent.ScheduleCollectionChanged;   //re-assign correct event handler
             }
+
+            clonedContent._currentPublishCultureChanges.updatedCultures = null;
+            clonedContent._currentPublishCultureChanges.addedCultures = null;
+            clonedContent._currentPublishCultureChanges.removedCultures = null;
+
+            clonedContent._previousPublishCultureChanges.updatedCultures = null;
+            clonedContent._previousPublishCultureChanges.addedCultures = null;
+            clonedContent._previousPublishCultureChanges.removedCultures = null;
         }
     }
 }
diff --git a/src/Umbraco.Core/Models/ContentBase.cs b/src/Umbraco.Core/Models/ContentBase.cs
index 75d5a5f113..db41c31d32 100644
--- a/src/Umbraco.Core/Models/ContentBase.cs
+++ b/src/Umbraco.Core/Models/ContentBase.cs
@@ -495,6 +495,14 @@ namespace Umbraco.Core.Models
                 clonedContent._properties = (PropertyCollection)_properties.DeepClone(); //manually deep clone
                 clonedContent._properties.CollectionChanged += clonedContent.PropertiesChanged;   //re-assign correct event handler
             }
+
+            clonedContent._currentCultureChanges.updatedCultures = null;
+            clonedContent._currentCultureChanges.addedCultures = null;
+            clonedContent._currentCultureChanges.removedCultures = null;
+
+            clonedContent._previousCultureChanges.updatedCultures = null;
+            clonedContent._previousCultureChanges.addedCultures = null;
+            clonedContent._previousCultureChanges.removedCultures = null;
         }
     }
 }