diff --git a/src/Umbraco.Core/Models/ContentBase.cs b/src/Umbraco.Core/Models/ContentBase.cs
index 6de1bc71c9..75d5a5f113 100644
--- a/src/Umbraco.Core/Models/ContentBase.cs
+++ b/src/Umbraco.Core/Models/ContentBase.cs
@@ -302,6 +302,8 @@ namespace Umbraco.Core.Models
             if (Properties.Contains(propertyTypeAlias))
             {
                 Properties[propertyTypeAlias].SetValue(value, culture, segment);
+                //bump the culture to be flagged for updating
+                this.TouchCulture(culture);
                 return;
             }
 
@@ -312,6 +314,9 @@ namespace Umbraco.Core.Models
             var property = propertyType.CreateProperty();
             property.SetValue(value, culture, segment);
             Properties.Add(property);
+
+            //bump the culture to be flagged for updating
+            this.TouchCulture(culture);
         }
 
         #endregion
diff --git a/src/Umbraco.Core/Models/ContentCultureInfosCollection.cs b/src/Umbraco.Core/Models/ContentCultureInfosCollection.cs
index 287182d20e..52f6f9adb6 100644
--- a/src/Umbraco.Core/Models/ContentCultureInfosCollection.cs
+++ b/src/Umbraco.Core/Models/ContentCultureInfosCollection.cs
@@ -17,21 +17,7 @@ namespace Umbraco.Core.Models
         public ContentCultureInfosCollection()
             : base(x => x.Culture, StringComparer.InvariantCultureIgnoreCase)
         { }
-
-        /// <summary>
-        /// Initializes a new instance of the <see cref="ContentCultureInfosCollection"/> class with items.
-        /// </summary>
-        public ContentCultureInfosCollection(IEnumerable<ContentCultureInfos> items)
-            : base(x => x.Culture, StringComparer.InvariantCultureIgnoreCase)
-        {
-            // make sure to add *copies* and not the original items,
-            // as items can be modified by AddOrUpdate, and therefore
-            // the new collection would be impacted by changes made
-            // to the old collection
-            foreach (var item in items)
-                Add(new ContentCultureInfos(item));
-        }
-
+        
         /// <summary>
         /// Adds or updates a <see cref="ContentCultureInfos"/> instance.
         /// </summary>
diff --git a/src/Umbraco.Core/Models/ContentRepositoryExtensions.cs b/src/Umbraco.Core/Models/ContentRepositoryExtensions.cs
index 31e040f2d4..8d4e962ae1 100644
--- a/src/Umbraco.Core/Models/ContentRepositoryExtensions.cs
+++ b/src/Umbraco.Core/Models/ContentRepositoryExtensions.cs
@@ -142,7 +142,15 @@ namespace Umbraco.Core.Models
             content.PublishCultureInfos.AddOrUpdate(culture, name, date);
         }
 
-        // adjust dates to sync between version, cultures etc used by the repo when persisting
+        /// <summary>
+        /// Used to synchronize all culture dates to the same date if they've been modified
+        /// </summary>
+        /// <param name="content"></param>
+        /// <param name="date"></param>
+        /// <remarks>
+        /// This is so that in an operation where (for example) 2 languages are updates like french and english, it is possible that
+        /// these dates assigned to them differ by a couple of Ticks, but we need to ensure they are persisted at the exact same time.
+        /// </remarks>
         public static void AdjustDates(this IContent content, DateTime date)
         {
             foreach (var culture in content.PublishedCultures.ToList())
@@ -150,11 +158,9 @@ namespace Umbraco.Core.Models
                 if (!content.PublishCultureInfos.TryGetValue(culture, out var publishInfos))
                     continue;
 
-                //fixme: Removing the logic here for the old WasCulturePublished and the _publishInfosOrig has broken
-                // the test Can_Rollback_Version_On_Multilingual, but we need to understand what it's doing since I don't
-
-                //fixme: Because this is being called, we end up updating a culture which triggers the dirty change tracking
-                // which ends up in error because the culture is not actually being updated which causes the tests to fail
+                if (!publishInfos.IsDirty())
+                    continue; //if it's not dirty, it means it hasn't changed so there's nothing to adjust
+                
                 content.PublishCultureInfos.AddOrUpdate(culture, publishInfos.Name, date);
 
                 if (content.CultureInfos.TryGetValue(culture, out var infos))
@@ -276,7 +282,7 @@ namespace Umbraco.Core.Models
         /// <summary>
         /// Updates a culture date, if the culture exists.
         /// </summary>
-        public static void TouchCulture(this IContent content, string culture)
+        public static void TouchCulture(this IContentBase content, string culture)
         {
             if (!content.CultureInfos.TryGetValue(culture, out var infos)) return;
             content.CultureInfos.AddOrUpdate(culture, infos.Name, DateTime.Now);
diff --git a/src/Umbraco.Tests/Services/ContentServiceEventTests.cs b/src/Umbraco.Tests/Services/ContentServiceEventTests.cs
index b4fde295a7..1547ec232a 100644
--- a/src/Umbraco.Tests/Services/ContentServiceEventTests.cs
+++ b/src/Umbraco.Tests/Services/ContentServiceEventTests.cs
@@ -64,8 +64,8 @@ namespace Umbraco.Tests.Services
 
                 Assert.AreSame(document, saved);
 
-                Assert.IsTrue(e.IsSavingCulture(saved, "fr-FR"));
-                Assert.IsFalse(e.IsSavingCulture(saved, "en-UK"));
+                Assert.IsTrue(e.IsSavingCulture(saved, "en-US"));
+                Assert.IsFalse(e.IsSavingCulture(saved, "fr-FR"));
             }
 
             void OnSaved(IContentService sender, ContentSavedEventArgs e)
@@ -74,8 +74,8 @@ namespace Umbraco.Tests.Services
 
                 Assert.AreSame(document, saved);
 
-                Assert.IsTrue(e.HasSavedCulture(saved, "fr-FR"));
-                Assert.IsFalse(e.HasSavedCulture(saved, "en-UK"));
+                Assert.IsTrue(e.HasSavedCulture(saved, "en-US"));
+                Assert.IsFalse(e.HasSavedCulture(saved, "fr-FR"));
             }
 
             ContentService.Saving += OnSaving;